From d6d3a7c84cfdb85258a39c282f3b5d12d2977bb8 Mon Sep 17 00:00:00 2001 From: Vincent Quenneville-Belair Date: Wed, 15 Jan 2020 20:12:11 -0500 Subject: [PATCH] update docs to 0.4.0 --- _modules/index.html | 81 +- _modules/torchaudio.html | 197 +- _modules/torchaudio/compliance/kaldi.html | 82 +- _modules/torchaudio/datasets/commonvoice.html | 639 + _modules/torchaudio/datasets/librispeech.html | 626 + _modules/torchaudio/datasets/vctk.html | 403 +- _modules/torchaudio/datasets/yesno.html | 280 +- _modules/torchaudio/functional.html | 1007 +- _modules/torchaudio/kaldi_io.html | 75 +- _modules/torchaudio/sox_effects.html | 97 +- _modules/torchaudio/transforms.html | 339 +- _sources/datasets.rst.txt | 20 +- _sources/functional.rst.txt | 45 + _sources/transforms.rst.txt | 51 +- _static/basic.css | 11 +- _static/css/theme.css | 11992 +++++++++++++++- _static/jquery-3.4.1.js | 10598 ++++++++++++++ _static/jquery.js | 6 +- _static/js/theme.js | 898 +- compliance.kaldi.html | 221 +- datasets.html | 194 +- functional.html | 500 +- genindex.html | 186 +- index.html | 139 +- kaldi_io.html | 87 +- objects.inv | Bin 842 -> 981 bytes py-modindex.html | 75 +- search.html | 75 +- searchindex.js | 2 +- sox_effects.html | 95 +- transforms.html | 401 +- 31 files changed, 28260 insertions(+), 1162 deletions(-) create mode 100644 _modules/torchaudio/datasets/commonvoice.html create mode 100644 _modules/torchaudio/datasets/librispeech.html create mode 100644 _static/jquery-3.4.1.js diff --git a/_modules/index.html b/_modules/index.html index 03507966d1..aea8614286 100644 --- a/_modules/index.html +++ b/_modules/index.html @@ -28,13 +28,33 @@ - + + + + + + + + + + + + + + + + + + + + +
@@ -49,11 +69,25 @@
  • - Features +
    + + Ecosystem + +
    + + Models (Beta) +

    Discover, publish, and reuse pre-trained models

    +     + + Tools & Libraries +

    Explore the ecosystem of tools and libraries

    +     +
    +
  • - Ecosystem + Mobile
  • @@ -69,7 +103,21 @@
  • - Resources +
    + + Resources + +
    + + Developer Resources +

    Find resources and get questions answered

    +     + + About +

    Learn about PyTorch’s features and capabilities

    +     +
    +
  • @@ -211,14 +259,14 @@

    All modules for which code is available

    -
    • torch._C
      • -
    • torchaudio
      • + @@ -273,8 +321,8 @@

      All modules for which code is available

      - - + + @@ -416,15 +464,23 @@

      Resources

      • - Get Started + Get Started +
        • + +
      • + Features +
        • + +
      • + Ecosystem
      • - Features + Mobile
      • - Ecosystem + PyTorch Hub
      • @@ -463,6 +519,7 @@

        Resources

        sideMenus.bind(); scrollToAnchor.bind(); highlightNavigation.bind(); + mainMenuDropdown.bind(); // Add class to links that have code blocks, since we cannot create links in code blocks $("article.pytorch-article a span.pre").each(function(e) { diff --git a/_modules/torchaudio.html b/_modules/torchaudio.html index 1d6923ec6b..6199b7b635 100644 --- a/_modules/torchaudio.html +++ b/_modules/torchaudio.html @@ -28,13 +28,33 @@ - + + + + + + + + + + + + + + + + + + + + +
        @@ -49,11 +69,25 @@
      • - Features +
        + + Ecosystem + +
        + + Models (Beta) +

        Discover, publish, and reuse pre-trained models

        +         + + Tools & Libraries +

        Explore the ecosystem of tools and libraries

        +         +
        +
      • - Ecosystem + Mobile
      • @@ -69,7 +103,21 @@
      • - Resources +
        + + Resources + +
        + + Developer Resources +

        Find resources and get questions answered

        +         + + About +

        Learn about PyTorch’s features and capabilities

        +         +
        +
      • @@ -217,17 +265,27 @@

        Source code for torchaudio

         import os.path
 
 import torch
-import _torch_sox
 
-from .version import __version__, git_version
-from torchaudio import transforms, datasets, kaldi_io, sox_effects, compliance, _docs
+from torchaudio import (
+    compliance,
+    datasets,
+    kaldi_io,
+    sox_effects,
+    transforms,
+)
 
+from torchaudio._backend import (
+    check_input,
+    _audio_backend_guard,
+    _get_audio_backend_module,
+    get_audio_backend,
+    set_audio_backend,
+)
 
-def check_input(src):
-    if not torch.is_tensor(src):
-        raise TypeError('Expected a tensor, got %s' % type(src))
-    if src.is_cuda:
-        raise TypeError('Expected a CPU based tensor, got %s' % type(src))
+try:
+    from .version import __version__, git_version  # noqa: F401
+except ImportError:
+    pass
 
 
 
        [docs]def load(filepath,
@@ -245,7 +303,7 @@ 
        Source code for torchaudio
                 filepath (str or pathlib.Path): Path to audio file
         out (torch.Tensor, optional): An output tensor to use instead of creating one. (Default: ``None``)
         normalization (bool, number, or callable, optional): If boolean `True`, then output is divided by `1 << 31`
-            (assumes signed 32-bit audio), and normalizes to `[0, 1]`.
+            (assumes signed 32-bit audio), and normalizes to `[-1, 1]`.
             If `number`, then output is divided by that number
             If `callable`, then the output is passed as a parameter
             to the given function, then the output is divided by
@@ -278,36 +336,18 @@ 
        Source code for torchaudio
                 1.
 
     """
-    # stringify if `pathlib.Path` (noop if already `str`)
-    filepath = str(filepath)
-    # check if valid file
-    if not os.path.isfile(filepath):
-        raise OSError("{} not found or is a directory".format(filepath))
-
-    # initialize output tensor
-    if out is not None:
-        check_input(out)
-    else:
-        out = torch.FloatTensor()
-
-    if num_frames < -1:
-        raise ValueError("Expected value for num_samples -1 (entire file) or >=0")
-    if offset < 0:
-        raise ValueError("Expected positive offset value")
-
-    sample_rate = _torch_sox.read_audio_file(filepath,
-                                             out,
-                                             channels_first,
-                                             num_frames,
-                                             offset,
-                                             signalinfo,
-                                             encodinginfo,
-                                             filetype)
-
-    # normalize if needed
-    _audio_normalization(out, normalization)
 
-    return out, sample_rate
        
+    return getattr(_get_audio_backend_module(), 'load')(
+        filepath,
+        out=out,
+        normalization=normalization,
+        channels_first=channels_first,
+        num_frames=num_frames,
+        offset=offset,
+        signalinfo=signalinfo,
+        encodinginfo=encodinginfo,
+        filetype=filetype,
+    )
        
 
 
 
        [docs]def load_wav(filepath, **kwargs):
@@ -339,16 +379,14 @@ 
        Source code for torchaudio
                 channels_first (bool): Set channels first or length first in result. (
             Default: ``True``)
     """
-    si = sox_signalinfo_t()
-    ch_idx = 0 if channels_first else 1
-    si.rate = sample_rate
-    si.channels = 1 if src.dim() == 1 else src.size(ch_idx)
-    si.length = src.numel()
-    si.precision = precision
-    return save_encinfo(filepath, src, channels_first, si)
        
 
+    return getattr(_get_audio_backend_module(), 'save')(
+        filepath, src, sample_rate, precision=precision, channels_first=channels_first
+    )
        
 
-
        [docs]def save_encinfo(filepath,
+
+
        [docs]@_audio_backend_guard("sox")
+def save_encinfo(filepath,
                  src,
                  channels_first=True,
                  signalinfo=None,
@@ -414,6 +452,8 @@ 
        Source code for torchaudio
                 src = src.transpose(1, 0)
     # save data to file
     src = src.contiguous()
+
+    import _torch_sox
     _torch_sox.write_audio_file(filepath, src, signalinfo, encodinginfo, filetype)
        
 
 
@@ -431,10 +471,12 @@ 
        Source code for torchaudio
                  >>> si, ei = torchaudio.info('foo.wav')
          >>> rate, channels, encoding = si.rate, si.channels, ei.encoding
      """
-    return _torch_sox.get_info(filepath)
        
 
+    return getattr(_get_audio_backend_module(), 'info')(filepath)
        
 
-
        [docs]def sox_signalinfo_t():
+
+
        [docs]@_audio_backend_guard("sox")
+def sox_signalinfo_t():
     r"""Create a sox_signalinfo_t object. This object can be used to set the sample
     rate, number of channels, length, bit precision and headroom multiplier
     primarily for effects
@@ -453,10 +495,13 @@ 
        Source code for torchaudio
                 >>> si.precision = 16
         >>> si.length = 0
     """
+
+    import _torch_sox
     return _torch_sox.sox_signalinfo_t()
        
 
 
-
        [docs]def sox_encodinginfo_t():
+
        [docs]@_audio_backend_guard("sox")
+def sox_encodinginfo_t():
     r"""Create a sox_encodinginfo_t object.  This object can be used to set the encoding
     type, bit precision, compression factor, reverse bytes, reverse nibbles,
     reverse bits and endianness.  This can be used in an effects chain to encode the
@@ -485,6 +530,8 @@ 
        Source code for torchaudio
                 >>> ei.opposite_endian = torchaudio.get_sox_bool(0)
 
     """
+
+    import _torch_sox
     ei = _torch_sox.sox_encodinginfo_t()
     sdo = get_sox_option_t(2)  # sox_default_option
     ei.reverse_bytes = sdo
@@ -493,7 +540,8 @@ 
        Source code for torchaudio
             return ei
        
 
 
-
        [docs]def get_sox_encoding_t(i=None):
+
        [docs]@_audio_backend_guard("sox")
+def get_sox_encoding_t(i=None):
     r"""Get enum of sox_encoding_t for sox encodings.
 
     Args:
@@ -503,6 +551,8 @@ 
        Source code for torchaudio
             Returns:
         sox_encoding_t: A sox_encoding_t type for output encoding
     """
+
+    import _torch_sox
     if i is None:
         # one can see all possible values using the .__members__ attribute
         return _torch_sox.sox_encoding_t
@@ -510,7 +560,8 @@ 
        Source code for torchaudio
                 return _torch_sox.sox_encoding_t(i)
        
 
 
-
        [docs]def get_sox_option_t(i=2):
+
        [docs]@_audio_backend_guard("sox")
+def get_sox_option_t(i=2):
     r"""Get enum of sox_option_t for sox encodinginfo options.
 
     Args:
@@ -520,13 +571,16 @@ 
        Source code for torchaudio
             Returns:
         sox_option_t: A sox_option_t type
     """
+
+    import _torch_sox
     if i is None:
         return _torch_sox.sox_option_t
     else:
         return _torch_sox.sox_option_t(i)
        
 
 
-
        [docs]def get_sox_bool(i=0):
+
        [docs]@_audio_backend_guard("sox")
+def get_sox_bool(i=0):
     r"""Get enum of sox_bool for sox encodinginfo options.
 
     Args:
@@ -537,24 +591,32 @@ 
        Source code for torchaudio
             Returns:
         sox_bool: A sox_bool type
     """
+
+    import _torch_sox
     if i is None:
         return _torch_sox.sox_bool
     else:
         return _torch_sox.sox_bool(i)
        
 
 
-
        [docs]def initialize_sox():
+
        [docs]@_audio_backend_guard("sox")
+def initialize_sox():
     """Initialize sox for use with effects chains.  This is not required for simple
     loading.  Importantly, only run `initialize_sox` once and do not shutdown
     after each effect chain, but rather once you are finished with all effects chains.
     """
+
+    import _torch_sox
     return _torch_sox.initialize_sox()
        
 
 
-
        [docs]def shutdown_sox():
+
        [docs]@_audio_backend_guard("sox")
+def shutdown_sox():
     """Showdown sox for effects chain.  Not required for simple loading.  Importantly,
     only call once.  Attempting to re-initialize sox will result in seg faults.
     """
+
+    import _torch_sox
     return _torch_sox.shutdown_sox()
        
 
 
@@ -629,8 +691,8 @@ 
        Source code for torchaudio
                  
          
          
-         
-         
+         
+         
          
      
 
@@ -772,15 +834,23 @@ 
        Resources
        
       
        
         
          
           
        • 
-            Get Started
+            Get Started
+          
          • 
+
+          
        • 
+            Features
+          
          • 
+
+          
        • 
+            Ecosystem
           
          • 
 
           
        • 
-            Features
+            Mobile
           
          • 
 
           
        • 
-            Ecosystem
+            PyTorch Hub
           
          • 
 
           
        • 
@@ -819,6 +889,7 @@ 
          Resources
          
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/_modules/torchaudio/compliance/kaldi.html b/_modules/torchaudio/compliance/kaldi.html
index 41051037e8..d01a9e8726 100644
--- a/_modules/torchaudio/compliance/kaldi.html
+++ b/_modules/torchaudio/compliance/kaldi.html
@@ -28,13 +28,33 @@
   
   
   
-  
+  
   
     
      
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
          
@@ -49,11 +69,25 @@
           
          • 
 
           
        • 
-            Features
+            
          
+              
+                Ecosystem
+              
+              
          
+                
+                  Models (Beta)
+                  
          Discover, publish, and reuse pre-trained models
          
+                          
+                
+                  Tools & Libraries
+                  
          Explore the ecosystem of tools and libraries
          
+                          
+              
          
+            
          
           
          • 
 
           
        • 
-            Ecosystem
+            Mobile
           
          • 
 
           
        • 
@@ -69,7 +103,21 @@
           
          • 
 
           
        • 
-            Resources
+            
          
+              
+                Resources
+              
+              
          
+                
+                  Developer Resources
+                  
          Find resources and get questions answered
          
+                          
+                
+                  About
+                  
          Learn about PyTorch’s features and capabilities
          
+                          
+              
          
+            
          
           
          • 
 
           
        • 
@@ -1031,6 +1079,7 @@ 
          Source code for torchaudio.compliance.kaldi
               window_width = lowpass_filter_width / (2.0 * lowpass_cutoff)
     first_indices, weights = _get_LR_indices_and_weights(orig_freq, new_freq, output_samples_in_unit,
                                                          window_width, lowpass_cutoff, lowpass_filter_width)
+    weights = weights.to(waveform.device)  # TODO Create weights on device directly
 
     assert first_indices.dim() == 1
     # TODO figure a better way to do this. conv1d reaches every element i*stride + padding
@@ -1042,8 +1091,10 @@ 
          Source code for torchaudio.compliance.kaldi
               num_channels, wave_len = waveform.size()
     window_size = weights.size(1)
     tot_output_samp = _get_num_LR_output_samples(wave_len, orig_freq, new_freq)
-    output = torch.zeros((num_channels, tot_output_samp))
-    eye = torch.eye(num_channels).unsqueeze(2)  # size (num_channels, num_channels, 1)
+    output = torch.zeros((num_channels, tot_output_samp),
+                         device=waveform.device)
+    # eye size: (num_channels, num_channels, 1)
+    eye = torch.eye(num_channels, device=waveform.device).unsqueeze(2)
     for i in range(first_indices.size(0)):
         wave_to_conv = waveform
         first_index = int(first_indices[i].item())
@@ -1132,8 +1183,8 @@ 
          Source code for torchaudio.compliance.kaldi
                    
          
          
-         
-         
+         
+         
          
      
 
@@ -1275,15 +1326,23 @@ 
          Resources
          
       
          
         
            
           
          • 
-            Get Started
+            Get Started
+          
            • 
+
+          
          • 
+            Features
+          
            • 
+
+          
          • 
+            Ecosystem
           
            • 
 
           
          • 
-            Features
+            Mobile
           
            • 
 
           
          • 
-            Ecosystem
+            PyTorch Hub
           
            • 
 
           
          • 
@@ -1322,6 +1381,7 @@ 
            Resources
            
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/_modules/torchaudio/datasets/commonvoice.html b/_modules/torchaudio/datasets/commonvoice.html
new file mode 100644
index 0000000000..5bff94c2ef
--- /dev/null
+++ b/_modules/torchaudio/datasets/commonvoice.html
@@ -0,0 +1,639 @@
+
+
+
+
+
+  
+
+  
+  
+  
+  
+  torchaudio.datasets.commonvoice — Torchaudio master documentation
+  
+
+  
+  
+  
+  
+
+  
+
+  
+  
+    
+
+  
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+  
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+     
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+
+   
+
+    
+
+    
            
+      Table of Contents
+      
+    
            
+
+    
+
+    
            
+      
            
+        
            
+          
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
            
+
+  
+
+  
+
            
+        
            
+
+        
            
+          Shortcuts
+        
            
+      
            
+
+      
            
+        
            
+
+        
+          
+          
            
+          
+            
            
+             
            
+              
+  
            Source code for torchaudio.datasets.commonvoice
            +import os
+
+from torch.utils.data import Dataset
+
+import torchaudio
+from torchaudio.datasets.utils import download_url, extract_archive, unicode_csv_reader
+
+# Default TSV should be one of
+# dev.tsv
+# invalidated.tsv
+# other.tsv
+# test.tsv
+# train.tsv
+# validated.tsv
+
+URL = "english"
+TSV = "train.tsv"
+
+
+def load_commonvoice_item(line, header, path, folder_audio):
+    # Each line as the following data:
+    # client_id, path, sentence, up_votes, down_votes, age, gender, accent
+
+    assert header[1] == "path"
+    fileid = line[1]
+
+    filename = os.path.join(path, folder_audio, fileid)
+
+    waveform, sample_rate = torchaudio.load(filename)
+
+    dic = dict(zip(header, line))
+
+    return waveform, sample_rate, dic
+
+
+
            [docs]class COMMONVOICE(Dataset):
+    """
+    Create a Dataset for CommonVoice. Each item is a tuple of the form:
+    (waveform, sample_rate, dictionary)
+    where dictionary is a dictionary built from the tsv file with the following keys:
+    client_id, path, sentence, up_votes, down_votes, age, gender, accent.
+    """
+
+    _ext_txt = ".txt"
+    _ext_audio = ".mp3"
+    _folder_audio = "clips"
+
+    def __init__(self, root, tsv=TSV, url=URL, download=False):
+
+        languages = {
+            "tatar": "tt",
+            "english": "en",
+            "german": "de",
+            "french": "fr",
+            "welsh": "cy",
+            "breton": "br",
+            "chuvash": "cv",
+            "turkish": "tr",
+            "kyrgyz": "ky",
+            "irish": "ga-IE",
+            "kabyle": "kab",
+            "catalan": "ca",
+            "taiwanese": "zh-TW",
+            "slovenian": "sl",
+            "italian": "it",
+            "dutch": "nl",
+            "hakha chin": "cnh",
+            "esperanto": "eo",
+            "estonian": "et",
+            "persian": "fa",
+            "basque": "eu",
+            "spanish": "es",
+            "chinese": "zh-CN",
+            "mongolian": "mn",
+            "sakha": "sah",
+            "dhivehi": "dv",
+            "kinyarwanda": "rw",
+            "swedish": "sv-SE",
+            "russian": "ru",
+        }
+
+        if url is languages:
+            ext_archive = ".tar.gz"
+            language = languages[url]
+
+            base_url = (
+                "https://voice-prod-bundler-ee1969a6ce8178826482b88e843c335139bd3fb4"
+                + ".s3.amazonaws.com/cv-corpus-3/"
+            )
+            url = base_url + language + ext_archive
+
+        archive = os.path.basename(url)
+        archive = os.path.join(root, archive)
+        self._path = root
+
+        if download:
+            if not os.path.isdir(self._path):
+                if not os.path.isfile(archive):
+                    download_url(url, root)
+                extract_archive(archive)
+
+        self._tsv = os.path.join(root, tsv)
+
+        with open(self._tsv, "r") as tsv:
+            walker = unicode_csv_reader(tsv, delimiter="\t")
+            self._header = next(walker)
+            self._walker = list(walker)
+
+    def __getitem__(self, n):
+        line = self._walker[n]
+        return load_commonvoice_item(line, self._header, self._path, self._folder_audio)
+
+    def __len__(self):
+        return len(self._walker)
            
+
            
+
+             
            
+             
+            
            
+            
            
+  
+
+  
+
+    
            
+
+  
+
+  
            
+    
            
+        © Copyright 2018, Torchaudio Contributors.
+
+    
            
+  
            
+    
+      
            
+        Built with Sphinx using a theme provided by Read the Docs.
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+     
+       
+         
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diff --git a/_modules/torchaudio/datasets/librispeech.html b/_modules/torchaudio/datasets/librispeech.html
new file mode 100644
index 0000000000..75c59882bc
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+++ b/_modules/torchaudio/datasets/librispeech.html
@@ -0,0 +1,626 @@
+
+
+
+
+
+  
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+  
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+  
+  
+  torchaudio.datasets.librispeech — Torchaudio master documentation
+  
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+   
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+    
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+    
            
+      Table of Contents
+      
+    
            
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+    
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+    
            
+      
            
+        
            
+          
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+
            
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+
            
+        
            
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+        
            
+          Shortcuts
+        
            
+      
            
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+      
            
+        
            
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+        
+          
+          
            
+          
+            
            
+             
            
+              
+  
            Source code for torchaudio.datasets.librispeech
            +import os
+
+import torchaudio
+from torch.utils.data import Dataset
+from torchaudio.datasets.utils import (
+    download_url,
+    extract_archive,
+    unicode_csv_reader,
+    walk_files,
+)
+
+URL = "train-clean-100"
+FOLDER_IN_ARCHIVE = "LibriSpeech"
+
+
+def load_librispeech_item(fileid, path, ext_audio, ext_txt):
+
+    speaker_id, chapter_id, utterance_id = fileid.split("-")
+
+    file_text = speaker_id + "-" + chapter_id + ext_txt
+    file_text = os.path.join(path, speaker_id, chapter_id, file_text)
+
+    fileid_audio = speaker_id + "-" + chapter_id + "-" + utterance_id
+    file_audio = fileid_audio + ext_audio
+    file_audio = os.path.join(path, speaker_id, chapter_id, file_audio)
+
+    # Load audio
+    waveform, sample_rate = torchaudio.load(file_audio)
+
+    # Load text
+    with open(file_text) as ft:
+        for line in ft:
+            fileid_text, utterance = line.strip().split(" ", 1)
+            if fileid_audio == fileid_text:
+                break
+        else:
+            # Translation not found
+            raise FileNotFoundError("Translation not found for " + fileid_audio)
+
+    return (
+        waveform,
+        sample_rate,
+        utterance,
+        int(speaker_id),
+        int(chapter_id),
+        int(utterance_id),
+    )
+
+
+
            [docs]class LIBRISPEECH(Dataset):
+    """
+    Create a Dataset for LibriSpeech. Each item is a tuple of the form:
+    waveform, sample_rate, utterance, speaker_id, chapter_id, utterance_id
+    """
+
+    _ext_txt = ".trans.txt"
+    _ext_audio = ".flac"
+
+    def __init__(
+        self, root, url=URL, folder_in_archive=FOLDER_IN_ARCHIVE, download=False
+    ):
+
+        if url in [
+            "dev-clean",
+            "test-clean",
+            "test-other",
+            "train-clean-100",
+            "train-clean-360",
+            "train-other-500",
+        ]:
+
+            ext_archive = ".tar.gz"
+            base_url = "http://www.openslr.org/resources/12/"
+
+            url = os.path.join(base_url, url + ext_archive)
+
+        basename = os.path.basename(url)
+        archive = os.path.join(root, basename)
+
+        basename = basename.split(".")[0]
+        folder_in_archive = os.path.join(folder_in_archive, basename)
+
+        self._path = os.path.join(root, folder_in_archive)
+
+        if download:
+            if not os.path.isdir(self._path):
+                if not os.path.isfile(archive):
+                    download_url(url, root)
+                extract_archive(archive)
+
+        walker = walk_files(
+            self._path, suffix=self._ext_audio, prefix=False, remove_suffix=True
+        )
+        self._walker = list(walker)
+
+    def __getitem__(self, n):
+        fileid = self._walker[n]
+        return load_librispeech_item(fileid, self._path, self._ext_audio, self._ext_txt)
+
+    def __len__(self):
+        return len(self._walker)
            
+
            
+
+             
            
+             
+            
            
+            
            
+  
+
+  
+
+    
            
+
+  
+
+  
            
+    
            
+        © Copyright 2018, Torchaudio Contributors.
+
+    
            
+  
            
+    
+      
            
+        Built with Sphinx using a theme provided by Read the Docs.
+      
            
+     
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+
            
+
+          
            
+        
            
+
+        
            
+          
            
+            
            
+              
+            
            
+          
            
+        
            
+      
            
+    
            
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+  
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+     
+       
+         
+         
+         
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+         
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+  
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+  
+  
+  
+
+   
+
+  
+
+  
            
+    
            
+      
            
+        
            
+          
            Docs
            
+          
            Access comprehensive developer documentation for PyTorch
            
+          View Docs
+        
            
+
+        
            
+          
            Tutorials
            
+          
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+          View Tutorials
+        
            
+
+        
            
+          
            Resources
            
+          
            Find development resources and get your questions answered
            
+          View Resources
+        
            
+      
            
+    
            
+  
            
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+
+  
            
+  
            
+    
            To analyze traffic and optimize your experience, we serve cookies on this site. By clicking or navigating, you agree to allow our usage of cookies. As the current maintainers of this site, Facebook’s Cookies Policy applies. Learn more, including about available controls: Cookies Policy.
            
+    
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+    
            
+      
            
+        
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diff --git a/_modules/torchaudio/datasets/vctk.html b/_modules/torchaudio/datasets/vctk.html
index 147c4bb4cf..2d28c85878 100644
--- a/_modules/torchaudio/datasets/vctk.html
+++ b/_modules/torchaudio/datasets/vctk.html
@@ -28,13 +28,33 @@
   
   
   
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+  
   
     
      
 
   
   
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+  
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+
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+
+
+
 
 
 
            
@@ -49,11 +69,25 @@
           
            • 
 
           
          • 
-            Features
+            
            
+              
+                Ecosystem
+              
+              
            
+                
+                  Models (Beta)
+                  
            Discover, publish, and reuse pre-trained models
            
+                            
+                
+                  Tools & Libraries
+                  
            Explore the ecosystem of tools and libraries
            
+                            
+              
            
+            
            
           
            • 
 
           
          • 
-            Ecosystem
+            Mobile
           
            • 
 
           
          • 
@@ -69,7 +103,21 @@
           
            • 
 
           
          • 
-            Resources
+            
            
+              
+                Resources
+              
+              
            
+                
+                  Developer Resources
+                  
            Find resources and get questions answered
            
+                            
+                
+                  About
+                  
            Learn about PyTorch’s features and capabilities
            
+                            
+              
            
+            
            
           
            • 
 
           
          • 
@@ -215,250 +263,128 @@
              
            
               
   
            Source code for torchaudio.datasets.vctk
            -from __future__ import absolute_import, division, print_function, unicode_literals
-import torch.utils.data as data
-import os
-import os.path
-import shutil
-import errno
-import torch
-import torchaudio
+import os
+import warnings
 
-AUDIO_EXTENSIONS = [
-    '.wav', '.mp3', '.flac', '.sph', '.ogg', '.opus',
-    '.WAV', '.MP3', '.FLAC', '.SPH', '.OGG', '.OPUS',
-]
-
-
-def is_audio_file(filename):
-    return any(filename.endswith(extension) for extension in AUDIO_EXTENSIONS)
+import torchaudio
+from torch.utils.data import Dataset
+from torchaudio.datasets.utils import download_url, extract_archive, walk_files
 
+URL = "http://homepages.inf.ed.ac.uk/jyamagis/release/VCTK-Corpus.tar.gz"
+FOLDER_IN_ARCHIVE = "VCTK-Corpus"
 
-def make_manifest(dir):
-    audios = []
-    dir = os.path.expanduser(dir)
-    for target in sorted(os.listdir(dir)):
-        d = os.path.join(dir, target)
-        if not os.path.isdir(d):
-            continue
 
-        for root, _, fnames in sorted(os.walk(d)):
-            for fname in fnames:
-                if is_audio_file(fname):
-                    path = os.path.join(root, fname)
-                    item = path
-                    audios.append(item)
-    return audios
+def load_vctk_item(
+    fileid, path, ext_audio, ext_txt, folder_audio, folder_txt, downsample=False
+):
+    speaker_id, utterance_id = fileid.split("_")
 
+    # Read text
+    file_txt = os.path.join(path, folder_txt, speaker_id, fileid + ext_txt)
+    with open(file_txt) as file_text:
+        utterance = file_text.readlines()[0]
 
-def read_audio(fp, downsample=True):
+    # Read wav
+    file_audio = os.path.join(path, folder_audio, speaker_id, fileid + ext_audio)
+    waveform, sample_rate = torchaudio.load(file_audio)
     if downsample:
-        E = torchaudio.sox_effects.SoxEffectsChain()
-        E.set_input_file(fp)
-        E.append_effect_to_chain("gain", ["-h"])
-        E.append_effect_to_chain("channels", [1])
-        E.append_effect_to_chain("rate", [16000])
-        E.append_effect_to_chain("gain", ["-rh"])
-        E.append_effect_to_chain("dither", ["-s"])
-        sig, sr = E.sox_build_flow_effects()
-    else:
-        sig, sr = torchaudio.load(fp)
-    sig = sig.contiguous()
-    return sig, sr
-
-
-def load_txts(dir):
-    """Create a dictionary with all the text of the audio transcriptions."""
-    utterences = dict()
-    txts = []
-    dir = os.path.expanduser(dir)
-    for target in sorted(os.listdir(dir)):
-        d = os.path.join(dir, target)
-        if not os.path.isdir(d):
-            continue
-
-        for root, _, fnames in sorted(os.walk(d)):
-            for fname in fnames:
-                if fname.endswith(".txt"):
-                    with open(os.path.join(root, fname), "r") as f:
-                        fname_no_ext = os.path.basename(
-                            fname).rsplit(".", 1)[0]
-                        utterences[fname_no_ext] = f.readline()
-    return utterences
-
-
-
            [docs]class VCTK(data.Dataset):
-    r"""`VCTK <http://homepages.inf.ed.ac.uk/jyamagis/page3/page58/page58.html>`_ Dataset.
-    `alternate url <http://datashare.is.ed.ac.uk/handle/10283/2651>`_
-
-    Args:
-        root (str): Root directory of dataset where ``processed/training.pt``
-            and  ``processed/test.pt`` exist.
-        downsample (bool, optional): Whether to downsample the signal (Default: ``True``)
-        transform (Callable, optional): A function/transform that takes in an raw audio
-            and returns a transformed version. E.g, ``transforms.Spectrogram``. (Default: ``None``)
-        target_transform (callable, optional): A function/transform that takes in the
-            target and transforms it. (Default: ``None``)
-        download (bool, optional): If true, downloads the dataset from the internet and
-            puts it in root directory. If dataset is already downloaded, it is not
-            downloaded again. (Default: ``True``)
-        dev_mode(bool, optional): If true, clean up is not performed on downloaded
-            files.  Useful to keep raw audio and transcriptions. (Default: ``False``)
+        # TODO Remove this parameter after deprecation
+        F = torchaudio.functional
+        T = torchaudio.transforms
+        # rate
+        sample = T.Resample(sample_rate, 16000, resampling_method='sinc_interpolation')
+        waveform = sample(waveform)
+        # dither
+        waveform = F.dither(waveform, noise_shaping=True)
+
+    return waveform, sample_rate, utterance, speaker_id, utterance_id
+
+
+
            [docs]class VCTK(Dataset):
+    """
+    Create a Dataset for VCTK. Each item is a tuple of the form:
+    (waveform, sample_rate, utterance, speaker_id, utterance_id)
     """
-    raw_folder = 'vctk/raw'
-    processed_folder = 'vctk/processed'
-    url = 'http://homepages.inf.ed.ac.uk/jyamagis/release/VCTK-Corpus.tar.gz'
-    dset_path = 'VCTK-Corpus'
 
-    def __init__(self, root, downsample=True, transform=None, target_transform=None, download=False, dev_mode=False):
-        self.root = os.path.expanduser(root)
+    _folder_txt = "txt"
+    _folder_audio = "wav48"
+    _ext_txt = ".txt"
+    _ext_audio = ".wav"
+
+    def __init__(
+        self,
+        root,
+        url=URL,
+        folder_in_archive=FOLDER_IN_ARCHIVE,
+        download=False,
+        downsample=False,
+        transform=None,
+        target_transform=None,
+    ):
+
+        if downsample:
+            warnings.warn(
+                "In the next version, transforms will not be part of the dataset. "
+                "Please use `downsample=False` to enable this behavior now, ",
+                "and suppress this warning.",
+                DeprecationWarning,
+            )
+
+        if transform is not None or target_transform is not None:
+            warnings.warn(
+                "In the next version, transforms will not be part of the dataset. "
+                "Please remove the option `transform=True` and "
+                "`target_transform=True` to suppress this warning.",
+                DeprecationWarning,
+            )
+
         self.downsample = downsample
         self.transform = transform
         self.target_transform = target_transform
-        self.dev_mode = dev_mode
-        self.data = []
-        self.labels = []
-        self.chunk_size = 1000
-        self.num_samples = 0
-        self.max_len = 0
-        self.cached_pt = 0
+
+        archive = os.path.basename(url)
+        archive = os.path.join(root, archive)
+        self._path = os.path.join(root, folder_in_archive)
 
         if download:
-            self.download()
-
-        if not self._check_exists():
-            raise RuntimeError('Dataset not found.' +
-                               ' You can use download=True to download it')
-        self._read_info()
-        self.data, self.labels = torch.load(os.path.join(
-            self.root, self.processed_folder, "vctk_{:04d}.pt".format(self.cached_pt)))
-
-
            [docs]    def __getitem__(self, index):
-        """
-        Args:
-            index (int): Index
-
-        Returns:
-            Tuple[torch.Tensor, int]: The output tuple (image, target) where target
-            is index of the target class.
-        """
-        if self.cached_pt != index // self.chunk_size:
-            self.cached_pt = int(index // self.chunk_size)
-            self.data, self.labels = torch.load(os.path.join(
-                self.root, self.processed_folder, "vctk_{:04d}.pt".format(self.cached_pt)))
-        index = index % self.chunk_size
-        audio, target = self.data[index], self.labels[index]
+            if not os.path.isdir(self._path):
+                if not os.path.isfile(archive):
+                    download_url(url, root)
+                extract_archive(archive)
+
+        if not os.path.isdir(self._path):
+            raise RuntimeError(
+                "Dataset not found. Please use `download=True` to download it."
+            )
 
-        if self.transform is not None:
-            audio = self.transform(audio)
+        walker = walk_files(
+            self._path, suffix=self._ext_audio, prefix=False, remove_suffix=True
+        )
+        self._walker = list(walker)
+
+    def __getitem__(self, n):
+        fileid = self._walker[n]
+        item = load_vctk_item(
+            fileid,
+            self._path,
+            self._ext_audio,
+            self._ext_txt,
+            self._folder_audio,
+            self._folder_txt,
+        )
 
-        if self.target_transform is not None:
-            target = self.target_transform(target)
+        # TODO Upon deprecation, uncomment line below and remove following code
+        # return item
 
-        return audio, target
            
+        waveform, sample_rate, utterance, speaker_id, utterance_id = item
+        if self.transform is not None:
+            waveform = self.transform(waveform)
+        if self.target_transform is not None:
+            utterance = self.target_transform(utterance)
+        return waveform, sample_rate, utterance, speaker_id, utterance_id
 
     def __len__(self):
-        return self.num_samples
-
-    def _check_exists(self):
-        return os.path.exists(os.path.join(self.root, self.processed_folder, "vctk_info.txt"))
-
-    def _write_info(self, num_items):
-        info_path = os.path.join(
-            self.root, self.processed_folder, "vctk_info.txt")
-        with open(info_path, "w") as f:
-            f.write("num_samples,{}\n".format(num_items))
-            f.write("max_len,{}\n".format(self.max_len))
-
-    def _read_info(self):
-        info_path = os.path.join(
-            self.root, self.processed_folder, "vctk_info.txt")
-        with open(info_path, "r") as f:
-            self.num_samples = int(f.readline().split(",")[1])
-            self.max_len = int(f.readline().split(",")[1])
-
-    def download(self):
-        """Download the VCTK data if it doesn't exist in processed_folder already."""
-        from six.moves import urllib
-        import tarfile
-
-        if self._check_exists():
-            return
-
-        raw_abs_dir = os.path.join(self.root, self.raw_folder)
-        processed_abs_dir = os.path.join(self.root, self.processed_folder)
-        dset_abs_path = os.path.join(
-            self.root, self.raw_folder, self.dset_path)
-
-        # download files
-        try:
-            os.makedirs(os.path.join(self.root, self.processed_folder))
-            os.makedirs(os.path.join(self.root, self.raw_folder))
-        except OSError as e:
-            if e.errno == errno.EEXIST:
-                pass
-            else:
-                raise
-
-        url = self.url
-        print('Downloading ' + url)
-        filename = url.rpartition('/')[2]
-        file_path = os.path.join(self.root, self.raw_folder, filename)
-        if not os.path.isfile(file_path):
-            urllib.request.urlretrieve(url, file_path)
-        if not os.path.exists(dset_abs_path):
-            with tarfile.open(file_path) as zip_f:
-                zip_f.extractall(raw_abs_dir)
-        else:
-            print("Using existing raw folder")
-        if not self.dev_mode:
-            os.unlink(file_path)
-
-        # process and save as torch files
-        torchaudio.initialize_sox()
-        print('Processing...')
-        shutil.copyfile(
-            os.path.join(dset_abs_path, "COPYING"),
-            os.path.join(processed_abs_dir, "VCTK_COPYING")
-        )
-        audios = make_manifest(dset_abs_path)
-        utterences = load_txts(dset_abs_path)
-        self.max_len = 0
-        print("Found {} audio files and {} utterences".format(
-            len(audios), len(utterences)))
-        for n in range(len(audios) // self.chunk_size + 1):
-            tensors = []
-            labels = []
-            lengths = []
-            st_idx = n * self.chunk_size
-            end_idx = st_idx + self.chunk_size
-            for i, f in enumerate(audios[st_idx:end_idx]):
-                txt_dir = os.path.dirname(f).replace("wav48", "txt")
-                if os.path.exists(txt_dir):
-                    f_rel_no_ext = os.path.basename(f).rsplit(".", 1)[0]
-                    sig = read_audio(f, downsample=self.downsample)[0]
-                    tensors.append(sig)
-                    lengths.append(sig.size(1))
-                    labels.append(utterences[f_rel_no_ext])
-                    self.max_len = sig.size(1) if sig.size(
-                        1) > self.max_len else self.max_len
-            # sort sigs/labels: longest -> shortest
-            tensors, labels = zip(*[(b, c) for (a, b, c) in sorted(
-                zip(lengths, tensors, labels), key=lambda x: x[0], reverse=True)])
-            data = (tensors, labels)
-            torch.save(
-                data,
-                os.path.join(
-                    self.root,
-                    self.processed_folder,
-                    "vctk_{:04d}.pt".format(n)
-                )
-            )
-        self._write_info((n * self.chunk_size) + i + 1)
-        if not self.dev_mode:
-            shutil.rmtree(raw_abs_dir, ignore_errors=True)
-        torchaudio.shutdown_sox()
-        print('Done!')
            
+        return len(self._walker)
            
 
            
 
              
            
@@ -511,8 +437,8 @@ 
            Source code for torchaudio.datasets.vctk
                      
          
          
-         
-         
+         
+         
          
      
 
@@ -654,15 +580,23 @@ 
            Resources
            
       
            
         
              
           
            • 
-            Get Started
+            Get Started
+          
              • 
+
+          
            • 
+            Features
+          
              • 
+
+          
            • 
+            Ecosystem
           
              • 
 
           
            • 
-            Features
+            Mobile
           
              • 
 
           
            • 
-            Ecosystem
+            PyTorch Hub
           
              • 
 
           
            • 
@@ -701,6 +635,7 @@ 
              Resources
              
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/_modules/torchaudio/datasets/yesno.html b/_modules/torchaudio/datasets/yesno.html
index e773982335..3c2e8fb13e 100644
--- a/_modules/torchaudio/datasets/yesno.html
+++ b/_modules/torchaudio/datasets/yesno.html
@@ -28,13 +28,33 @@
   
   
   
-  
+  
   
     
      
 
   
   
+
+  
+
+
+
+
+
+
+
+
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+
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+
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+
+
+
+
+
 
 
 
              
@@ -49,11 +69,25 @@
           
              • 
 
           
            • 
-            Features
+            
              
+              
+                Ecosystem
+              
+              
              
+                
+                  Models (Beta)
+                  
              Discover, publish, and reuse pre-trained models
              
+                              
+                
+                  Tools & Libraries
+                  
              Explore the ecosystem of tools and libraries
              
+                              
+              
              
+            
              
           
              • 
 
           
            • 
-            Ecosystem
+            Mobile
           
              • 
 
           
            • 
@@ -69,7 +103,21 @@
           
              • 
 
           
            • 
-            Resources
+            
              
+              
+                Resources
+              
+              
              
+                
+                  Developer Resources
+                  
              Find resources and get questions answered
              
+                              
+                
+                  About
+                  
              Learn about PyTorch’s features and capabilities
              
+                              
+              
              
+            
              
           
              • 
 
           
            • 
@@ -215,156 +263,93 @@
              
              
               
   
              Source code for torchaudio.datasets.yesno
              -from __future__ import absolute_import, division, print_function, unicode_literals
-import torch.utils.data as data
-import os
-import os.path
-import shutil
-import errno
-import torch
+import os
+import warnings
+
 import torchaudio
+from torch.utils.data import Dataset
+from torchaudio.datasets.utils import download_url, extract_archive, walk_files
 
+URL = "http://www.openslr.org/resources/1/waves_yesno.tar.gz"
+FOLDER_IN_ARCHIVE = "waves_yesno"
 
-
              [docs]class YESNO(data.Dataset):
-    r"""`YesNo Hebrew <http://www.openslr.org/1/>`_ Dataset.
-
-    Args:
-        root (str): Root directory of dataset where ``processed/training.pt``
-            and  ``processed/test.pt`` exist.
-        transform (Callable, optional): A function/transform that takes in an PIL image
-            and returns a transformed version. E.g, ``transforms.Spectrogram``. (
-            Default: ``None``)
-        target_transform (Callable, optional): A function/transform that takes in the
-            target and transforms it. (Default: ``None``)
-        download (bool, optional): If true, downloads the dataset from the internet and
-            puts it in root directory. If dataset is already downloaded, it is not
-            downloaded again. (Default: ``False``)
-        dev_mode(bool, optional): If true, clean up is not performed on downloaded
-            files.  Useful to keep raw audio and transcriptions. (Default: ``False``)
+
+def load_yesno_item(fileid, path, ext_audio):
+    # Read label
+    labels = [int(c) for c in fileid.split("_")]
+
+    # Read wav
+    file_audio = os.path.join(path, fileid + ext_audio)
+    waveform, sample_rate = torchaudio.load(file_audio)
+
+    return waveform, sample_rate, labels
+
+
+
              [docs]class YESNO(Dataset):
+    """
+    Create a Dataset for YesNo. Each item is a tuple of the form:
+    (waveform, sample_rate, labels)
     """
-    raw_folder = 'yesno/raw'
-    processed_folder = 'yesno/processed'
-    url = 'http://www.openslr.org/resources/1/waves_yesno.tar.gz'
-    dset_path = 'waves_yesno'
-    processed_file = 'yesno.pt'
-
-    def __init__(self, root, transform=None, target_transform=None, download=False, dev_mode=False):
-        self.root = os.path.expanduser(root)
+
+    _ext_audio = ".wav"
+
+    def __init__(
+        self,
+        root,
+        url=URL,
+        folder_in_archive=FOLDER_IN_ARCHIVE,
+        download=False,
+        transform=None,
+        target_transform=None,
+    ):
+
+        if transform is not None or target_transform is not None:
+            warnings.warn(
+                "In the next version, transforms will not be part of the dataset. "
+                "Please remove the option `transform=True` and "
+                "`target_transform=True` to suppress this warning.",
+                DeprecationWarning,
+            )
+
         self.transform = transform
         self.target_transform = target_transform
-        self.dev_mode = dev_mode
-        self.data = []
-        self.labels = []
-        self.num_samples = 0
-        self.max_len = 0
+
+        archive = os.path.basename(url)
+        archive = os.path.join(root, archive)
+        self._path = os.path.join(root, folder_in_archive)
 
         if download:
-            self.download()
+            if not os.path.isdir(self._path):
+                if not os.path.isfile(archive):
+                    download_url(url, root)
+                extract_archive(archive)
+
+        if not os.path.isdir(self._path):
+            raise RuntimeError(
+                "Dataset not found. Please use `download=True` to download it."
+            )
 
-        if not self._check_exists():
-            raise RuntimeError('Dataset not found.' +
-                               ' You can use download=True to download it')
-        self.data, self.labels = torch.load(os.path.join(
-            self.root, self.processed_folder, self.processed_file))
+        walker = walk_files(
+            self._path, suffix=self._ext_audio, prefix=False, remove_suffix=True
+        )
+        self._walker = list(walker)
 
-
              [docs]    def __getitem__(self, index):
-        """
-        Args:
-            index (int): Index
+    def __getitem__(self, n):
+        fileid = self._walker[n]
+        item = load_yesno_item(fileid, self._path, self._ext_audio)
 
-        Returns:
-            Tuple[torch.Tensor, int]: The output tuple (image, target) where target
-            is index of the target class.
-        """
-        audio, target = self.data[index], self.labels[index]
+        # TODO Upon deprecation, uncomment line below and remove following code
+        # return item
 
+        waveform, sample_rate, labels = item
         if self.transform is not None:
-            audio = self.transform(audio)
-
+            waveform = self.transform(waveform)
         if self.target_transform is not None:
-            target = self.target_transform(target)
-
-        return audio, target
              
+            labels = self.target_transform(labels)
+        return waveform, sample_rate, labels
 
     def __len__(self):
-        return len(self.data)
-
-    def _check_exists(self):
-        return os.path.exists(os.path.join(self.root, self.processed_folder, self.processed_file))
-
-    def download(self):
-        """Download the yesno data if it doesn't exist in processed_folder already."""
-        from six.moves import urllib
-        import tarfile
-
-        if self._check_exists():
-            return
-
-        raw_abs_dir = os.path.join(self.root, self.raw_folder)
-        processed_abs_dir = os.path.join(self.root, self.processed_folder)
-        dset_abs_path = os.path.join(
-            self.root, self.raw_folder, self.dset_path)
-
-        # download files
-        try:
-            os.makedirs(os.path.join(self.root, self.raw_folder))
-            os.makedirs(os.path.join(self.root, self.processed_folder))
-        except OSError as e:
-            if e.errno == errno.EEXIST:
-                pass
-            else:
-                raise
-
-        url = self.url
-        print('Downloading ' + url)
-        filename = url.rpartition('/')[2]
-        file_path = os.path.join(self.root, self.raw_folder, filename)
-        if not os.path.isfile(file_path):
-            urllib.request.urlretrieve(url, file_path)
-        else:
-            print("Tar file already downloaded")
-        if not os.path.exists(dset_abs_path):
-            with tarfile.open(file_path) as zip_f:
-                zip_f.extractall(raw_abs_dir)
-        else:
-            print("Tar file already extracted")
-
-        if not self.dev_mode:
-            os.unlink(file_path)
-
-        # process and save as torch files
-        print('Processing...')
-        shutil.copyfile(
-            os.path.join(dset_abs_path, "README"),
-            os.path.join(processed_abs_dir, "YESNO_README")
-        )
-        audios = [x for x in os.listdir(dset_abs_path) if ".wav" in x]
-        print("Found {} audio files".format(len(audios)))
-        tensors = []
-        labels = []
-        lengths = []
-        for i, f in enumerate(audios):
-            full_path = os.path.join(dset_abs_path, f)
-            sig, sr = torchaudio.load(full_path)
-            tensors.append(sig)
-            lengths.append(sig.size(1))
-            labels.append(os.path.basename(f).split(".", 1)[0].split("_"))
-        # sort sigs/labels: longest -> shortest
-        tensors, labels = zip(*[(b, c) for (a, b, c) in sorted(
-            zip(lengths, tensors, labels), key=lambda x: x[0], reverse=True)])
-        self.max_len = tensors[0].size(1)
-        torch.save(
-            (tensors, labels),
-            os.path.join(
-                self.root,
-                self.processed_folder,
-                self.processed_file
-            )
-        )
-        if not self.dev_mode:
-            shutil.rmtree(raw_abs_dir, ignore_errors=True)
-
-        print('Done!')
              
+        return len(self._walker)
              
 
              
 
              
              
@@ -417,8 +402,8 @@ 
              Source code for torchaudio.datasets.yesno
                        
          
          
-         
-         
+         
+         
          
      
 
@@ -560,15 +545,23 @@ 
              Resources
              
       
              
         
                
           
              • 
-            Get Started
+            Get Started
+          
                • 
+
+          
              • 
+            Features
+          
                • 
+
+          
              • 
+            Ecosystem
           
                • 
 
           
              • 
-            Features
+            Mobile
           
                • 
 
           
              • 
-            Ecosystem
+            PyTorch Hub
           
                • 
 
           
              • 
@@ -607,6 +600,7 @@ 
                Resources
                
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/_modules/torchaudio/functional.html b/_modules/torchaudio/functional.html
index 92edd060a9..554c3df6ac 100644
--- a/_modules/torchaudio/functional.html
+++ b/_modules/torchaudio/functional.html
@@ -28,13 +28,33 @@
   
   
   
-  
+  
   
     
      
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
                
@@ -49,11 +69,25 @@
           
                • 
 
           
              • 
-            Features
+            
                
+              
+                Ecosystem
+              
+              
                
+                
+                  Models (Beta)
+                  
                Discover, publish, and reuse pre-trained models
                
+                                
+                
+                  Tools & Libraries
+                  
                Explore the ecosystem of tools and libraries
                
+                                
+              
                
+            
                
           
                • 
 
           
              • 
-            Ecosystem
+            Mobile
           
                • 
 
           
              • 
@@ -69,7 +103,21 @@
           
                • 
 
           
              • 
-            Resources
+            
                
+              
+                Resources
+              
+              
                
+                
+                  Developer Resources
+                  
                Find resources and get questions answered
                
+                                
+                
+                  About
+                  
                Learn about PyTorch’s features and capabilities
                
+                                
+              
                
+            
                
           
                • 
 
           
              • 
@@ -216,43 +264,72 @@
               
   
                Source code for torchaudio.functional
                 from __future__ import absolute_import, division, print_function, unicode_literals
+
 import math
-import torch
 
+import torch
 
 __all__ = [
-    'istft',
-    'spectrogram',
-    'amplitude_to_DB',
-    'create_fb_matrix',
-    'create_dct',
-    'mu_law_encoding',
-    'mu_law_decoding',
-    'complex_norm',
-    'angle',
-    'magphase',
-    'phase_vocoder',
+    "istft",
+    "spectrogram",
+    "amplitude_to_DB",
+    "create_fb_matrix",
+    "create_dct",
+    "mu_law_encoding",
+    "mu_law_decoding",
+    "complex_norm",
+    "angle",
+    "magphase",
+    "phase_vocoder",
+    "lfilter",
+    "lowpass_biquad",
+    "highpass_biquad",
+    "equalizer_biquad",
+    "biquad",
+    'mask_along_axis',
+    'mask_along_axis_iid'
 ]
 
 
 # TODO: remove this once https://github.com/pytorch/pytorch/issues/21478 gets solved
 @torch.jit.ignore
-def _stft(waveform, n_fft, hop_length, win_length, window, center, pad_mode, normalized, onesided):
+def _stft(
+    waveform,
+    n_fft,
+    hop_length,
+    win_length,
+    window,
+    center,
+    pad_mode,
+    normalized,
+    onesided,
+):
     # type: (Tensor, int, Optional[int], Optional[int], Optional[Tensor], bool, str, bool, bool) -> Tensor
-    return torch.stft(waveform, n_fft, hop_length, win_length, window, center, pad_mode, normalized, onesided)
-
-
-
                [docs]def istft(stft_matrix,          # type: Tensor
-          n_fft,                # type: int
-          hop_length=None,      # type: Optional[int]
-          win_length=None,      # type: Optional[int]
-          window=None,          # type: Optional[Tensor]
-          center=True,          # type: bool
-          pad_mode='reflect',   # type: str
-          normalized=False,     # type: bool
-          onesided=True,        # type: bool
-          length=None           # type: Optional[int]
-          ):
+    return torch.stft(
+        waveform,
+        n_fft,
+        hop_length,
+        win_length,
+        window,
+        center,
+        pad_mode,
+        normalized,
+        onesided,
+    )
+
+
+
                [docs]def istft(
+    stft_matrix,  # type: Tensor
+    n_fft,  # type: int
+    hop_length=None,  # type: Optional[int]
+    win_length=None,  # type: Optional[int]
+    window=None,  # type: Optional[Tensor]
+    center=True,  # type: bool
+    pad_mode="reflect",  # type: str
+    normalized=False,  # type: bool
+    onesided=True,  # type: bool
+    length=None,  # type: Optional[int]
+):
     # type: (...) -> Tensor
     r"""Inverse short time Fourier Transform. This is expected to be the inverse of torch.stft.
     It has the same parameters (+ additional optional parameter of ``length``) and it should return the
@@ -274,7 +351,7 @@ 
                Source code for torchaudio.functional
                     Example: Suppose the last window is:
     [17, 18, 0, 0, 0] vs [18, 0, 0, 0, 0]
 
-    The n_frames, hop_length, win_length are all the same which prevents the calculation of right padding.
+    The n_frame, hop_length, win_length are all the same which prevents the calculation of right padding.
     These additional values could be zeros or a reflection of the signal so providing ``length``
     could be useful. If ``length`` is ``None`` then padding will be aggressively removed
     (some loss of signal).
@@ -284,8 +361,7 @@ 
                Source code for torchaudio.functional
                 
     Args:
         stft_matrix (torch.Tensor): Output of stft where each row of a channel is a frequency and each
-            column is a window. it has a size of either (channel, fft_size, n_frames, 2) or (
-            fft_size, n_frames, 2)
+            column is a window. It has a size of either (..., fft_size, n_frame, 2)
         n_fft (int): Size of Fourier transform
         hop_length (Optional[int]): The distance between neighboring sliding window frames.
             (Default: ``win_length // 4``)
@@ -303,22 +379,30 @@ 
                Source code for torchaudio.functional
                             original signal length). (Default: whole signal)
 
     Returns:
-        torch.Tensor: Least squares estimation of the original signal of size
-        (channel, signal_length) or (signal_length)
+        torch.Tensor: Least squares estimation of the original signal of size (..., signal_length)
     """
     stft_matrix_dim = stft_matrix.dim()
-    assert 3 <= stft_matrix_dim <= 4, ('Incorrect stft dimension: %d' % (stft_matrix_dim))
+    assert 3 <= stft_matrix_dim, "Incorrect stft dimension: %d" % (stft_matrix_dim)
+    assert stft_matrix.nelement() > 0
 
     if stft_matrix_dim == 3:
         # add a channel dimension
         stft_matrix = stft_matrix.unsqueeze(0)
 
+    # pack batch
+    shape = stft_matrix.size()
+    stft_matrix = stft_matrix.reshape(-1, *shape[-3:])
+
     dtype = stft_matrix.dtype
     device = stft_matrix.device
     fft_size = stft_matrix.size(1)
-    assert (onesided and n_fft // 2 + 1 == fft_size) or (not onesided and n_fft == fft_size), (
-        'one_sided implies that n_fft // 2 + 1 == fft_size and not one_sided implies n_fft == fft_size. ' +
-        'Given values were onesided: %s, n_fft: %d, fft_size: %d' % ('True' if onesided else False, n_fft, fft_size))
+    assert (onesided and n_fft // 2 + 1 == fft_size) or (
+        not onesided and n_fft == fft_size
+    ), (
+        "one_sided implies that n_fft // 2 + 1 == fft_size and not one_sided implies n_fft == fft_size. "
+        + "Given values were onesided: %s, n_fft: %d, fft_size: %d"
+        % ("True" if onesided else False, n_fft, fft_size)
+    )
 
     # use stft defaults for Optionals
     if win_length is None:
@@ -343,31 +427,37 @@ 
                Source code for torchaudio.functional
                         assert window.size(0) == n_fft
     # win_length and n_fft are synonymous from here on
 
-    stft_matrix = stft_matrix.transpose(1, 2)  # size (channel, n_frames, fft_size, 2)
-    stft_matrix = torch.irfft(stft_matrix, 1, normalized,
-                              onesided, signal_sizes=(n_fft,))  # size (channel, n_frames, n_fft)
+    stft_matrix = stft_matrix.transpose(1, 2)  # size (channel, n_frame, fft_size, 2)
+    stft_matrix = torch.irfft(
+        stft_matrix, 1, normalized, onesided, signal_sizes=(n_fft,)
+    )  # size (channel, n_frame, n_fft)
 
     assert stft_matrix.size(2) == n_fft
-    n_frames = stft_matrix.size(1)
+    n_frame = stft_matrix.size(1)
 
-    ytmp = stft_matrix * window.view(1, 1, n_fft)  # size (channel, n_frames, n_fft)
+    ytmp = stft_matrix * window.view(1, 1, n_fft)  # size (channel, n_frame, n_fft)
     # each column of a channel is a frame which needs to be overlap added at the right place
-    ytmp = ytmp.transpose(1, 2)  # size (channel, n_fft, n_frames)
+    ytmp = ytmp.transpose(1, 2)  # size (channel, n_fft, n_frame)
 
-    eye = torch.eye(n_fft, requires_grad=False,
-                    device=device, dtype=dtype).unsqueeze(1)  # size (n_fft, 1, n_fft)
+    eye = torch.eye(n_fft, requires_grad=False, device=device, dtype=dtype).unsqueeze(
+        1
+    )  # size (n_fft, 1, n_fft)
 
     # this does overlap add where the frames of ytmp are added such that the i'th frame of
     # ytmp is added starting at i*hop_length in the output
     y = torch.nn.functional.conv_transpose1d(
-        ytmp, eye, stride=hop_length, padding=0)  # size (channel, 1, expected_signal_len)
+        ytmp, eye, stride=hop_length, padding=0
+    )  # size (channel, 1, expected_signal_len)
 
     # do the same for the window function
-    window_sq = window.pow(2).view(n_fft, 1).repeat((1, n_frames)).unsqueeze(0)  # size (1, n_fft, n_frames)
+    window_sq = (
+        window.pow(2).view(n_fft, 1).repeat((1, n_frame)).unsqueeze(0)
+    )  # size (1, n_fft, n_frame)
     window_envelop = torch.nn.functional.conv_transpose1d(
-        window_sq, eye, stride=hop_length, padding=0)  # size (1, 1, expected_signal_len)
+        window_sq, eye, stride=hop_length, padding=0
+    )  # size (1, 1, expected_signal_len)
 
-    expected_signal_len = n_fft + hop_length * (n_frames - 1)
+    expected_signal_len = n_fft + hop_length * (n_frame - 1)
     assert y.size(2) == expected_signal_len
     assert window_envelop.size(2) == expected_signal_len
 
@@ -381,22 +471,30 @@ 
                Source code for torchaudio.functional
                 
     # check NOLA non-zero overlap condition
     window_envelop_lowest = window_envelop.abs().min()
-    assert window_envelop_lowest > 1e-11, ('window overlap add min: %f' % (window_envelop_lowest))
+    assert window_envelop_lowest > 1e-11, "window overlap add min: %f" % (
+        window_envelop_lowest
+    )
 
     y = (y / window_envelop).squeeze(1)  # size (channel, expected_signal_len)
 
+    # unpack batch
+    y = y.reshape(shape[:-3] + y.shape[-1:])
+
     if stft_matrix_dim == 3:  # remove the channel dimension
         y = y.squeeze(0)
+
     return y
                
 
 
-@torch.jit.script
-def spectrogram(waveform, pad, window, n_fft, hop_length, win_length, power, normalized):
-    # type: (Tensor, int, Tensor, int, int, int, int, bool) -> Tensor
-    r"""Create a spectrogram from a raw audio signal.
+
                [docs]def spectrogram(
+    waveform, pad, window, n_fft, hop_length, win_length, power, normalized
+):
+    # type: (Tensor, int, Tensor, int, int, int, Optional[int], bool) -> Tensor
+    r"""Create a spectrogram or a batch of spectrograms from a raw audio signal.
+    The spectrogram can be either magnitude-only or complex.
 
     Args:
-        waveform (torch.Tensor): Tensor of audio of dimension (channel, time)
+        waveform (torch.Tensor): Tensor of audio of dimension (..., time)
         pad (int): Two sided padding of signal
         window (torch.Tensor): Window tensor that is applied/multiplied to each frame/window
         n_fft (int): Size of FFT
@@ -404,33 +502,42 @@ 
                Source code for torchaudio.functional
                         win_length (int): Window size
         power (int): Exponent for the magnitude spectrogram,
             (must be > 0) e.g., 1 for energy, 2 for power, etc.
+            If None, then the complex spectrum is returned instead.
         normalized (bool): Whether to normalize by magnitude after stft
 
     Returns:
-        torch.Tensor: Dimension (channel, freq, time), where channel
-        is unchanged, freq is ``n_fft // 2 + 1`` where ``n_fft`` is the number of
-        Fourier bins, and time is the number of window hops (n_frames).
+        torch.Tensor: Dimension (..., freq, time), freq is
+        ``n_fft // 2 + 1`` and ``n_fft`` is the number of
+        Fourier bins, and time is the number of window hops (n_frame).
     """
-    assert waveform.dim() == 2
 
     if pad > 0:
         # TODO add "with torch.no_grad():" back when JIT supports it
         waveform = torch.nn.functional.pad(waveform, (pad, pad), "constant")
 
+    # pack batch
+    shape = waveform.size()
+    waveform = waveform.reshape(-1, shape[-1])
+
     # default values are consistent with librosa.core.spectrum._spectrogram
-    spec_f = _stft(waveform, n_fft, hop_length, win_length, window,
-                   True, 'reflect', False, True)
+    spec_f = _stft(
+        waveform, n_fft, hop_length, win_length, window, True, "reflect", False, True
+    )
+
+    # unpack batch
+    spec_f = spec_f.reshape(shape[:-1] + spec_f.shape[-3:])
 
     if normalized:
         spec_f /= window.pow(2).sum().sqrt()
-    spec_f = spec_f.pow(power).sum(-1)  # get power of "complex" tensor
-    return spec_f
+    if power is not None:
+        spec_f = spec_f.pow(power).sum(-1)  # get power of "complex" tensor
+
+    return spec_f
                
 
 
-@torch.jit.script
-def amplitude_to_DB(x, multiplier, amin, db_multiplier, top_db=None):
+
                [docs]def amplitude_to_DB(x, multiplier, amin, db_multiplier, top_db=None):
     # type: (Tensor, float, float, float, Optional[float]) -> Tensor
-    r"""Turns a tensor from the power/amplitude scale to the decibel scale.
+    r"""Turn a tensor from the power/amplitude scale to the decibel scale.
 
     This output depends on the maximum value in the input tensor, and so
     may return different values for an audio clip split into snippets vs. a
@@ -451,23 +558,21 @@ 
                Source code for torchaudio.functional
                     x_db -= multiplier * db_multiplier
 
     if top_db is not None:
-        new_x_db_max = torch.tensor(float(x_db.max()) - top_db,
-                                    dtype=x_db.dtype, device=x_db.device)
-        x_db = torch.max(x_db, new_x_db_max)
+        x_db = x_db.clamp(min=x_db.max().item() - top_db)
 
-    return x_db
+    return x_db
                
 
 
-@torch.jit.script
-def create_fb_matrix(n_freqs, f_min, f_max, n_mels):
-    # type: (int, float, float, int) -> Tensor
-    r""" Create a frequency bin conversion matrix.
+
                [docs]def create_fb_matrix(n_freqs, f_min, f_max, n_mels, sample_rate):
+    # type: (int, float, float, int, int) -> Tensor
+    r"""Create a frequency bin conversion matrix.
 
     Args:
         n_freqs (int): Number of frequencies to highlight/apply
-        f_min (float): Minimum frequency
-        f_max (float): Maximum frequency
+        f_min (float): Minimum frequency (Hz)
+        f_max (float): Maximum frequency (Hz)
         n_mels (int): Number of mel filterbanks
+        sample_rate (int): Sample rate of the audio waveform
 
     Returns:
         torch.Tensor: Triangular filter banks (fb matrix) of size (``n_freqs``, ``n_mels``)
@@ -477,29 +582,32 @@ 
                Source code for torchaudio.functional
                         ``A * create_fb_matrix(A.size(-1), ...)``.
     """
     # freq bins
-    freqs = torch.linspace(f_min, f_max, n_freqs)
+    # Equivalent filterbank construction by Librosa
+    all_freqs = torch.linspace(0, sample_rate // 2, n_freqs)
+    i_freqs = all_freqs.ge(f_min) & all_freqs.le(f_max)
+    freqs = all_freqs[i_freqs]
+
     # calculate mel freq bins
     # hertz to mel(f) is 2595. * math.log10(1. + (f / 700.))
-    m_min = 0. if f_min == 0 else 2595. * math.log10(1. + (f_min / 700.))
-    m_max = 2595. * math.log10(1. + (f_max / 700.))
+    m_min = 2595.0 * math.log10(1.0 + (f_min / 700.0))
+    m_max = 2595.0 * math.log10(1.0 + (f_max / 700.0))
     m_pts = torch.linspace(m_min, m_max, n_mels + 2)
     # mel to hertz(mel) is 700. * (10**(mel / 2595.) - 1.)
-    f_pts = 700. * (10**(m_pts / 2595.) - 1.)
+    f_pts = 700.0 * (10 ** (m_pts / 2595.0) - 1.0)
     # calculate the difference between each mel point and each stft freq point in hertz
     f_diff = f_pts[1:] - f_pts[:-1]  # (n_mels + 1)
-    slopes = f_pts.unsqueeze(0) - freqs.unsqueeze(1)  # (n_freqs, n_mels + 2)
+    slopes = f_pts.unsqueeze(0) - all_freqs.unsqueeze(1)  # (n_freqs, n_mels + 2)
     # create overlapping triangles
     zero = torch.zeros(1)
-    down_slopes = (-1. * slopes[:, :-2]) / f_diff[:-1]  # (n_freqs, n_mels)
+    down_slopes = (-1.0 * slopes[:, :-2]) / f_diff[:-1]  # (n_freqs, n_mels)
     up_slopes = slopes[:, 2:] / f_diff[1:]  # (n_freqs, n_mels)
     fb = torch.max(zero, torch.min(down_slopes, up_slopes))
-    return fb
+    return fb
                
 
 
-@torch.jit.script
-def create_dct(n_mfcc, n_mels, norm):
+
                [docs]def create_dct(n_mfcc, n_mels, norm):
     # type: (int, int, Optional[str]) -> Tensor
-    r"""Creates a DCT transformation matrix with shape (``n_mels``, ``n_mfcc``),
+    r"""Create a DCT transformation matrix with shape (``n_mels``, ``n_mfcc``),
     normalized depending on norm.
 
     Args:
@@ -518,14 +626,13 @@ 
                Source code for torchaudio.functional
                     if norm is None:
         dct *= 2.0
     else:
-        assert norm == 'ortho'
+        assert norm == "ortho"
         dct[0] *= 1.0 / math.sqrt(2.0)
         dct *= math.sqrt(2.0 / float(n_mels))
-    return dct.t()
+    return dct.t()
                
 
 
-@torch.jit.script
-def mu_law_encoding(x, quantization_channels):
+
                [docs]def mu_law_encoding(x, quantization_channels):
     # type: (Tensor, int) -> Tensor
     r"""Encode signal based on mu-law companding.  For more info see the
     `Wikipedia Entry <https://en.wikipedia.org/wiki/%CE%9C-law_algorithm>`_
@@ -540,18 +647,16 @@ 
                Source code for torchaudio.functional
                     Returns:
         torch.Tensor: Input after mu-law encoding
     """
-    mu = quantization_channels - 1.
+    mu = quantization_channels - 1.0
     if not x.is_floating_point():
         x = x.to(torch.float)
     mu = torch.tensor(mu, dtype=x.dtype)
-    x_mu = torch.sign(x) * torch.log1p(mu *
-                                       torch.abs(x)) / torch.log1p(mu)
+    x_mu = torch.sign(x) * torch.log1p(mu * torch.abs(x)) / torch.log1p(mu)
     x_mu = ((x_mu + 1) / 2 * mu + 0.5).to(torch.int64)
-    return x_mu
+    return x_mu
                
 
 
-@torch.jit.script
-def mu_law_decoding(x_mu, quantization_channels):
+
                [docs]def mu_law_decoding(x_mu, quantization_channels):
     # type: (Tensor, int) -> Tensor
     r"""Decode mu-law encoded signal.  For more info see the
     `Wikipedia Entry <https://en.wikipedia.org/wiki/%CE%9C-law_algorithm>`_
@@ -566,24 +671,25 @@ 
                Source code for torchaudio.functional
                     Returns:
         torch.Tensor: Input after mu-law decoding
     """
-    mu = quantization_channels - 1.
+    mu = quantization_channels - 1.0
     if not x_mu.is_floating_point():
         x_mu = x_mu.to(torch.float)
     mu = torch.tensor(mu, dtype=x_mu.dtype)
-    x = ((x_mu) / mu) * 2 - 1.
-    x = torch.sign(x) * (torch.exp(torch.abs(x) * torch.log1p(mu)) - 1.) / mu
-    return x
+    x = ((x_mu) / mu) * 2 - 1.0
+    x = torch.sign(x) * (torch.exp(torch.abs(x) * torch.log1p(mu)) - 1.0) / mu
+    return x
                
 
 
 
                [docs]def complex_norm(complex_tensor, power=1.0):
+    # type: (Tensor, float) -> Tensor
     r"""Compute the norm of complex tensor input.
 
     Args:
-        complex_tensor (torch.Tensor): Tensor shape of `(*, complex=2)`
+        complex_tensor (torch.Tensor): Tensor shape of `(..., complex=2)`
         power (float): Power of the norm. (Default: `1.0`).
 
     Returns:
-        torch.Tensor: Power of the normed input tensor. Shape of `(*, )`
+        torch.Tensor: Power of the normed input tensor. Shape of `(..., )`
     """
     if power == 1.0:
         return torch.norm(complex_tensor, 2, -1)
@@ -591,22 +697,24 @@ 
                Source code for torchaudio.functional
                 
 
 
                [docs]def angle(complex_tensor):
+    # type: (Tensor) -> Tensor
     r"""Compute the angle of complex tensor input.
 
     Args:
-        complex_tensor (torch.Tensor): Tensor shape of `(*, complex=2)`
+        complex_tensor (torch.Tensor): Tensor shape of `(..., complex=2)`
 
     Return:
-        torch.Tensor: Angle of a complex tensor. Shape of `(*, )`
+        torch.Tensor: Angle of a complex tensor. Shape of `(..., )`
     """
     return torch.atan2(complex_tensor[..., 1], complex_tensor[..., 0])
                
 
 
-
                [docs]def magphase(complex_tensor, power=1.):
-    r"""Separate a complex-valued spectrogram with shape `(*, 2)` into its magnitude and phase.
+
                [docs]def magphase(complex_tensor, power=1.0):
+    # type: (Tensor, float) -> Tuple[Tensor, Tensor]
+    r"""Separate a complex-valued spectrogram with shape `(..., 2)` into its magnitude and phase.
 
     Args:
-        complex_tensor (torch.Tensor): Tensor shape of `(*, complex=2)`
+        complex_tensor (torch.Tensor): Tensor shape of `(..., complex=2)`
         power (float): Power of the norm. (Default: `1.0`)
 
     Returns:
@@ -618,32 +726,35 @@ 
                Source code for torchaudio.functional
                 
 
 
                [docs]def phase_vocoder(complex_specgrams, rate, phase_advance):
+    # type: (Tensor, float, Tensor) -> Tensor
     r"""Given a STFT tensor, speed up in time without modifying pitch by a
     factor of ``rate``.
 
     Args:
-        complex_specgrams (torch.Tensor): Dimension of `(*, channel, freq, time, complex=2)`
+        complex_specgrams (torch.Tensor): Dimension of `(..., freq, time, complex=2)`
         rate (float): Speed-up factor
         phase_advance (torch.Tensor): Expected phase advance in each bin. Dimension
             of (freq, 1)
 
     Returns:
-        complex_specgrams_stretch (torch.Tensor): Dimension of `(*, channel,
+        complex_specgrams_stretch (torch.Tensor): Dimension of `(...,
         freq, ceil(time/rate), complex=2)`
 
     Example
-        >>> num_freqs, hop_length = 1025, 512
-        >>> # (batch, channel, num_freqs, time, complex=2)
-        >>> complex_specgrams = torch.randn(16, 1, num_freqs, 300, 2)
-        >>> rate = 1.3 # Slow down by 30%
+        >>> freq, hop_length = 1025, 512
+        >>> # (channel, freq, time, complex=2)
+        >>> complex_specgrams = torch.randn(2, freq, 300, 2)
+        >>> rate = 1.3 # Speed up by 30%
         >>> phase_advance = torch.linspace(
-        >>>    0, math.pi * hop_length, num_freqs)[..., None]
+        >>>    0, math.pi * hop_length, freq)[..., None]
         >>> x = phase_vocoder(complex_specgrams, rate, phase_advance)
         >>> x.shape # with 231 == ceil(300 / 1.3)
-        torch.Size([16, 1, 1025, 231, 2])
+        torch.Size([2, 1025, 231, 2])
     """
-    ndim = complex_specgrams.dim()
-    time_slice = [slice(None)] * (ndim - 2)
+
+    # pack batch
+    shape = complex_specgrams.size()
+    complex_specgrams = complex_specgrams.reshape([-1] + list(shape[-3:]))
 
     time_steps = torch.arange(0,
                               complex_specgrams.size(-2),
@@ -651,28 +762,28 @@ 
                Source code for torchaudio.functional
                                               device=complex_specgrams.device,
                               dtype=complex_specgrams.dtype)
 
-    alphas = time_steps % 1.
-    phase_0 = angle(complex_specgrams[time_slice + [slice(1)]])
+    alphas = time_steps % 1.0
+    phase_0 = angle(complex_specgrams[..., :1, :])
 
     # Time Padding
     complex_specgrams = torch.nn.functional.pad(complex_specgrams, [0, 0, 0, 2])
 
-    # (new_bins, num_freqs, 2)
-    complex_specgrams_0 = complex_specgrams[time_slice + [time_steps.long()]]
-    complex_specgrams_1 = complex_specgrams[time_slice + [(time_steps + 1).long()]]
+    # (new_bins, freq, 2)
+    complex_specgrams_0 = complex_specgrams.index_select(-2, time_steps.long())
+    complex_specgrams_1 = complex_specgrams.index_select(-2, (time_steps + 1).long())
 
     angle_0 = angle(complex_specgrams_0)
     angle_1 = angle(complex_specgrams_1)
 
-    norm_0 = torch.norm(complex_specgrams_0, dim=-1)
-    norm_1 = torch.norm(complex_specgrams_1, dim=-1)
+    norm_0 = torch.norm(complex_specgrams_0, p=2, dim=-1)
+    norm_1 = torch.norm(complex_specgrams_1, p=2, dim=-1)
 
     phase = angle_1 - angle_0 - phase_advance
     phase = phase - 2 * math.pi * torch.round(phase / (2 * math.pi))
 
     # Compute Phase Accum
     phase = phase + phase_advance
-    phase = torch.cat([phase_0, phase[time_slice + [slice(-1)]]], dim=-1)
+    phase = torch.cat([phase_0, phase[..., :-1]], dim=-1)
     phase_acc = torch.cumsum(phase, -1)
 
     mag = alphas * norm_1 + (1 - alphas) * norm_0
@@ -682,7 +793,628 @@ 
                Source code for torchaudio.functional
                 
     complex_specgrams_stretch = torch.stack([real_stretch, imag_stretch], dim=-1)
 
+    # unpack batch
+    complex_specgrams_stretch = complex_specgrams_stretch.reshape(shape[:-3] + complex_specgrams_stretch.shape[1:])
+
     return complex_specgrams_stretch
                
+
+
+
                [docs]def lfilter(waveform, a_coeffs, b_coeffs):
+    # type: (Tensor, Tensor, Tensor) -> Tensor
+    r"""Perform an IIR filter by evaluating difference equation.
+
+    Args:
+        waveform (torch.Tensor): audio waveform of dimension of `(..., time)`.  Must be normalized to -1 to 1.
+        a_coeffs (torch.Tensor): denominator coefficients of difference equation of dimension of `(n_order + 1)`.
+                                Lower delays coefficients are first, e.g. `[a0, a1, a2, ...]`.
+                                Must be same size as b_coeffs (pad with 0's as necessary).
+        b_coeffs (torch.Tensor): numerator coefficients of difference equation of dimension of `(n_order + 1)`.
+                                 Lower delays coefficients are first, e.g. `[b0, b1, b2, ...]`.
+                                 Must be same size as a_coeffs (pad with 0's as necessary).
+
+    Returns:
+        output_waveform (torch.Tensor): Dimension of `(..., time)`.  Output will be clipped to -1 to 1.
+
+    """
+
+    dim = waveform.dim()
+
+    # pack batch
+    shape = waveform.size()
+    waveform = waveform.reshape(-1, shape[-1])
+
+    assert(a_coeffs.size(0) == b_coeffs.size(0))
+    assert(len(waveform.size()) == 2)
+    assert(waveform.device == a_coeffs.device)
+    assert(b_coeffs.device == a_coeffs.device)
+
+    device = waveform.device
+    dtype = waveform.dtype
+    n_channel, n_sample = waveform.size()
+    n_order = a_coeffs.size(0)
+    assert(n_order > 0)
+
+    # Pad the input and create output
+    padded_waveform = torch.zeros(n_channel, n_sample + n_order - 1, dtype=dtype, device=device)
+    padded_waveform[:, (n_order - 1):] = waveform
+    padded_output_waveform = torch.zeros(n_channel, n_sample + n_order - 1, dtype=dtype, device=device)
+
+    # Set up the coefficients matrix
+    # Flip order, repeat, and transpose
+    a_coeffs_filled = a_coeffs.flip(0).repeat(n_channel, 1).t()
+    b_coeffs_filled = b_coeffs.flip(0).repeat(n_channel, 1).t()
+
+    # Set up a few other utilities
+    a0_repeated = torch.ones(n_channel, dtype=dtype, device=device) * a_coeffs[0]
+    ones = torch.ones(n_channel, n_sample, dtype=dtype, device=device)
+
+    for i_sample in range(n_sample):
+
+        o0 = torch.zeros(n_channel, dtype=dtype, device=device)
+
+        windowed_input_signal = padded_waveform[:, i_sample:(i_sample + n_order)]
+        windowed_output_signal = padded_output_waveform[:, i_sample:(i_sample + n_order)]
+
+        o0.add_(torch.diag(torch.mm(windowed_input_signal, b_coeffs_filled)))
+        o0.sub_(torch.diag(torch.mm(windowed_output_signal, a_coeffs_filled)))
+
+        o0.div_(a0_repeated)
+
+        padded_output_waveform[:, i_sample + n_order - 1] = o0
+
+    output = torch.min(
+        ones, torch.max(ones * -1, padded_output_waveform[:, (n_order - 1):])
+    )
+
+    # unpack batch
+    output = output.reshape(shape[:-1] + output.shape[-1:])
+
+    return output
                
+
+
+
                [docs]def biquad(waveform, b0, b1, b2, a0, a1, a2):
+    # type: (Tensor, float, float, float, float, float, float) -> Tensor
+    r"""Perform a biquad filter of input tensor.  Initial conditions set to 0.
+    https://en.wikipedia.org/wiki/Digital_biquad_filter
+
+    Args:
+        waveform (torch.Tensor): audio waveform of dimension of `(..., time)`
+        b0 (float): numerator coefficient of current input, x[n]
+        b1 (float): numerator coefficient of input one time step ago x[n-1]
+        b2 (float): numerator coefficient of input two time steps ago x[n-2]
+        a0 (float): denominator coefficient of current output y[n], typically 1
+        a1 (float): denominator coefficient of current output y[n-1]
+        a2 (float): denominator coefficient of current output y[n-2]
+
+    Returns:
+        output_waveform (torch.Tensor): Dimension of `(..., time)`
+    """
+
+    device = waveform.device
+    dtype = waveform.dtype
+
+    output_waveform = lfilter(
+        waveform,
+        torch.tensor([a0, a1, a2], dtype=dtype, device=device),
+        torch.tensor([b0, b1, b2], dtype=dtype, device=device)
+    )
+    return output_waveform
                
+
+
+def _dB2Linear(x):
+    # type: (float) -> float
+    return math.exp(x * math.log(10) / 20.0)
+
+
+
                [docs]def highpass_biquad(waveform, sample_rate, cutoff_freq, Q=0.707):
+    # type: (Tensor, int, float, float) -> Tensor
+    r"""Design biquad highpass filter and perform filtering.  Similar to SoX implementation.
+
+    Args:
+        waveform (torch.Tensor): audio waveform of dimension of `(..., time)`
+        sample_rate (int): sampling rate of the waveform, e.g. 44100 (Hz)
+        cutoff_freq (float): filter cutoff frequency
+        Q (float): https://en.wikipedia.org/wiki/Q_factor
+
+    Returns:
+        output_waveform (torch.Tensor): Dimension of `(..., time)`
+    """
+
+    GAIN = 1.
+    w0 = 2 * math.pi * cutoff_freq / sample_rate
+    A = math.exp(GAIN / 40.0 * math.log(10))
+    alpha = math.sin(w0) / 2. / Q
+    mult = _dB2Linear(max(GAIN, 0))
+
+    b0 = (1 + math.cos(w0)) / 2
+    b1 = -1 - math.cos(w0)
+    b2 = b0
+    a0 = 1 + alpha
+    a1 = -2 * math.cos(w0)
+    a2 = 1 - alpha
+    return biquad(waveform, b0, b1, b2, a0, a1, a2)
                
+
+
+
                [docs]def lowpass_biquad(waveform, sample_rate, cutoff_freq, Q=0.707):
+    # type: (Tensor, int, float, float) -> Tensor
+    r"""Design biquad lowpass filter and perform filtering.  Similar to SoX implementation.
+
+    Args:
+        waveform (torch.Tensor): audio waveform of dimension of `(..., time)`
+        sample_rate (int): sampling rate of the waveform, e.g. 44100 (Hz)
+        cutoff_freq (float): filter cutoff frequency
+        Q (float): https://en.wikipedia.org/wiki/Q_factor
+
+    Returns:
+        output_waveform (torch.Tensor): Dimension of `(..., time)`
+    """
+
+    GAIN = 1.
+    w0 = 2 * math.pi * cutoff_freq / sample_rate
+    A = math.exp(GAIN / 40.0 * math.log(10))
+    alpha = math.sin(w0) / 2 / Q
+    mult = _dB2Linear(max(GAIN, 0))
+
+    b0 = (1 - math.cos(w0)) / 2
+    b1 = 1 - math.cos(w0)
+    b2 = b0
+    a0 = 1 + alpha
+    a1 = -2 * math.cos(w0)
+    a2 = 1 - alpha
+    return biquad(waveform, b0, b1, b2, a0, a1, a2)
                
+
+
+
                [docs]def equalizer_biquad(waveform, sample_rate, center_freq, gain, Q=0.707):
+    # type: (Tensor, int, float, float, float) -> Tensor
+    r"""Design biquad peaking equalizer filter and perform filtering.  Similar to SoX implementation.
+
+    Args:
+        waveform (torch.Tensor): audio waveform of dimension of `(..., time)`
+        sample_rate (int): sampling rate of the waveform, e.g. 44100 (Hz)
+        center_freq (float): filter's central frequency
+        gain (float): desired gain at the boost (or attenuation) in dB
+        q_factor (float): https://en.wikipedia.org/wiki/Q_factor
+
+    Returns:
+        output_waveform (torch.Tensor): Dimension of `(..., time)`
+    """
+    w0 = 2 * math.pi * center_freq / sample_rate
+    A = math.exp(gain / 40.0 * math.log(10))
+    alpha = math.sin(w0) / 2 / Q
+
+    b0 = 1 + alpha * A
+    b1 = -2 * math.cos(w0)
+    b2 = 1 - alpha * A
+    a0 = 1 + alpha / A
+    a1 = -2 * math.cos(w0)
+    a2 = 1 - alpha / A
+    return biquad(waveform, b0, b1, b2, a0, a1, a2)
                
+
+
+
                [docs]def mask_along_axis_iid(specgrams, mask_param, mask_value, axis):
+    # type: (Tensor, int, float, int) -> Tensor
+    r"""
+    Apply a mask along ``axis``. Mask will be applied from indices ``[v_0, v_0 + v)``, where
+    ``v`` is sampled from ``uniform(0, mask_param)``, and ``v_0`` from ``uniform(0, max_v - v)``.
+    All examples will have the same mask interval.
+
+    Args:
+        specgrams (Tensor): Real spectrograms (batch, channel, freq, time)
+        mask_param (int): Number of columns to be masked will be uniformly sampled from [0, mask_param]
+        mask_value (float): Value to assign to the masked columns
+        axis (int): Axis to apply masking on (2 -> frequency, 3 -> time)
+
+    Returns:
+        torch.Tensor: Masked spectrograms of dimensions (batch, channel, freq, time)
+    """
+
+    if axis != 2 and axis != 3:
+        raise ValueError('Only Frequency and Time masking are supported')
+
+    value = torch.rand(specgrams.shape[:2]) * mask_param
+    min_value = torch.rand(specgrams.shape[:2]) * (specgrams.size(axis) - value)
+
+    # Create broadcastable mask
+    mask_start = (min_value.long())[..., None, None].float()
+    mask_end = (min_value.long() + value.long())[..., None, None].float()
+    mask = torch.arange(0, specgrams.size(axis)).float()
+
+    # Per batch example masking
+    specgrams = specgrams.transpose(axis, -1)
+    specgrams.masked_fill_((mask >= mask_start) & (mask < mask_end), mask_value)
+    specgrams = specgrams.transpose(axis, -1)
+
+    return specgrams
                
+
+
+
                [docs]def mask_along_axis(specgram, mask_param, mask_value, axis):
+    # type: (Tensor, int, float, int) -> Tensor
+    r"""
+    Apply a mask along ``axis``. Mask will be applied from indices ``[v_0, v_0 + v)``, where
+    ``v`` is sampled from ``uniform(0, mask_param)``, and ``v_0`` from ``uniform(0, max_v - v)``.
+    All examples will have the same mask interval.
+
+    Args:
+        specgram (Tensor): Real spectrogram (channel, freq, time)
+        mask_param (int): Number of columns to be masked will be uniformly sampled from [0, mask_param]
+        mask_value (float): Value to assign to the masked columns
+        axis (int): Axis to apply masking on (1 -> frequency, 2 -> time)
+
+    Returns:
+        torch.Tensor: Masked spectrogram of dimensions (channel, freq, time)
+    """
+
+    # pack batch
+    shape = specgram.size()
+    specgram = specgram.reshape([-1] + list(shape[-2:]))
+
+    value = torch.rand(1) * mask_param
+    min_value = torch.rand(1) * (specgram.size(axis) - value)
+
+    mask_start = (min_value.long()).squeeze()
+    mask_end = (min_value.long() + value.long()).squeeze()
+
+    assert mask_end - mask_start < mask_param
+    if axis == 1:
+        specgram[:, mask_start:mask_end] = mask_value
+    elif axis == 2:
+        specgram[:, :, mask_start:mask_end] = mask_value
+    else:
+        raise ValueError('Only Frequency and Time masking are supported')
+
+    # unpack batch
+    specgram = specgram.reshape(shape[:-2] + specgram.shape[-2:])
+
+    return specgram
                
+
+
+
                [docs]def compute_deltas(specgram, win_length=5, mode="replicate"):
+    # type: (Tensor, int, str) -> Tensor
+    r"""Compute delta coefficients of a tensor, usually a spectrogram:
+
+    .. math::
+        d_t = \frac{\sum_{n=1}^{\text{N}} n (c_{t+n} - c_{t-n})}{2 \sum_{n=1}^{\text{N} n^2}
+
+    where :math:`d_t` is the deltas at time :math:`t`,
+    :math:`c_t` is the spectrogram coeffcients at time :math:`t`,
+    :math:`N` is (`win_length`-1)//2.
+
+    Args:
+        specgram (torch.Tensor): Tensor of audio of dimension (..., freq, time)
+        win_length (int): The window length used for computing delta
+        mode (str): Mode parameter passed to padding
+
+    Returns:
+        deltas (torch.Tensor): Tensor of audio of dimension (..., freq, time)
+
+    Example
+        >>> specgram = torch.randn(1, 40, 1000)
+        >>> delta = compute_deltas(specgram)
+        >>> delta2 = compute_deltas(delta)
+    """
+
+    # pack batch
+    shape = specgram.size()
+    specgram = specgram.reshape(1, -1, shape[-1])
+
+    assert win_length >= 3
+
+    n = (win_length - 1) // 2
+
+    # twice sum of integer squared
+    denom = n * (n + 1) * (2 * n + 1) / 3
+
+    specgram = torch.nn.functional.pad(specgram, (n, n), mode=mode)
+
+    kernel = (
+        torch
+        .arange(-n, n + 1, 1, device=specgram.device, dtype=specgram.dtype)
+        .repeat(specgram.shape[1], 1, 1)
+    )
+
+    output = torch.nn.functional.conv1d(specgram, kernel, groups=specgram.shape[1]) / denom
+
+    # unpack batch
+    output = output.reshape(shape)
+
+    return output
                
+
+
+def gain(waveform, gain_db=1.0):
+    # type: (Tensor, float) -> Tensor
+    r"""Apply amplification or attenuation to the whole waveform.
+
+    Args:
+       waveform (torch.Tensor): Tensor of audio of dimension (..., time).
+       gain_db (float) Gain adjustment in decibels (dB) (Default: `1.0`).
+
+    Returns:
+       torch.Tensor: the whole waveform amplified by gain_db.
+    """
+    if (gain_db == 0):
+        return waveform
+
+    ratio = 10 ** (gain_db / 20)
+
+    return waveform * ratio
+
+
+def _add_noise_shaping(dithered_waveform, waveform):
+    r"""Noise shaping is calculated by error:
+    error[n] = dithered[n] - original[n]
+    noise_shaped_waveform[n] = dithered[n] + error[n-1]
+    """
+    wf_shape = waveform.size()
+    waveform = waveform.reshape(-1, wf_shape[-1])
+
+    dithered_shape = dithered_waveform.size()
+    dithered_waveform = dithered_waveform.reshape(-1, dithered_shape[-1])
+
+    error = dithered_waveform - waveform
+
+    # add error[n-1] to dithered_waveform[n], so offset the error by 1 index
+    for index in range(error.size()[0]):
+        err = error[index]
+        error_offset = torch.cat((torch.zeros(1), err))
+        error[index] = error_offset[:waveform.size()[1]]
+
+    noise_shaped = dithered_waveform + error
+    return noise_shaped.reshape(dithered_shape[:-1] + noise_shaped.shape[-1:])
+
+
+def _apply_probability_distribution(waveform, density_function="TPDF"):
+    # type: (Tensor, str) -> Tensor
+    r"""Apply a probability distribution function on a waveform.
+
+    Triangular probability density function (TPDF) dither noise has a
+    triangular distribution; values in the center of the range have a higher
+    probability of occurring.
+
+    Rectangular probability density function (RPDF) dither noise has a
+    uniform distribution; any value in the specified range has the same
+    probability of occurring.
+
+    Gaussian probability density function (GPDF) has a normal distribution.
+    The relationship of probabilities of results follows a bell-shaped,
+    or Gaussian curve, typical of dither generated by analog sources.
+    Args:
+        waveform (torch.Tensor): Tensor of audio of dimension (..., time)
+        probability_density_function (string): The density function of a
+           continuous random variable (Default: `TPDF`)
+           Options: Triangular Probability Density Function - `TPDF`
+                    Rectangular Probability Density Function - `RPDF`
+                    Gaussian Probability Density Function - `GPDF`
+    Returns:
+        torch.Tensor: waveform dithered with TPDF
+    """
+
+    # pack batch
+    shape = waveform.size()
+    waveform = waveform.reshape(-1, shape[-1])
+
+    channel_size = waveform.size()[0] - 1
+    time_size = waveform.size()[-1] - 1
+
+    random_channel = int(torch.randint(channel_size, [1, ]).item()) if channel_size > 0 else 0
+    random_time = int(torch.randint(time_size, [1, ]).item()) if time_size > 0 else 0
+
+    number_of_bits = 16
+    up_scaling = 2 ** (number_of_bits - 1) - 2
+    signal_scaled = waveform * up_scaling
+    down_scaling = 2 ** (number_of_bits - 1)
+
+    signal_scaled_dis = waveform
+    if (density_function == "RPDF"):
+        RPDF = waveform[random_channel][random_time] - 0.5
+
+        signal_scaled_dis = signal_scaled + RPDF
+    elif (density_function == "GPDF"):
+        # TODO Replace by distribution code once
+        # https://github.com/pytorch/pytorch/issues/29843 is resolved
+        # gaussian = torch.distributions.normal.Normal(torch.mean(waveform, -1), 1).sample()
+
+        num_rand_variables = 6
+
+        gaussian = waveform[random_channel][random_time]
+        for ws in num_rand_variables * [time_size]:
+            rand_chan = int(torch.randint(channel_size, [1, ]).item())
+            gaussian += waveform[rand_chan][int(torch.randint(ws, [1, ]).item())]
+
+        signal_scaled_dis = signal_scaled + gaussian
+    else:
+        TPDF = torch.bartlett_window(time_size + 1)
+        TPDF = TPDF.repeat((channel_size + 1), 1)
+        signal_scaled_dis = signal_scaled + TPDF
+
+    quantised_signal_scaled = torch.round(signal_scaled_dis)
+    quantised_signal = quantised_signal_scaled / down_scaling
+
+    # unpack batch
+    return quantised_signal.reshape(shape[:-1] + quantised_signal.shape[-1:])
+
+
+def dither(waveform, density_function="TPDF", noise_shaping=False):
+    # type: (Tensor, str, bool) -> Tensor
+    r"""Dither increases the perceived dynamic range of audio stored at a
+    particular bit-depth by eliminating nonlinear truncation distortion
+    (i.e. adding minimally perceived noise to mask distortion caused by quantization).
+    Args:
+       waveform (torch.Tensor): Tensor of audio of dimension (..., time)
+       density_function (string): The density function of a
+           continuous random variable (Default: `TPDF`)
+           Options: Triangular Probability Density Function - `TPDF`
+                    Rectangular Probability Density Function - `RPDF`
+                    Gaussian Probability Density Function - `GPDF`
+       noise_shaping (boolean): a filtering process that shapes the spectral
+           energy of quantisation error (Default: `False`)
+
+    Returns:
+       torch.Tensor: waveform dithered
+    """
+    dithered = _apply_probability_distribution(waveform, density_function=density_function)
+
+    if noise_shaping:
+        return _add_noise_shaping(dithered, waveform)
+    else:
+        return dithered
+
+
+def _compute_nccf(waveform, sample_rate, frame_time, freq_low):
+    # type: (Tensor, int, float, int) -> Tensor
+    r"""
+    Compute Normalized Cross-Correlation Function (NCCF).
+
+    .. math::
+        \phi_i(m) = \frac{\sum_{n=b_i}^{b_i + N-1} w(n) w(m+n)}{\sqrt{E(b_i) E(m+b_i)}},
+
+    where
+    :math:`\phi_i(m)` is the NCCF at frame :math:`i` with lag :math:`m`,
+    :math:`w` is the waveform,
+    :math:`N` is the lenght of a frame,
+    :math:`b_i` is the beginning of frame :math:`i`,
+    :math:`E(j)` is the energy :math:`\sum_{n=j}^{j+N-1} w^2(n)`.
+    """
+
+    EPSILON = 10 ** (-9)
+
+    # Number of lags to check
+    lags = math.ceil(sample_rate / freq_low)
+
+    frame_size = int(math.ceil(sample_rate * frame_time))
+
+    waveform_length = waveform.size()[-1]
+    num_of_frames = math.ceil(waveform_length / frame_size)
+
+    p = lags + num_of_frames * frame_size - waveform_length
+    waveform = torch.nn.functional.pad(waveform, (0, p))
+
+    # Compute lags
+    output_lag = []
+    for lag in range(1, lags + 1):
+        s1 = waveform[..., :-lag].unfold(-1, frame_size, frame_size)[
+            ..., :num_of_frames, :
+        ]
+        s2 = waveform[..., lag:].unfold(-1, frame_size, frame_size)[
+            ..., :num_of_frames, :
+        ]
+
+        output_frames = (
+            (s1 * s2).sum(-1)
+            / (EPSILON + torch.norm(s1, p=2, dim=-1)).pow(2)
+            / (EPSILON + torch.norm(s2, p=2, dim=-1)).pow(2)
+        )
+
+        output_lag.append(output_frames.unsqueeze(-1))
+
+    nccf = torch.cat(output_lag, -1)
+
+    return nccf
+
+
+def _combine_max(a, b, thresh=0.99):
+    # type: (Tuple[Tensor, Tensor], Tuple[Tensor, Tensor], float) -> Tuple[Tensor, Tensor]
+    """
+    Take value from first if bigger than a multiplicative factor of the second, elementwise.
+    """
+    mask = (a[0] > thresh * b[0])
+    values = mask * a[0] + ~mask * b[0]
+    indices = mask * a[1] + ~mask * b[1]
+    return values, indices
+
+
+def _find_max_per_frame(nccf, sample_rate, freq_high):
+    # type: (Tensor, int, int) -> Tensor
+    r"""
+    For each frame, take the highest value of NCCF,
+    apply centered median smoothing, and convert to frequency.
+
+    Note: If the max among all the lags is very close
+    to the first half of lags, then the latter is taken.
+    """
+
+    lag_min = math.ceil(sample_rate / freq_high)
+
+    # Find near enough max that is smallest
+
+    best = torch.max(nccf[..., lag_min:], -1)
+
+    half_size = nccf.shape[-1] // 2
+    half = torch.max(nccf[..., lag_min:half_size], -1)
+
+    best = _combine_max(half, best)
+    indices = best[1]
+
+    # Add back minimal lag
+    indices += lag_min
+    # Add 1 empirical calibration offset
+    indices += 1
+
+    return indices
+
+
+def _median_smoothing(indices, win_length):
+    # type: (Tensor, int) -> Tensor
+    r"""
+    Apply median smoothing to the 1D tensor over the given window.
+    """
+
+    # Centered windowed
+    pad_length = (win_length - 1) // 2
+
+    # "replicate" padding in any dimension
+    indices = torch.nn.functional.pad(
+        indices, (pad_length, 0), mode="constant", value=0.
+    )
+
+    indices[..., :pad_length] = torch.cat(pad_length * [indices[..., pad_length].unsqueeze(-1)], dim=-1)
+    roll = indices.unfold(-1, win_length, 1)
+
+    values, _ = torch.median(roll, -1)
+    return values
+
+
+
                [docs]def detect_pitch_frequency(
+    waveform,
+    sample_rate,
+    frame_time=10 ** (-2),
+    win_length=30,
+    freq_low=85,
+    freq_high=3400,
+):
+    # type: (Tensor, int, float, int, int, int) -> Tensor
+    r"""Detect pitch frequency.
+
+    It is implemented using normalized cross-correlation function and median smoothing.
+
+    Args:
+        waveform (torch.Tensor): Tensor of audio of dimension (..., freq, time)
+        sample_rate (int): The sample rate of the waveform (Hz)
+        win_length (int): The window length for median smoothing (in number of frames)
+        freq_low (int): Lowest frequency that can be detected (Hz)
+        freq_high (int): Highest frequency that can be detected (Hz)
+
+    Returns:
+        freq (torch.Tensor): Tensor of audio of dimension (..., frame)
+    """
+
+    dim = waveform.dim()
+
+    # pack batch
+    shape = list(waveform.size())
+    waveform = waveform.reshape([-1] + shape[-1:])
+
+    nccf = _compute_nccf(waveform, sample_rate, frame_time, freq_low)
+    indices = _find_max_per_frame(nccf, sample_rate, freq_high)
+    indices = _median_smoothing(indices, win_length)
+
+    # Convert indices to frequency
+    EPSILON = 10 ** (-9)
+    freq = sample_rate / (EPSILON + indices.to(torch.float))
+
+    # unpack batch
+    freq = freq.reshape(shape[:-1] + list(freq.shape[-1:]))
+
+    return freq
    @@ -735,8 +1467,8 @@

    Source code for torchaudio.functional

              
          
          
-         
-         
+         
+         
          
      
 
@@ -878,15 +1610,23 @@ 
    Resources
    
       
    
         
      
           
    • 
-            Get Started
+            Get Started
+          
      • 
+
+          
    • 
+            Features
+          
      • 
+
+          
    • 
+            Ecosystem
           
      • 
 
           
    • 
-            Features
+            Mobile
           
      • 
 
           
    • 
-            Ecosystem
+            PyTorch Hub
           
      • 
 
           
    • 
@@ -925,6 +1665,7 @@ 
      Resources
      
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/_modules/torchaudio/kaldi_io.html b/_modules/torchaudio/kaldi_io.html
index 1b0368f1dd..c0c97f997b 100644
--- a/_modules/torchaudio/kaldi_io.html
+++ b/_modules/torchaudio/kaldi_io.html
@@ -28,13 +28,33 @@
   
   
   
-  
+  
   
     
      
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
      
@@ -49,11 +69,25 @@
           
      • 
 
           
    • 
-            Features
+            
      
+              
+                Ecosystem
+              
+              
      
+                
+                  Models (Beta)
+                  
      Discover, publish, and reuse pre-trained models
      
+                      
+                
+                  Tools & Libraries
+                  
      Explore the ecosystem of tools and libraries
      
+                      
+              
      
+            
      
           
      • 
 
           
    • 
-            Ecosystem
+            Mobile
           
      • 
 
           
    • 
@@ -69,7 +103,21 @@
           
      • 
 
           
    • 
-            Resources
+            
      
+              
+                Resources
+              
+              
      
+                
+                  Developer Resources
+                  
      Find resources and get questions answered
      
+                      
+                
+                  About
+                  
      Learn about PyTorch’s features and capabilities
      
+                      
+              
      
+            
      
           
      • 
 
           
    • 
@@ -394,8 +442,8 @@ 
      Source code for torchaudio.kaldi_io
                
          
          
-         
-         
+         
+         
          
      
 
@@ -537,15 +585,23 @@ 
      Resources
      
       
      
         
        
           
      • 
-            Get Started
+            Get Started
+          
        • 
+
+          
      • 
+            Features
+          
        • 
+
+          
      • 
+            Ecosystem
           
        • 
 
           
      • 
-            Features
+            Mobile
           
        • 
 
           
      • 
-            Ecosystem
+            PyTorch Hub
           
        • 
 
           
      • 
@@ -584,6 +640,7 @@ 
        Resources
        
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/_modules/torchaudio/sox_effects.html b/_modules/torchaudio/sox_effects.html
index fd5ce7d101..7f452cb62e 100644
--- a/_modules/torchaudio/sox_effects.html
+++ b/_modules/torchaudio/sox_effects.html
@@ -28,13 +28,33 @@
   
   
   
-  
+  
   
     
      
 
   
   
+
+  
+
+
+
+
+
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+
+
+
+
+
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+
+
+
+
+
 
 
 
        
@@ -49,11 +69,25 @@
           
        • 
 
           
      • 
-            Features
+            
        
+              
+                Ecosystem
+              
+              
        
+                
+                  Models (Beta)
+                  
        Discover, publish, and reuse pre-trained models
        
+                        
+                
+                  Tools & Libraries
+                  
        Explore the ecosystem of tools and libraries
        
+                        
+              
        
+            
        
           
        • 
 
           
      • 
-            Ecosystem
+            Mobile
           
        • 
 
           
      • 
@@ -69,7 +103,21 @@
           
        • 
 
           
      • 
-            Resources
+            
        
+              
+                Resources
+              
+              
        
+                
+                  Developer Resources
+                  
        Find resources and get questions answered
        
+                        
+                
+                  About
+                  
        Learn about PyTorch’s features and capabilities
        
+                        
+              
        
+            
        
           
        • 
 
           
      • 
@@ -217,11 +265,13 @@
   
        Source code for torchaudio.sox_effects
         from __future__ import absolute_import, division, print_function, unicode_literals
 import torch
-import _torch_sox
 
 import torchaudio
 
+from torchaudio._backend import _audio_backend_guard
+
 
+@_audio_backend_guard("sox")
 def effect_names():
     """Gets list of valid sox effect names
 
@@ -230,16 +280,21 @@ 
        Source code for torchaudio.sox_effects
             Example
         >>> EFFECT_NAMES = torchaudio.sox_effects.effect_names()
     """
+
+    import _torch_sox
     return _torch_sox.get_effect_names()
 
 
-
        [docs]def SoxEffect():
+
        [docs]@_audio_backend_guard("sox")
+def SoxEffect():
     r"""Create an object for passing sox effect information between python and c++
 
     Returns:
         SoxEffect: An object with the following attributes: ename (str) which is the
         name of effect, and eopts (List[str]) which is a list of effect options.
     """
+
+    import _torch_sox
     return _torch_sox.SoxEffect()
        
 
 
@@ -248,7 +303,7 @@ 
        Source code for torchaudio.sox_effects
         
     Args:
         normalization (bool, number, or callable, optional): If boolean `True`, then output is divided by `1 << 31`
-            (assumes signed 32-bit audio), and normalizes to `[0, 1]`. If `number`, then output is divided by that
+            (assumes signed 32-bit audio), and normalizes to `[-1, 1]`. If `number`, then output is divided by that
             number. If `callable`, then the output is passed as a parameter to the given function, then the
             output is divided by the result. (Default: ``True``)
         channels_first (bool, optional): Set channels first or length first in result.  (Default: ``True``)
@@ -288,7 +343,6 @@ 
        Source code for torchaudio.sox_effects
         
     """
 
-    EFFECTS_AVAILABLE = set(effect_names())
     EFFECTS_UNIMPLEMENTED = set(["spectrogram", "splice", "noiseprof", "fir"])
 
     def __init__(self, normalization=True, channels_first=True, out_siginfo=None, out_encinfo=None, filetype="raw"):
@@ -301,6 +355,9 @@ 
        Source code for torchaudio.sox_effects
                 self.normalization = normalization
         self.channels_first = channels_first
 
+        # Define in __init__ to avoid calling at import time
+        self.EFFECTS_AVAILABLE = set(effect_names())
+
 
        [docs]    def append_effect_to_chain(self, ename, eargs=None):
         r"""Append effect to a sox effects chain.
 
@@ -324,7 +381,8 @@ 
        Source code for torchaudio.sox_effects
                 e.eopts = eargs
         self.chain.append(e)
        
 
-
        [docs]    def sox_build_flow_effects(self, out=None):
+
        [docs]    @_audio_backend_guard("sox")
+    def sox_build_flow_effects(self, out=None):
         r"""Build effects chain and flow effects from input file to output tensor
 
         Args:
@@ -347,6 +405,8 @@ 
        Source code for torchaudio.sox_effects
                     self.chain.append(e)
 
         # print("effect options:", [x.eopts for x in self.chain])
+
+        import _torch_sox
         sr = _torch_sox.build_flow_effects(self.input_file,
                                            out,
                                            self.channels_first,
@@ -440,8 +500,8 @@ 
        Source code for torchaudio.sox_effects
                  
          
          
-         
-         
+         
+         
          
      
 
@@ -583,15 +643,23 @@ 
        Resources
        
       
        
         
          
           
        • 
-            Get Started
+            Get Started
+          
          • 
+
+          
        • 
+            Features
+          
          • 
+
+          
        • 
+            Ecosystem
           
          • 
 
           
        • 
-            Features
+            Mobile
           
          • 
 
           
        • 
-            Ecosystem
+            PyTorch Hub
           
          • 
 
           
        • 
@@ -630,6 +698,7 @@ 
          Resources
          
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/_modules/torchaudio/transforms.html b/_modules/torchaudio/transforms.html
index 4a4817e32d..7b59a12dcb 100644
--- a/_modules/torchaudio/transforms.html
+++ b/_modules/torchaudio/transforms.html
@@ -28,13 +28,33 @@
   
   
   
-  
+  
   
     
      
 
   
   
+
+  
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
          
@@ -49,11 +69,25 @@
           
          • 
 
           
        • 
-            Features
+            
          
+              
+                Ecosystem
+              
+              
          
+                
+                  Models (Beta)
+                  
          Discover, publish, and reuse pre-trained models
          
+                          
+                
+                  Tools & Libraries
+                  
          Explore the ecosystem of tools and libraries
          
+                          
+              
          
+            
          
           
          • 
 
           
        • 
-            Ecosystem
+            Mobile
           
          • 
 
           
        • 
@@ -69,7 +103,21 @@
           
          • 
 
           
        • 
-            Resources
+            
          
+              
+                Resources
+              
+              
          
+                
+                  Developer Resources
+                  
          Find resources and get questions answered
          
+                          
+                
+                  About
+                  
          Learn about PyTorch’s features and capabilities
          
+                          
+              
          
+            
          
           
          • 
 
           
        • 
@@ -233,10 +281,14 @@ 
          Source code for torchaudio.transforms
               'MuLawEncoding',
     'MuLawDecoding',
     'Resample',
+    'ComplexNorm',
+    'TimeStretch',
+    'FrequencyMasking',
+    'TimeMasking',
 ]
 
 
-
          [docs]class Spectrogram(torch.jit.ScriptModule):
+
          [docs]class Spectrogram(torch.nn.Module):
     r"""Create a spectrogram from a audio signal
 
     Args:
@@ -264,28 +316,27 @@ 
          Source code for torchaudio.transforms
                   self.win_length = win_length if win_length is not None else n_fft
         self.hop_length = hop_length if hop_length is not None else self.win_length // 2
         window = window_fn(self.win_length) if wkwargs is None else window_fn(self.win_length, **wkwargs)
-        self.window = torch.jit.Attribute(window, torch.Tensor)
+        self.register_buffer('window', window)
         self.pad = pad
         self.power = power
         self.normalized = normalized
 
-
          [docs]    @torch.jit.script_method
-    def forward(self, waveform):
+
          [docs]    def forward(self, waveform):
         r"""
         Args:
-            waveform (torch.Tensor): Tensor of audio of dimension (channel, time)
+            waveform (torch.Tensor): Tensor of audio of dimension (..., time)
 
         Returns:
-            torch.Tensor: Dimension (channel, freq, time), where channel
-            is unchanged, freq is ``n_fft // 2 + 1`` where ``n_fft`` is the number of
-            Fourier bins, and time is the number of window hops (n_frames).
+            torch.Tensor: Dimension (..., freq, time), where freq is
+            ``n_fft // 2 + 1`` where ``n_fft`` is the number of
+            Fourier bins, and time is the number of window hops (n_frame).
         """
         return F.spectrogram(waveform, self.pad, self.window, self.n_fft, self.hop_length,
                              self.win_length, self.power, self.normalized)
          
 
 
 
          [docs]class AmplitudeToDB(torch.jit.ScriptModule):
-    r"""Turns a tensor from the power/amplitude scale to the decibel scale.
+    r"""Turn a tensor from the power/amplitude scale to the decibel scale.
 
     This output depends on the maximum value in the input tensor, and so
     may return different values for an audio clip split into snippets vs. a
@@ -301,7 +352,7 @@ 
          Source code for torchaudio.transforms
           
     def __init__(self, stype='power', top_db=None):
         super(AmplitudeToDB, self).__init__()
-        self.stype = torch.jit.Attribute(stype, str)
+        self.stype = stype
         if top_db is not None and top_db < 0:
             raise ValueError('top_db must be positive value')
         self.top_db = torch.jit.Attribute(top_db, Optional[float])
@@ -310,8 +361,7 @@ 
          Source code for torchaudio.transforms
                   self.ref_value = 1.0
         self.db_multiplier = math.log10(max(self.amin, self.ref_value))
 
-
          [docs]    @torch.jit.script_method
-    def forward(self, x):
+
          [docs]    def forward(self, x):
         r"""Numerically stable implementation from Librosa
         https://librosa.github.io/librosa/_modules/librosa/core/spectrum.html
 
@@ -324,8 +374,8 @@ 
          Source code for torchaudio.transforms
                   return F.amplitude_to_DB(x, self.multiplier, self.amin, self.db_multiplier, self.top_db)
          
 
 
-
          [docs]class MelScale(torch.jit.ScriptModule):
-    r"""This turns a normal STFT into a mel frequency STFT, using a conversion
+
          [docs]class MelScale(torch.nn.Module):
+    r"""Turn a normal STFT into a mel frequency STFT, using a conversion
     matrix.  This uses triangular filter banks.
 
     User can control which device the filter bank (`fb`) is (e.g. fb.to(spec_f.device)).
@@ -345,23 +395,29 @@ 
          Source code for torchaudio.transforms
                   self.n_mels = n_mels
         self.sample_rate = sample_rate
         self.f_max = f_max if f_max is not None else float(sample_rate // 2)
-        assert f_min <= self.f_max, 'Require f_min: %f < f_max: %f' % (f_min, self.f_max)
         self.f_min = f_min
+
+        assert f_min <= self.f_max, 'Require f_min: %f < f_max: %f' % (f_min, self.f_max)
+
         fb = torch.empty(0) if n_stft is None else F.create_fb_matrix(
-            n_stft, self.f_min, self.f_max, self.n_mels)
-        self.fb = torch.jit.Attribute(fb, torch.Tensor)
+            n_stft, self.f_min, self.f_max, self.n_mels, self.sample_rate)
+        self.register_buffer('fb', fb)
 
-
          [docs]    @torch.jit.script_method
-    def forward(self, specgram):
+
          [docs]    def forward(self, specgram):
         r"""
         Args:
-            specgram (torch.Tensor): A spectrogram STFT of dimension (channel, freq, time)
+            specgram (torch.Tensor): A spectrogram STFT of dimension (..., freq, time)
 
         Returns:
-            torch.Tensor: Mel frequency spectrogram of size (channel, ``n_mels``, time)
+            torch.Tensor: Mel frequency spectrogram of size (..., ``n_mels``, time)
         """
+
+        # pack batch
+        shape = specgram.size()
+        specgram = specgram.reshape(-1, shape[-2], shape[-1])
+
         if self.fb.numel() == 0:
-            tmp_fb = F.create_fb_matrix(specgram.size(1), self.f_min, self.f_max, self.n_mels)
+            tmp_fb = F.create_fb_matrix(specgram.size(1), self.f_min, self.f_max, self.n_mels, self.sample_rate)
             # Attributes cannot be reassigned outside __init__ so workaround
             self.fb.resize_(tmp_fb.size())
             self.fb.copy_(tmp_fb)
@@ -369,10 +425,14 @@ 
          Source code for torchaudio.transforms
                   # (channel, frequency, time).transpose(...) dot (frequency, n_mels)
         # -> (channel, time, n_mels).transpose(...)
         mel_specgram = torch.matmul(specgram.transpose(1, 2), self.fb).transpose(1, 2)
+
+        # unpack batch
+        mel_specgram = mel_specgram.reshape(shape[:-2] + mel_specgram.shape[-2:])
+
         return mel_specgram
          
 
 
-
          [docs]class MelSpectrogram(torch.jit.ScriptModule):
+
          [docs]class MelSpectrogram(torch.nn.Module):
     r"""Create MelSpectrogram for a raw audio signal. This is a composition of Spectrogram
     and MelScale.
 
@@ -410,29 +470,28 @@ 
          Source code for torchaudio.transforms
                   self.hop_length = hop_length if hop_length is not None else self.win_length // 2
         self.pad = pad
         self.n_mels = n_mels  # number of mel frequency bins
-        self.f_max = torch.jit.Attribute(f_max, Optional[float])
+        self.f_max = f_max
         self.f_min = f_min
         self.spectrogram = Spectrogram(n_fft=self.n_fft, win_length=self.win_length,
                                        hop_length=self.hop_length,
                                        pad=self.pad, window_fn=window_fn, power=2,
                                        normalized=False, wkwargs=wkwargs)
-        self.mel_scale = MelScale(self.n_mels, self.sample_rate, self.f_min, self.f_max)
+        self.mel_scale = MelScale(self.n_mels, self.sample_rate, self.f_min, self.f_max, self.n_fft // 2 + 1)
 
-
          [docs]    @torch.jit.script_method
-    def forward(self, waveform):
+
          [docs]    def forward(self, waveform):
         r"""
         Args:
-            waveform (torch.Tensor): Tensor of audio of dimension (channel, time)
+            waveform (torch.Tensor): Tensor of audio of dimension (..., time)
 
         Returns:
-            torch.Tensor: Mel frequency spectrogram of size (channel, ``n_mels``, time)
+            torch.Tensor: Mel frequency spectrogram of size (..., ``n_mels``, time)
         """
         specgram = self.spectrogram(waveform)
         mel_specgram = self.mel_scale(specgram)
         return mel_specgram
          
 
 
-
          [docs]class MFCC(torch.jit.ScriptModule):
+
          [docs]class MFCC(torch.nn.Module):
     r"""Create the Mel-frequency cepstrum coefficients from an audio signal
 
     By default, this calculates the MFCC on the DB-scaled Mel spectrogram.
@@ -463,7 +522,7 @@ 
          Source code for torchaudio.transforms
                   self.sample_rate = sample_rate
         self.n_mfcc = n_mfcc
         self.dct_type = dct_type
-        self.norm = torch.jit.Attribute(norm, Optional[str])
+        self.norm = norm
         self.top_db = 80.0
         self.amplitude_to_DB = AmplitudeToDB('power', self.top_db)
 
@@ -475,18 +534,22 @@ 
          Source code for torchaudio.transforms
                   if self.n_mfcc > self.MelSpectrogram.n_mels:
             raise ValueError('Cannot select more MFCC coefficients than # mel bins')
         dct_mat = F.create_dct(self.n_mfcc, self.MelSpectrogram.n_mels, self.norm)
-        self.dct_mat = torch.jit.Attribute(dct_mat, torch.Tensor)
+        self.register_buffer('dct_mat', dct_mat)
         self.log_mels = log_mels
 
-
          [docs]    @torch.jit.script_method
-    def forward(self, waveform):
+
          [docs]    def forward(self, waveform):
         r"""
         Args:
-            waveform (torch.Tensor): Tensor of audio of dimension (channel, time)
+            waveform (torch.Tensor): Tensor of audio of dimension (..., time)
 
         Returns:
-            torch.Tensor: specgram_mel_db of size (channel, ``n_mfcc``, time)
+            torch.Tensor: specgram_mel_db of size (..., ``n_mfcc``, time)
         """
+
+        # pack batch
+        shape = waveform.size()
+        waveform = waveform.reshape(-1, shape[-1])
+
         mel_specgram = self.MelSpectrogram(waveform)
         if self.log_mels:
             log_offset = 1e-6
@@ -496,10 +559,14 @@ 
          Source code for torchaudio.transforms
                   # (channel, n_mels, time).tranpose(...) dot (n_mels, n_mfcc)
         # -> (channel, time, n_mfcc).tranpose(...)
         mfcc = torch.matmul(mel_specgram.transpose(1, 2), self.dct_mat).transpose(1, 2)
+
+        # unpack batch
+        mfcc = mfcc.reshape(shape[:-1] + mfcc.shape[-2:])
+
         return mfcc
          
 
 
-
          [docs]class MuLawEncoding(torch.jit.ScriptModule):
+
          [docs]class MuLawEncoding(torch.nn.Module):
     r"""Encode signal based on mu-law companding.  For more info see the
     `Wikipedia Entry <https://en.wikipedia.org/wiki/%CE%9C-law_algorithm>`_
 
@@ -515,8 +582,7 @@ 
          Source code for torchaudio.transforms
                   super(MuLawEncoding, self).__init__()
         self.quantization_channels = quantization_channels
 
-
          [docs]    @torch.jit.script_method
-    def forward(self, x):
+
          [docs]    def forward(self, x):
         r"""
         Args:
             x (torch.Tensor): A signal to be encoded
@@ -527,7 +593,7 @@ 
          Source code for torchaudio.transforms
                   return F.mu_law_encoding(x, self.quantization_channels)
          
 
 
-
          [docs]class MuLawDecoding(torch.jit.ScriptModule):
+
          [docs]class MuLawDecoding(torch.nn.Module):
     r"""Decode mu-law encoded signal.  For more info see the
     `Wikipedia Entry <https://en.wikipedia.org/wiki/%CE%9C-law_algorithm>`_
 
@@ -543,8 +609,7 @@ 
          Source code for torchaudio.transforms
                   super(MuLawDecoding, self).__init__()
         self.quantization_channels = quantization_channels
 
-
          [docs]    @torch.jit.script_method
-    def forward(self, x_mu):
+
          [docs]    def forward(self, x_mu):
         r"""
         Args:
             x_mu (torch.Tensor): A mu-law encoded signal which needs to be decoded
@@ -556,7 +621,7 @@ 
          Source code for torchaudio.transforms
           
 
 
          [docs]class Resample(torch.nn.Module):
-    r"""Resamples a signal from one frequency to another. A resampling method can
+    r"""Resample a signal from one frequency to another. A resampling method can
     be given.
 
     Args:
@@ -573,15 +638,172 @@ 
          Source code for torchaudio.transforms
           
          [docs]    def forward(self, waveform):
         r"""
         Args:
-            waveform (torch.Tensor): The input signal of dimension (channel, time)
+            waveform (torch.Tensor): The input signal of dimension (..., time)
 
         Returns:
-            torch.Tensor: Output signal of dimension (channel, time)
+            torch.Tensor: Output signal of dimension (..., time)
         """
         if self.resampling_method == 'sinc_interpolation':
             return kaldi.resample_waveform(waveform, self.orig_freq, self.new_freq)
 
         raise ValueError('Invalid resampling method: %s' % (self.resampling_method))
          
+
+
+
          [docs]class ComplexNorm(torch.nn.Module):
+    r"""Compute the norm of complex tensor input
+    Args:
+        power (float): Power of the norm. Defaults to `1.0`.
+    """
+    __constants__ = ['power']
+
+    def __init__(self, power=1.0):
+        super(ComplexNorm, self).__init__()
+        self.power = power
+
+
          [docs]    def forward(self, complex_tensor):
+        r"""
+        Args:
+            complex_tensor (Tensor): Tensor shape of `(..., complex=2)`
+        Returns:
+            Tensor: norm of the input tensor, shape of `(..., )`
+        """
+        return F.complex_norm(complex_tensor, self.power)
          
+
+
+
          [docs]class ComputeDeltas(torch.nn.Module):
+    r"""Compute delta coefficients of a tensor, usually a spectrogram.
+
+    See `torchaudio.functional.compute_deltas` for more details.
+
+    Args:
+        win_length (int): The window length used for computing delta.
+    """
+    __constants__ = ['win_length']
+
+    def __init__(self, win_length=5, mode="replicate"):
+        super(ComputeDeltas, self).__init__()
+        self.win_length = win_length
+        self.mode = mode
+
+
          [docs]    def forward(self, specgram):
+        r"""
+        Args:
+            specgram (torch.Tensor): Tensor of audio of dimension (..., freq, time)
+
+        Returns:
+            deltas (torch.Tensor): Tensor of audio of dimension (..., freq, time)
+        """
+        return F.compute_deltas(specgram, win_length=self.win_length, mode=self.mode)
          
+
+
+
          [docs]class TimeStretch(torch.jit.ScriptModule):
+    r"""Stretch stft in time without modifying pitch for a given rate.
+
+    Args:
+        hop_length (int): Number audio of frames between STFT columns. (Default: ``n_fft // 2``)
+        n_freq (int, optional): number of filter banks from stft. (Default: ``201``)
+        fixed_rate (float): rate to speed up or slow down by.
+            If None is provided, rate must be passed to the forward method. (Default: ``None``)
+    """
+    __constants__ = ['fixed_rate']
+
+    def __init__(self, hop_length=None, n_freq=201, fixed_rate=None):
+        super(TimeStretch, self).__init__()
+
+        self.fixed_rate = fixed_rate
+
+        n_fft = (n_freq - 1) * 2
+        hop_length = hop_length if hop_length is not None else n_fft // 2
+        phase_advance = torch.linspace(0, math.pi * hop_length, n_freq)[..., None]
+        self.phase_advance = torch.jit.Attribute(phase_advance, torch.Tensor)
+
+
          [docs]    def forward(self, complex_specgrams, overriding_rate=None):
+        # type: (Tensor, Optional[float]) -> Tensor
+        r"""
+        Args:
+            complex_specgrams (Tensor): complex spectrogram (..., freq, time, complex=2)
+            overriding_rate (float or None): speed up to apply to this batch.
+                If no rate is passed, use ``self.fixed_rate``
+
+        Returns:
+            (Tensor): Stretched complex spectrogram of dimension (..., freq, ceil(time/rate), complex=2)
+        """
+        assert complex_specgrams.size(-1) == 2, "complex_specgrams should be a complex tensor, shape (..., complex=2)"
+
+        if overriding_rate is None:
+            rate = self.fixed_rate
+            if rate is None:
+                raise ValueError("If no fixed_rate is specified"
+                                 ", must pass a valid rate to the forward method.")
+        else:
+            rate = overriding_rate
+
+        if rate == 1.0:
+            return complex_specgrams
+
+        return F.phase_vocoder(complex_specgrams, rate, self.phase_advance)
          
+
+
+class _AxisMasking(torch.nn.Module):
+    r"""Apply masking to a spectrogram.
+
+    Args:
+        mask_param (int): Maximum possible length of the mask
+        axis: What dimension the mask is applied on
+        iid_masks (bool): Applies iid masks to each of the examples in the batch dimension
+    """
+    __constants__ = ['mask_param', 'axis', 'iid_masks']
+
+    def __init__(self, mask_param, axis, iid_masks):
+
+        super(_AxisMasking, self).__init__()
+        self.mask_param = mask_param
+        self.axis = axis
+        self.iid_masks = iid_masks
+
+    def forward(self, specgram, mask_value=0.):
+        # type: (Tensor, float) -> Tensor
+        r"""
+        Args:
+            specgram (torch.Tensor): Tensor of dimension (..., freq, time)
+
+        Returns:
+            torch.Tensor: Masked spectrogram of dimensions (..., freq, time)
+        """
+
+        # if iid_masks flag marked and specgram has a batch dimension
+        if self.iid_masks and specgram.dim() == 4:
+            return F.mask_along_axis_iid(specgram, self.mask_param, mask_value, self.axis + 1)
+        else:
+            return F.mask_along_axis(specgram, self.mask_param, mask_value, self.axis)
+
+
+
          [docs]class FrequencyMasking(_AxisMasking):
+    r"""Apply masking to a spectrogram in the frequency domain.
+
+    Args:
+        freq_mask_param (int): maximum possible length of the mask.
+            Indices uniformly sampled from [0, freq_mask_param).
+        iid_masks (bool): weather to apply the same mask to all
+            the examples/channels in the batch. (Default: False)
+    """
+
+    def __init__(self, freq_mask_param, iid_masks=False):
+        super(FrequencyMasking, self).__init__(freq_mask_param, 1, iid_masks)
          
+
+
+
          [docs]class TimeMasking(_AxisMasking):
+    r"""Apply masking to a spectrogram in the time domain.
+
+    Args:
+        time_mask_param (int): maximum possible length of the mask.
+            Indices uniformly sampled from [0, time_mask_param).
+        iid_masks (bool): weather to apply the same mask to all
+            the examples/channels in the batch. Defaults to False.
+    """
+
+    def __init__(self, time_mask_param, iid_masks=False):
+        super(TimeMasking, self).__init__(time_mask_param, 2, iid_masks)
          
 
          
 
              
@@ -634,8 +856,8 @@ 
          Source code for torchaudio.transforms
                    
          
          
-         
-         
+         
+         
          
      
 
@@ -777,15 +999,23 @@ 
          Resources
          
       
          
         
            
           
          • 
-            Get Started
+            Get Started
+          
            • 
+
+          
          • 
+            Features
+          
            • 
+
+          
          • 
+            Ecosystem
           
            • 
 
           
          • 
-            Features
+            Mobile
           
            • 
 
           
          • 
-            Ecosystem
+            PyTorch Hub
           
            • 
 
           
          • 
@@ -824,6 +1054,7 @@ 
            Resources
            
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/_sources/datasets.rst.txt b/_sources/datasets.rst.txt
index eef25da616..313a8eedc6 100644
--- a/_sources/datasets.rst.txt
+++ b/_sources/datasets.rst.txt
@@ -25,15 +25,31 @@ All the datasets have almost similar API. They all have two common arguments:
 .. currentmodule:: torchaudio.datasets 
 
 
+COMMONVOICE
+~~~~~~~~~~~
+
+.. autoclass:: COMMONVOICE
+  :members: __getitem__
+  :special-members:
+
+
+LIBRISPEECH
+~~~~~~~~~~~
+
+.. autoclass:: LIBRISPEECH
+  :members: __getitem__
+  :special-members:
+
+
 VCTK
-~~~~~
+~~~~
 
 .. autoclass:: VCTK
   :members: __getitem__
   :special-members:
 
 YESNO
-~~~~~~~~~~~~~
+~~~~~
 
 .. autoclass:: YESNO
   :members: __getitem__
diff --git a/_sources/functional.rst.txt b/_sources/functional.rst.txt
index a8d57bb36c..faa278c80b 100644
--- a/_sources/functional.rst.txt
+++ b/_sources/functional.rst.txt
@@ -62,3 +62,48 @@ Functions to perform common audio operations.
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. autofunction:: phase_vocoder
+
+:hidden:`lfilter`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: lfilter
+
+:hidden:`biquad`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: biquad
+
+:hidden:`lowpass_biquad`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: lowpass_biquad
+
+:hidden:`highpass_biquad`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: highpass_biquad
+
+:hidden:`equalizer_biquad`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: equalizer_biquad
+
+:hidden:`mask_along_axis`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: mask_along_axis
+
+:hidden:`mask_along_axis_iid`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: mask_along_axis_iid
+
+:hidden:`compute_deltas`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: compute_deltas
+
+:hidden:`detect_pitch_frequency`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autofunction:: detect_pitch_frequency
diff --git a/_sources/transforms.rst.txt b/_sources/transforms.rst.txt
index ac2c733ac6..3ad461a6b6 100644
--- a/_sources/transforms.rst.txt
+++ b/_sources/transforms.rst.txt
@@ -14,53 +14,88 @@ Transforms are common audio transforms. They can be chained together using :clas
 
 .. autoclass:: Spectrogram
 
-  .. automethod:: torchaudio._docs.Spectrogram.forward
+  .. automethod:: forward
 
 :hidden:`AmplitudeToDB`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. autoclass:: AmplitudeToDB
 
-  .. automethod:: torchaudio._docs.AmplitudeToDB.forward
+  .. automethod:: forward
 
 :hidden:`MelScale`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. autoclass:: MelScale
 
-  .. automethod:: torchaudio._docs.MelScale.forward
+  .. automethod:: forward
 
 :hidden:`MelSpectrogram`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. autoclass:: MelSpectrogram
 
-  .. automethod:: torchaudio._docs.MelSpectrogram.forward
+  .. automethod:: forward
 
 :hidden:`MFCC`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. autoclass:: MFCC
 
-  .. automethod:: torchaudio._docs.MFCC.forward
+  .. automethod:: forward
 
 :hidden:`MuLawEncoding`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. autoclass:: MuLawEncoding
 
-  .. automethod:: torchaudio._docs.MuLawEncoding.forward
+  .. automethod:: forward
 
 :hidden:`MuLawDecoding`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. autoclass:: MuLawDecoding
 
-  .. automethod:: torchaudio._docs.MuLawDecoding.forward
+  .. automethod:: forward
 
 :hidden:`Resample`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. autoclass:: Resample
 
-  .. automethod:: torchaudio._docs.Resample.forward
+  .. automethod:: forward
+
+:hidden:`ComplexNorm`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autoclass:: ComplexNorm
+
+  .. automethod:: forward
+
+:hidden:`ComputeDeltas`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autoclass:: ComputeDeltas
+
+  .. automethod:: forward
+
+:hidden:`TimeStretch`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autoclass:: TimeStretch
+
+  .. automethod:: forward
+
+:hidden:`FrequencyMasking`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autoclass:: FrequencyMasking
+
+  .. automethod:: forward
+
+:hidden:`TimeMasking`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. autoclass:: TimeMasking
+
+  .. automethod:: forward
diff --git a/_static/basic.css b/_static/basic.css
index c41d718e42..ea6972d552 100644
--- a/_static/basic.css
+++ b/_static/basic.css
@@ -520,14 +520,15 @@ dl.citation > dd:after {
 }
 
 dl.field-list {
-    display: flex;
-    flex-wrap: wrap;
+    display: grid;
+    grid-template-columns: fit-content(30%) auto;
 }
 
 dl.field-list > dt {
-    flex-basis: 20%;
     font-weight: bold;
     word-break: break-word;
+    padding-left: 0.5em;
+    padding-right: 5px;
 }
 
 dl.field-list > dt:after {
@@ -535,8 +536,8 @@ dl.field-list > dt:after {
 }
 
 dl.field-list > dd {
-    flex-basis: 70%;
-    padding-left: 1em;
+    padding-left: 0.5em;
+    margin-top: 0em;
     margin-left: 0em;
     margin-bottom: 0em;
 }
diff --git a/_static/css/theme.css b/_static/css/theme.css
index fe2862f7ba..c1ee712702 100644
--- a/_static/css/theme.css
+++ b/_static/css/theme.css
@@ -1,8 +1,11998 @@
+@charset "UTF-8";
 /*!
  * Bootstrap v4.0.0 (https://getbootstrap.com)
  * Copyright 2011-2018 The Bootstrap Authors
  * Copyright 2011-2018 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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a:hover{cursor:pointer}.pytorch-left-menu a:active,.pytorch-right-menu a:active{cursor:pointer}.pytorch-left-menu ul{padding-left:0}.pytorch-right-menu a:link,.pytorch-right-menu a:visited,.pytorch-right-menu a:hover{color:#6c6c6d}.pytorch-right-menu a:link span.pre,.pytorch-right-menu a:visited span.pre,.pytorch-right-menu a:hover span.pre{color:#6c6c6d}.pytorch-right-menu a.reference.internal.expanded:before{content:"-";font-family:monospace;position:absolute;left:-12px}.pytorch-right-menu a.reference.internal.not-expanded:before{content:"+";font-family:monospace;position:absolute;left:-12px}.pytorch-right-menu li.active>a{color:#ee4c2c}.pytorch-right-menu li.active>a span.pre,.pytorch-right-menu li.active>a:before{color:#ee4c2c}.pytorch-right-menu li.active>a:after{content:"\2022";color:#e44c2c;display:inline-block;font-size:1.375rem;left:-17px;position:absolute;top:1px}.pytorch-right-menu .pytorch-side-scroll>ul>li>ul>li{margin-bottom:0}.pytorch-right-menu ul ul{padding-left:0}.pytorch-right-menu ul ul li{padding-left:0px}.pytorch-right-menu ul ul li a.reference.internal{padding-left:0}.pytorch-right-menu ul ul li ul{display:none;padding-left:10px}.pytorch-right-menu ul ul li li a.reference.internal{padding-left:0}.pytorch-right-menu li ul{display:block}.pytorch-right-menu .pytorch-side-scroll{padding-top:20px}@media screen and (min-width: 1101px){.pytorch-right-menu .pytorch-side-scroll{width:120%}}@media screen and (min-width: 1600px){.pytorch-right-menu .pytorch-side-scroll{width:400px}}.pytorch-right-menu .pytorch-side-scroll>ul{padding-left:10%;padding-right:10%;margin-bottom:0}@media screen and (min-width: 1600px){.pytorch-right-menu .pytorch-side-scroll>ul{padding-left:25px}}.pytorch-right-menu .pytorch-side-scroll>ul>li>a.reference.internal{color:#262626;font-weight:500}.pytorch-right-menu .pytorch-side-scroll ul li{position:relative}.header-container{max-width:none;margin-top:4px}@media screen and (min-width: 1101px){.header-container{margin-top:0}}@media screen and (min-width: 1600px){.header-container{margin-top:0}}.container-fluid.header-holder{padding-right:0;padding-left:0}.header-holder .container{max-width:none;padding-right:1.875rem;padding-left:1.875rem}@media screen and (min-width: 1101px){.header-holder .container{padding-right:1.875rem;padding-left:1.875rem}}.header-holder .main-menu{-webkit-box-pack:unset;-ms-flex-pack:unset;justify-content:unset;position:relative}@media screen and (min-width: 1101px){.header-holder .main-menu ul{padding-left:0;margin-left:26%}}@media screen and (min-width: 1600px){.header-holder .main-menu ul{padding-left:38px;margin-left:310px}}.pytorch-page-level-bar{display:none;-webkit-box-align:center;-ms-flex-align:center;align-items:center;background-color:#fff;border-bottom:1px solid #e2e2e2;width:100%;z-index:201}@media screen and (min-width: 1101px){.pytorch-page-level-bar{left:0;display:-webkit-box;display:-ms-flexbox;display:flex;height:45px;padding-left:0;width:100%;position:absolute}.pytorch-page-level-bar.left-menu-is-fixed{position:fixed;top:0;left:25%;padding-left:0;right:0;width:75%}}@media screen and (min-width: 1600px){.pytorch-page-level-bar{left:0;right:0;width:auto}.pytorch-page-level-bar.left-menu-is-fixed{left:350px;right:0;width:auto}}.pytorch-page-level-bar ul,.pytorch-page-level-bar li{margin:0}.pytorch-shortcuts-wrapper{display:none}@media screen and (min-width: 1101px){.pytorch-shortcuts-wrapper{font-size:.875rem;float:left;margin-left:2%}}@media screen and (min-width: 1600px){.pytorch-shortcuts-wrapper{margin-left:1.875rem}}.cookie-banner-wrapper{display:none}.cookie-banner-wrapper .container{padding-left:1.875rem;padding-right:1.875rem;max-width:1240px}.cookie-banner-wrapper.is-visible{display:block;position:fixed;bottom:0;background-color:#f3f4f7;min-height:100px;width:100%;z-index:401;border-top:3px solid #ededee}.cookie-banner-wrapper .gdpr-notice{color:#6c6c6d;margin-top:1.5625rem;text-align:left;max-width:1440px}@media screen and (min-width: 768px){.cookie-banner-wrapper .gdpr-notice{width:77%}}@media (min-width: 768px) and (max-width: 1239px){.cookie-banner-wrapper .gdpr-notice{width:inherit}}.cookie-banner-wrapper .gdpr-notice .cookie-policy-link{color:#343434}.cookie-banner-wrapper .close-button{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:1px solid #f3f4f7;height:1.3125rem;position:absolute;bottom:42px;right:0;top:0;cursor:pointer;outline:none}@media screen and (min-width: 768px){.cookie-banner-wrapper .close-button{right:20%;top:inherit}}@media (min-width: 768px) and (max-width: 1239px){.cookie-banner-wrapper .close-button{right:0;top:0}}
+ */
+:root {
+  --blue: #007bff;
+  --indigo: #6610f2;
+  --purple: #6f42c1;
+  --pink: #e83e8c;
+  --red: #dc3545;
+  --orange: #fd7e14;
+  --yellow: #ffc107;
+  --green: #28a745;
+  --teal: #20c997;
+  --cyan: #17a2b8;
+  --white: #fff;
+  --gray: #6c757d;
+  --gray-dark: #343a40;
+  --primary: #007bff;
+  --secondary: #6c757d;
+  --success: #28a745;
+  --info: #17a2b8;
+  --warning: #ffc107;
+  --danger: #dc3545;
+  --light: #f8f9fa;
+  --dark: #343a40;
+  --breakpoint-xs: 0;
+  --breakpoint-sm: 576px;
+  --breakpoint-md: 768px;
+  --breakpoint-lg: 992px;
+  --breakpoint-xl: 1200px;
+  --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+}
+
+*,
+*::before,
+*::after {
+  -webkit-box-sizing: border-box;
+          box-sizing: border-box;
+}
+
+html {
+  font-family: sans-serif;
+  line-height: 1.15;
+  -webkit-text-size-adjust: 100%;
+  -ms-text-size-adjust: 100%;
+  -ms-overflow-style: scrollbar;
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+}
+
+@-ms-viewport {
+  width: device-width;
+}
+article, aside, dialog, figcaption, figure, footer, header, hgroup, main, nav, section {
+  display: block;
+}
+
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+  font-size: 1rem;
+  font-weight: 400;
+  line-height: 1.5;
+  color: #212529;
+  text-align: left;
+  background-color: #fff;
+}
+
+[tabindex="-1"]:focus {
+  outline: 0 !important;
+}
+
+hr {
+  -webkit-box-sizing: content-box;
+          box-sizing: content-box;
+  height: 0;
+  overflow: visible;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  margin-top: 0;
+  margin-bottom: 0.5rem;
+}
+
+p {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+abbr[title],
+abbr[data-original-title] {
+  text-decoration: underline;
+  -webkit-text-decoration: underline dotted;
+          text-decoration: underline dotted;
+  cursor: help;
+  border-bottom: 0;
+}
+
+address {
+  margin-bottom: 1rem;
+  font-style: normal;
+  line-height: inherit;
+}
+
+ol,
+ul,
+dl {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+ol ol,
+ul ul,
+ol ul,
+ul ol {
+  margin-bottom: 0;
+}
+
+dt {
+  font-weight: 700;
+}
+
+dd {
+  margin-bottom: .5rem;
+  margin-left: 0;
+}
+
+blockquote {
+  margin: 0 0 1rem;
+}
+
+dfn {
+  font-style: italic;
+}
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+small {
+  font-size: 80%;
+}
+
+sub,
+sup {
+  position: relative;
+  font-size: 75%;
+  line-height: 0;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -.25em;
+}
+
+sup {
+  top: -.5em;
+}
+
+a {
+  color: #007bff;
+  text-decoration: none;
+  background-color: transparent;
+  -webkit-text-decoration-skip: objects;
+}
+a:hover {
+  color: #0056b3;
+  text-decoration: underline;
+}
+
+a:not([href]):not([tabindex]) {
+  color: inherit;
+  text-decoration: none;
+}
+a:not([href]):not([tabindex]):hover, a:not([href]):not([tabindex]):focus {
+  color: inherit;
+  text-decoration: none;
+}
+a:not([href]):not([tabindex]):focus {
+  outline: 0;
+}
+
+pre,
+code,
+kbd,
+samp {
+  font-family: monospace, monospace;
+  font-size: 1em;
+}
+
+pre {
+  margin-top: 0;
+  margin-bottom: 1rem;
+  overflow: auto;
+  -ms-overflow-style: scrollbar;
+}
+
+figure {
+  margin: 0 0 1rem;
+}
+
+img {
+  vertical-align: middle;
+  border-style: none;
+}
+
+svg:not(:root) {
+  overflow: hidden;
+}
+
+table {
+  border-collapse: collapse;
+}
+
+caption {
+  padding-top: 0.75rem;
+  padding-bottom: 0.75rem;
+  color: #6c757d;
+  text-align: left;
+  caption-side: bottom;
+}
+
+th {
+  text-align: inherit;
+}
+
+label {
+  display: inline-block;
+  margin-bottom: .5rem;
+}
+
+button {
+  border-radius: 0;
+}
+
+button:focus {
+  outline: 1px dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+}
+
+input,
+button,
+select,
+optgroup,
+textarea {
+  margin: 0;
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+
+button,
+input {
+  overflow: visible;
+}
+
+button,
+select {
+  text-transform: none;
+}
+
+button,
+html [type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  padding: 0;
+  border-style: none;
+}
+
+input[type="radio"],
+input[type="checkbox"] {
+  -webkit-box-sizing: border-box;
+          box-sizing: border-box;
+  padding: 0;
+}
+
+input[type="date"],
+input[type="time"],
+input[type="datetime-local"],
+input[type="month"] {
+  -webkit-appearance: listbox;
+}
+
+textarea {
+  overflow: auto;
+  resize: vertical;
+}
+
+fieldset {
+  min-width: 0;
+  padding: 0;
+  margin: 0;
+  border: 0;
+}
+
+legend {
+  display: block;
+  width: 100%;
+  max-width: 100%;
+  padding: 0;
+  margin-bottom: .5rem;
+  font-size: 1.5rem;
+  line-height: inherit;
+  color: inherit;
+  white-space: normal;
+}
+
+progress {
+  vertical-align: baseline;
+}
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+[type="search"] {
+  outline-offset: -2px;
+  -webkit-appearance: none;
+}
+
+[type="search"]::-webkit-search-cancel-button,
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+::-webkit-file-upload-button {
+  font: inherit;
+  -webkit-appearance: button;
+}
+
+output {
+  display: inline-block;
+}
+
+summary {
+  display: list-item;
+  cursor: pointer;
+}
+
+template {
+  display: none;
+}
+
+[hidden] {
+  display: none !important;
+}
+
+h1, h2, h3, h4, h5, h6,
+.h1, .h2, .h3, .h4, .h5, .h6 {
+  margin-bottom: 0.5rem;
+  font-family: inherit;
+  font-weight: 500;
+  line-height: 1.2;
+  color: inherit;
+}
+
+h1, .h1 {
+  font-size: 2.5rem;
+}
+
+h2, .h2 {
+  font-size: 2rem;
+}
+
+h3, .h3 {
+  font-size: 1.75rem;
+}
+
+h4, .h4 {
+  font-size: 1.5rem;
+}
+
+h5, .h5 {
+  font-size: 1.25rem;
+}
+
+h6, .h6 {
+  font-size: 1rem;
+}
+
+.lead {
+  font-size: 1.25rem;
+  font-weight: 300;
+}
+
+.display-1 {
+  font-size: 6rem;
+  font-weight: 300;
+  line-height: 1.2;
+}
+
+.display-2 {
+  font-size: 5.5rem;
+  font-weight: 300;
+  line-height: 1.2;
+}
+
+.display-3 {
+  font-size: 4.5rem;
+  font-weight: 300;
+  line-height: 1.2;
+}
+
+.display-4 {
+  font-size: 3.5rem;
+  font-weight: 300;
+  line-height: 1.2;
+}
+
+hr {
+  margin-top: 1rem;
+  margin-bottom: 1rem;
+  border: 0;
+  border-top: 1px solid rgba(0, 0, 0, 0.1);
+}
+
+small,
+.small {
+  font-size: 80%;
+  font-weight: 400;
+}
+
+mark,
+.mark {
+  padding: 0.2em;
+  background-color: #fcf8e3;
+}
+
+.list-unstyled {
+  padding-left: 0;
+  list-style: none;
+}
+
+.list-inline {
+  padding-left: 0;
+  list-style: none;
+}
+
+.list-inline-item {
+  display: inline-block;
+}
+.list-inline-item:not(:last-child) {
+  margin-right: 0.5rem;
+}
+
+.initialism {
+  font-size: 90%;
+  text-transform: uppercase;
+}
+
+.blockquote {
+  margin-bottom: 1rem;
+  font-size: 1.25rem;
+}
+
+.blockquote-footer {
+  display: block;
+  font-size: 80%;
+  color: #6c757d;
+}
+.blockquote-footer::before {
+  content: "\2014 \00A0";
+}
+
+.img-fluid {
+  max-width: 100%;
+  height: auto;
+}
+
+.img-thumbnail {
+  padding: 0.25rem;
+  background-color: #fff;
+  border: 1px solid #dee2e6;
+  border-radius: 0.25rem;
+  max-width: 100%;
+  height: auto;
+}
+
+.figure {
+  display: inline-block;
+}
+
+.figure-img {
+  margin-bottom: 0.5rem;
+  line-height: 1;
+}
+
+.figure-caption {
+  font-size: 90%;
+  color: #6c757d;
+}
+
+code,
+kbd,
+pre,
+samp {
+  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+}
+
+code {
+  font-size: 87.5%;
+  color: #e83e8c;
+  word-break: break-word;
+}
+a > code {
+  color: inherit;
+}
+
+kbd {
+  padding: 0.2rem 0.4rem;
+  font-size: 87.5%;
+  color: #fff;
+  background-color: #212529;
+  border-radius: 0.2rem;
+}
+kbd kbd {
+  padding: 0;
+  font-size: 100%;
+  font-weight: 700;
+}
+
+pre {
+  display: block;
+  font-size: 87.5%;
+  color: #212529;
+}
+pre code {
+  font-size: inherit;
+  color: inherit;
+  word-break: normal;
+}
+
+.pre-scrollable {
+  max-height: 340px;
+  overflow-y: scroll;
+}
+
+.container {
+  width: 100%;
+  padding-right: 15px;
+  padding-left: 15px;
+  margin-right: auto;
+  margin-left: auto;
+}
+@media (min-width: 576px) {
+  .container {
+    max-width: 540px;
+  }
+}
+@media (min-width: 768px) {
+  .container {
+    max-width: 720px;
+  }
+}
+@media (min-width: 992px) {
+  .container {
+    max-width: 960px;
+  }
+}
+@media (min-width: 1200px) {
+  .container {
+    max-width: 1140px;
+  }
+}
+
+.container-fluid {
+  width: 100%;
+  padding-right: 15px;
+  padding-left: 15px;
+  margin-right: auto;
+  margin-left: auto;
+}
+
+.row {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  margin-right: -15px;
+  margin-left: -15px;
+}
+
+.no-gutters {
+  margin-right: 0;
+  margin-left: 0;
+}
+.no-gutters > .col,
+.no-gutters > [class*="col-"] {
+  padding-right: 0;
+  padding-left: 0;
+}
+
+.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col,
+.col-auto, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm,
+.col-sm-auto, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md,
+.col-md-auto, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg,
+.col-lg-auto, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl,
+.col-xl-auto {
+  position: relative;
+  width: 100%;
+  min-height: 1px;
+  padding-right: 15px;
+  padding-left: 15px;
+}
+
+.col {
+  -ms-flex-preferred-size: 0;
+      flex-basis: 0;
+  -webkit-box-flex: 1;
+      -ms-flex-positive: 1;
+          flex-grow: 1;
+  max-width: 100%;
+}
+
+.col-auto {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 auto;
+          flex: 0 0 auto;
+  width: auto;
+  max-width: none;
+}
+
+.col-1 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 8.3333333333%;
+          flex: 0 0 8.3333333333%;
+  max-width: 8.3333333333%;
+}
+
+.col-2 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 16.6666666667%;
+          flex: 0 0 16.6666666667%;
+  max-width: 16.6666666667%;
+}
+
+.col-3 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 25%;
+          flex: 0 0 25%;
+  max-width: 25%;
+}
+
+.col-4 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 33.3333333333%;
+          flex: 0 0 33.3333333333%;
+  max-width: 33.3333333333%;
+}
+
+.col-5 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 41.6666666667%;
+          flex: 0 0 41.6666666667%;
+  max-width: 41.6666666667%;
+}
+
+.col-6 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 50%;
+          flex: 0 0 50%;
+  max-width: 50%;
+}
+
+.col-7 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 58.3333333333%;
+          flex: 0 0 58.3333333333%;
+  max-width: 58.3333333333%;
+}
+
+.col-8 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 66.6666666667%;
+          flex: 0 0 66.6666666667%;
+  max-width: 66.6666666667%;
+}
+
+.col-9 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 75%;
+          flex: 0 0 75%;
+  max-width: 75%;
+}
+
+.col-10 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 83.3333333333%;
+          flex: 0 0 83.3333333333%;
+  max-width: 83.3333333333%;
+}
+
+.col-11 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 91.6666666667%;
+          flex: 0 0 91.6666666667%;
+  max-width: 91.6666666667%;
+}
+
+.col-12 {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 100%;
+          flex: 0 0 100%;
+  max-width: 100%;
+}
+
+.order-first {
+  -webkit-box-ordinal-group: 0;
+      -ms-flex-order: -1;
+          order: -1;
+}
+
+.order-last {
+  -webkit-box-ordinal-group: 14;
+      -ms-flex-order: 13;
+          order: 13;
+}
+
+.order-0 {
+  -webkit-box-ordinal-group: 1;
+      -ms-flex-order: 0;
+          order: 0;
+}
+
+.order-1 {
+  -webkit-box-ordinal-group: 2;
+      -ms-flex-order: 1;
+          order: 1;
+}
+
+.order-2 {
+  -webkit-box-ordinal-group: 3;
+      -ms-flex-order: 2;
+          order: 2;
+}
+
+.order-3 {
+  -webkit-box-ordinal-group: 4;
+      -ms-flex-order: 3;
+          order: 3;
+}
+
+.order-4 {
+  -webkit-box-ordinal-group: 5;
+      -ms-flex-order: 4;
+          order: 4;
+}
+
+.order-5 {
+  -webkit-box-ordinal-group: 6;
+      -ms-flex-order: 5;
+          order: 5;
+}
+
+.order-6 {
+  -webkit-box-ordinal-group: 7;
+      -ms-flex-order: 6;
+          order: 6;
+}
+
+.order-7 {
+  -webkit-box-ordinal-group: 8;
+      -ms-flex-order: 7;
+          order: 7;
+}
+
+.order-8 {
+  -webkit-box-ordinal-group: 9;
+      -ms-flex-order: 8;
+          order: 8;
+}
+
+.order-9 {
+  -webkit-box-ordinal-group: 10;
+      -ms-flex-order: 9;
+          order: 9;
+}
+
+.order-10 {
+  -webkit-box-ordinal-group: 11;
+      -ms-flex-order: 10;
+          order: 10;
+}
+
+.order-11 {
+  -webkit-box-ordinal-group: 12;
+      -ms-flex-order: 11;
+          order: 11;
+}
+
+.order-12 {
+  -webkit-box-ordinal-group: 13;
+      -ms-flex-order: 12;
+          order: 12;
+}
+
+.offset-1 {
+  margin-left: 8.3333333333%;
+}
+
+.offset-2 {
+  margin-left: 16.6666666667%;
+}
+
+.offset-3 {
+  margin-left: 25%;
+}
+
+.offset-4 {
+  margin-left: 33.3333333333%;
+}
+
+.offset-5 {
+  margin-left: 41.6666666667%;
+}
+
+.offset-6 {
+  margin-left: 50%;
+}
+
+.offset-7 {
+  margin-left: 58.3333333333%;
+}
+
+.offset-8 {
+  margin-left: 66.6666666667%;
+}
+
+.offset-9 {
+  margin-left: 75%;
+}
+
+.offset-10 {
+  margin-left: 83.3333333333%;
+}
+
+.offset-11 {
+  margin-left: 91.6666666667%;
+}
+
+@media (min-width: 576px) {
+  .col-sm {
+    -ms-flex-preferred-size: 0;
+        flex-basis: 0;
+    -webkit-box-flex: 1;
+        -ms-flex-positive: 1;
+            flex-grow: 1;
+    max-width: 100%;
+  }
+
+  .col-sm-auto {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 auto;
+            flex: 0 0 auto;
+    width: auto;
+    max-width: none;
+  }
+
+  .col-sm-1 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 8.3333333333%;
+            flex: 0 0 8.3333333333%;
+    max-width: 8.3333333333%;
+  }
+
+  .col-sm-2 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 16.6666666667%;
+            flex: 0 0 16.6666666667%;
+    max-width: 16.6666666667%;
+  }
+
+  .col-sm-3 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 25%;
+            flex: 0 0 25%;
+    max-width: 25%;
+  }
+
+  .col-sm-4 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 33.3333333333%;
+            flex: 0 0 33.3333333333%;
+    max-width: 33.3333333333%;
+  }
+
+  .col-sm-5 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 41.6666666667%;
+            flex: 0 0 41.6666666667%;
+    max-width: 41.6666666667%;
+  }
+
+  .col-sm-6 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 50%;
+            flex: 0 0 50%;
+    max-width: 50%;
+  }
+
+  .col-sm-7 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 58.3333333333%;
+            flex: 0 0 58.3333333333%;
+    max-width: 58.3333333333%;
+  }
+
+  .col-sm-8 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 66.6666666667%;
+            flex: 0 0 66.6666666667%;
+    max-width: 66.6666666667%;
+  }
+
+  .col-sm-9 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 75%;
+            flex: 0 0 75%;
+    max-width: 75%;
+  }
+
+  .col-sm-10 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 83.3333333333%;
+            flex: 0 0 83.3333333333%;
+    max-width: 83.3333333333%;
+  }
+
+  .col-sm-11 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 91.6666666667%;
+            flex: 0 0 91.6666666667%;
+    max-width: 91.6666666667%;
+  }
+
+  .col-sm-12 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 100%;
+            flex: 0 0 100%;
+    max-width: 100%;
+  }
+
+  .order-sm-first {
+    -webkit-box-ordinal-group: 0;
+        -ms-flex-order: -1;
+            order: -1;
+  }
+
+  .order-sm-last {
+    -webkit-box-ordinal-group: 14;
+        -ms-flex-order: 13;
+            order: 13;
+  }
+
+  .order-sm-0 {
+    -webkit-box-ordinal-group: 1;
+        -ms-flex-order: 0;
+            order: 0;
+  }
+
+  .order-sm-1 {
+    -webkit-box-ordinal-group: 2;
+        -ms-flex-order: 1;
+            order: 1;
+  }
+
+  .order-sm-2 {
+    -webkit-box-ordinal-group: 3;
+        -ms-flex-order: 2;
+            order: 2;
+  }
+
+  .order-sm-3 {
+    -webkit-box-ordinal-group: 4;
+        -ms-flex-order: 3;
+            order: 3;
+  }
+
+  .order-sm-4 {
+    -webkit-box-ordinal-group: 5;
+        -ms-flex-order: 4;
+            order: 4;
+  }
+
+  .order-sm-5 {
+    -webkit-box-ordinal-group: 6;
+        -ms-flex-order: 5;
+            order: 5;
+  }
+
+  .order-sm-6 {
+    -webkit-box-ordinal-group: 7;
+        -ms-flex-order: 6;
+            order: 6;
+  }
+
+  .order-sm-7 {
+    -webkit-box-ordinal-group: 8;
+        -ms-flex-order: 7;
+            order: 7;
+  }
+
+  .order-sm-8 {
+    -webkit-box-ordinal-group: 9;
+        -ms-flex-order: 8;
+            order: 8;
+  }
+
+  .order-sm-9 {
+    -webkit-box-ordinal-group: 10;
+        -ms-flex-order: 9;
+            order: 9;
+  }
+
+  .order-sm-10 {
+    -webkit-box-ordinal-group: 11;
+        -ms-flex-order: 10;
+            order: 10;
+  }
+
+  .order-sm-11 {
+    -webkit-box-ordinal-group: 12;
+        -ms-flex-order: 11;
+            order: 11;
+  }
+
+  .order-sm-12 {
+    -webkit-box-ordinal-group: 13;
+        -ms-flex-order: 12;
+            order: 12;
+  }
+
+  .offset-sm-0 {
+    margin-left: 0;
+  }
+
+  .offset-sm-1 {
+    margin-left: 8.3333333333%;
+  }
+
+  .offset-sm-2 {
+    margin-left: 16.6666666667%;
+  }
+
+  .offset-sm-3 {
+    margin-left: 25%;
+  }
+
+  .offset-sm-4 {
+    margin-left: 33.3333333333%;
+  }
+
+  .offset-sm-5 {
+    margin-left: 41.6666666667%;
+  }
+
+  .offset-sm-6 {
+    margin-left: 50%;
+  }
+
+  .offset-sm-7 {
+    margin-left: 58.3333333333%;
+  }
+
+  .offset-sm-8 {
+    margin-left: 66.6666666667%;
+  }
+
+  .offset-sm-9 {
+    margin-left: 75%;
+  }
+
+  .offset-sm-10 {
+    margin-left: 83.3333333333%;
+  }
+
+  .offset-sm-11 {
+    margin-left: 91.6666666667%;
+  }
+}
+@media (min-width: 768px) {
+  .col-md {
+    -ms-flex-preferred-size: 0;
+        flex-basis: 0;
+    -webkit-box-flex: 1;
+        -ms-flex-positive: 1;
+            flex-grow: 1;
+    max-width: 100%;
+  }
+
+  .col-md-auto {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 auto;
+            flex: 0 0 auto;
+    width: auto;
+    max-width: none;
+  }
+
+  .col-md-1 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 8.3333333333%;
+            flex: 0 0 8.3333333333%;
+    max-width: 8.3333333333%;
+  }
+
+  .col-md-2 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 16.6666666667%;
+            flex: 0 0 16.6666666667%;
+    max-width: 16.6666666667%;
+  }
+
+  .col-md-3 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 25%;
+            flex: 0 0 25%;
+    max-width: 25%;
+  }
+
+  .col-md-4 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 33.3333333333%;
+            flex: 0 0 33.3333333333%;
+    max-width: 33.3333333333%;
+  }
+
+  .col-md-5 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 41.6666666667%;
+            flex: 0 0 41.6666666667%;
+    max-width: 41.6666666667%;
+  }
+
+  .col-md-6 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 50%;
+            flex: 0 0 50%;
+    max-width: 50%;
+  }
+
+  .col-md-7 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 58.3333333333%;
+            flex: 0 0 58.3333333333%;
+    max-width: 58.3333333333%;
+  }
+
+  .col-md-8 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 66.6666666667%;
+            flex: 0 0 66.6666666667%;
+    max-width: 66.6666666667%;
+  }
+
+  .col-md-9 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 75%;
+            flex: 0 0 75%;
+    max-width: 75%;
+  }
+
+  .col-md-10 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 83.3333333333%;
+            flex: 0 0 83.3333333333%;
+    max-width: 83.3333333333%;
+  }
+
+  .col-md-11 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 91.6666666667%;
+            flex: 0 0 91.6666666667%;
+    max-width: 91.6666666667%;
+  }
+
+  .col-md-12 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 100%;
+            flex: 0 0 100%;
+    max-width: 100%;
+  }
+
+  .order-md-first {
+    -webkit-box-ordinal-group: 0;
+        -ms-flex-order: -1;
+            order: -1;
+  }
+
+  .order-md-last {
+    -webkit-box-ordinal-group: 14;
+        -ms-flex-order: 13;
+            order: 13;
+  }
+
+  .order-md-0 {
+    -webkit-box-ordinal-group: 1;
+        -ms-flex-order: 0;
+            order: 0;
+  }
+
+  .order-md-1 {
+    -webkit-box-ordinal-group: 2;
+        -ms-flex-order: 1;
+            order: 1;
+  }
+
+  .order-md-2 {
+    -webkit-box-ordinal-group: 3;
+        -ms-flex-order: 2;
+            order: 2;
+  }
+
+  .order-md-3 {
+    -webkit-box-ordinal-group: 4;
+        -ms-flex-order: 3;
+            order: 3;
+  }
+
+  .order-md-4 {
+    -webkit-box-ordinal-group: 5;
+        -ms-flex-order: 4;
+            order: 4;
+  }
+
+  .order-md-5 {
+    -webkit-box-ordinal-group: 6;
+        -ms-flex-order: 5;
+            order: 5;
+  }
+
+  .order-md-6 {
+    -webkit-box-ordinal-group: 7;
+        -ms-flex-order: 6;
+            order: 6;
+  }
+
+  .order-md-7 {
+    -webkit-box-ordinal-group: 8;
+        -ms-flex-order: 7;
+            order: 7;
+  }
+
+  .order-md-8 {
+    -webkit-box-ordinal-group: 9;
+        -ms-flex-order: 8;
+            order: 8;
+  }
+
+  .order-md-9 {
+    -webkit-box-ordinal-group: 10;
+        -ms-flex-order: 9;
+            order: 9;
+  }
+
+  .order-md-10 {
+    -webkit-box-ordinal-group: 11;
+        -ms-flex-order: 10;
+            order: 10;
+  }
+
+  .order-md-11 {
+    -webkit-box-ordinal-group: 12;
+        -ms-flex-order: 11;
+            order: 11;
+  }
+
+  .order-md-12 {
+    -webkit-box-ordinal-group: 13;
+        -ms-flex-order: 12;
+            order: 12;
+  }
+
+  .offset-md-0 {
+    margin-left: 0;
+  }
+
+  .offset-md-1 {
+    margin-left: 8.3333333333%;
+  }
+
+  .offset-md-2 {
+    margin-left: 16.6666666667%;
+  }
+
+  .offset-md-3 {
+    margin-left: 25%;
+  }
+
+  .offset-md-4 {
+    margin-left: 33.3333333333%;
+  }
+
+  .offset-md-5 {
+    margin-left: 41.6666666667%;
+  }
+
+  .offset-md-6 {
+    margin-left: 50%;
+  }
+
+  .offset-md-7 {
+    margin-left: 58.3333333333%;
+  }
+
+  .offset-md-8 {
+    margin-left: 66.6666666667%;
+  }
+
+  .offset-md-9 {
+    margin-left: 75%;
+  }
+
+  .offset-md-10 {
+    margin-left: 83.3333333333%;
+  }
+
+  .offset-md-11 {
+    margin-left: 91.6666666667%;
+  }
+}
+@media (min-width: 992px) {
+  .col-lg {
+    -ms-flex-preferred-size: 0;
+        flex-basis: 0;
+    -webkit-box-flex: 1;
+        -ms-flex-positive: 1;
+            flex-grow: 1;
+    max-width: 100%;
+  }
+
+  .col-lg-auto {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 auto;
+            flex: 0 0 auto;
+    width: auto;
+    max-width: none;
+  }
+
+  .col-lg-1 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 8.3333333333%;
+            flex: 0 0 8.3333333333%;
+    max-width: 8.3333333333%;
+  }
+
+  .col-lg-2 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 16.6666666667%;
+            flex: 0 0 16.6666666667%;
+    max-width: 16.6666666667%;
+  }
+
+  .col-lg-3 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 25%;
+            flex: 0 0 25%;
+    max-width: 25%;
+  }
+
+  .col-lg-4 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 33.3333333333%;
+            flex: 0 0 33.3333333333%;
+    max-width: 33.3333333333%;
+  }
+
+  .col-lg-5 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 41.6666666667%;
+            flex: 0 0 41.6666666667%;
+    max-width: 41.6666666667%;
+  }
+
+  .col-lg-6 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 50%;
+            flex: 0 0 50%;
+    max-width: 50%;
+  }
+
+  .col-lg-7 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 58.3333333333%;
+            flex: 0 0 58.3333333333%;
+    max-width: 58.3333333333%;
+  }
+
+  .col-lg-8 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 66.6666666667%;
+            flex: 0 0 66.6666666667%;
+    max-width: 66.6666666667%;
+  }
+
+  .col-lg-9 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 75%;
+            flex: 0 0 75%;
+    max-width: 75%;
+  }
+
+  .col-lg-10 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 83.3333333333%;
+            flex: 0 0 83.3333333333%;
+    max-width: 83.3333333333%;
+  }
+
+  .col-lg-11 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 91.6666666667%;
+            flex: 0 0 91.6666666667%;
+    max-width: 91.6666666667%;
+  }
+
+  .col-lg-12 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 100%;
+            flex: 0 0 100%;
+    max-width: 100%;
+  }
+
+  .order-lg-first {
+    -webkit-box-ordinal-group: 0;
+        -ms-flex-order: -1;
+            order: -1;
+  }
+
+  .order-lg-last {
+    -webkit-box-ordinal-group: 14;
+        -ms-flex-order: 13;
+            order: 13;
+  }
+
+  .order-lg-0 {
+    -webkit-box-ordinal-group: 1;
+        -ms-flex-order: 0;
+            order: 0;
+  }
+
+  .order-lg-1 {
+    -webkit-box-ordinal-group: 2;
+        -ms-flex-order: 1;
+            order: 1;
+  }
+
+  .order-lg-2 {
+    -webkit-box-ordinal-group: 3;
+        -ms-flex-order: 2;
+            order: 2;
+  }
+
+  .order-lg-3 {
+    -webkit-box-ordinal-group: 4;
+        -ms-flex-order: 3;
+            order: 3;
+  }
+
+  .order-lg-4 {
+    -webkit-box-ordinal-group: 5;
+        -ms-flex-order: 4;
+            order: 4;
+  }
+
+  .order-lg-5 {
+    -webkit-box-ordinal-group: 6;
+        -ms-flex-order: 5;
+            order: 5;
+  }
+
+  .order-lg-6 {
+    -webkit-box-ordinal-group: 7;
+        -ms-flex-order: 6;
+            order: 6;
+  }
+
+  .order-lg-7 {
+    -webkit-box-ordinal-group: 8;
+        -ms-flex-order: 7;
+            order: 7;
+  }
+
+  .order-lg-8 {
+    -webkit-box-ordinal-group: 9;
+        -ms-flex-order: 8;
+            order: 8;
+  }
+
+  .order-lg-9 {
+    -webkit-box-ordinal-group: 10;
+        -ms-flex-order: 9;
+            order: 9;
+  }
+
+  .order-lg-10 {
+    -webkit-box-ordinal-group: 11;
+        -ms-flex-order: 10;
+            order: 10;
+  }
+
+  .order-lg-11 {
+    -webkit-box-ordinal-group: 12;
+        -ms-flex-order: 11;
+            order: 11;
+  }
+
+  .order-lg-12 {
+    -webkit-box-ordinal-group: 13;
+        -ms-flex-order: 12;
+            order: 12;
+  }
+
+  .offset-lg-0 {
+    margin-left: 0;
+  }
+
+  .offset-lg-1 {
+    margin-left: 8.3333333333%;
+  }
+
+  .offset-lg-2 {
+    margin-left: 16.6666666667%;
+  }
+
+  .offset-lg-3 {
+    margin-left: 25%;
+  }
+
+  .offset-lg-4 {
+    margin-left: 33.3333333333%;
+  }
+
+  .offset-lg-5 {
+    margin-left: 41.6666666667%;
+  }
+
+  .offset-lg-6 {
+    margin-left: 50%;
+  }
+
+  .offset-lg-7 {
+    margin-left: 58.3333333333%;
+  }
+
+  .offset-lg-8 {
+    margin-left: 66.6666666667%;
+  }
+
+  .offset-lg-9 {
+    margin-left: 75%;
+  }
+
+  .offset-lg-10 {
+    margin-left: 83.3333333333%;
+  }
+
+  .offset-lg-11 {
+    margin-left: 91.6666666667%;
+  }
+}
+@media (min-width: 1200px) {
+  .col-xl {
+    -ms-flex-preferred-size: 0;
+        flex-basis: 0;
+    -webkit-box-flex: 1;
+        -ms-flex-positive: 1;
+            flex-grow: 1;
+    max-width: 100%;
+  }
+
+  .col-xl-auto {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 auto;
+            flex: 0 0 auto;
+    width: auto;
+    max-width: none;
+  }
+
+  .col-xl-1 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 8.3333333333%;
+            flex: 0 0 8.3333333333%;
+    max-width: 8.3333333333%;
+  }
+
+  .col-xl-2 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 16.6666666667%;
+            flex: 0 0 16.6666666667%;
+    max-width: 16.6666666667%;
+  }
+
+  .col-xl-3 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 25%;
+            flex: 0 0 25%;
+    max-width: 25%;
+  }
+
+  .col-xl-4 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 33.3333333333%;
+            flex: 0 0 33.3333333333%;
+    max-width: 33.3333333333%;
+  }
+
+  .col-xl-5 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 41.6666666667%;
+            flex: 0 0 41.6666666667%;
+    max-width: 41.6666666667%;
+  }
+
+  .col-xl-6 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 50%;
+            flex: 0 0 50%;
+    max-width: 50%;
+  }
+
+  .col-xl-7 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 58.3333333333%;
+            flex: 0 0 58.3333333333%;
+    max-width: 58.3333333333%;
+  }
+
+  .col-xl-8 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 66.6666666667%;
+            flex: 0 0 66.6666666667%;
+    max-width: 66.6666666667%;
+  }
+
+  .col-xl-9 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 75%;
+            flex: 0 0 75%;
+    max-width: 75%;
+  }
+
+  .col-xl-10 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 83.3333333333%;
+            flex: 0 0 83.3333333333%;
+    max-width: 83.3333333333%;
+  }
+
+  .col-xl-11 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 91.6666666667%;
+            flex: 0 0 91.6666666667%;
+    max-width: 91.6666666667%;
+  }
+
+  .col-xl-12 {
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 100%;
+            flex: 0 0 100%;
+    max-width: 100%;
+  }
+
+  .order-xl-first {
+    -webkit-box-ordinal-group: 0;
+        -ms-flex-order: -1;
+            order: -1;
+  }
+
+  .order-xl-last {
+    -webkit-box-ordinal-group: 14;
+        -ms-flex-order: 13;
+            order: 13;
+  }
+
+  .order-xl-0 {
+    -webkit-box-ordinal-group: 1;
+        -ms-flex-order: 0;
+            order: 0;
+  }
+
+  .order-xl-1 {
+    -webkit-box-ordinal-group: 2;
+        -ms-flex-order: 1;
+            order: 1;
+  }
+
+  .order-xl-2 {
+    -webkit-box-ordinal-group: 3;
+        -ms-flex-order: 2;
+            order: 2;
+  }
+
+  .order-xl-3 {
+    -webkit-box-ordinal-group: 4;
+        -ms-flex-order: 3;
+            order: 3;
+  }
+
+  .order-xl-4 {
+    -webkit-box-ordinal-group: 5;
+        -ms-flex-order: 4;
+            order: 4;
+  }
+
+  .order-xl-5 {
+    -webkit-box-ordinal-group: 6;
+        -ms-flex-order: 5;
+            order: 5;
+  }
+
+  .order-xl-6 {
+    -webkit-box-ordinal-group: 7;
+        -ms-flex-order: 6;
+            order: 6;
+  }
+
+  .order-xl-7 {
+    -webkit-box-ordinal-group: 8;
+        -ms-flex-order: 7;
+            order: 7;
+  }
+
+  .order-xl-8 {
+    -webkit-box-ordinal-group: 9;
+        -ms-flex-order: 8;
+            order: 8;
+  }
+
+  .order-xl-9 {
+    -webkit-box-ordinal-group: 10;
+        -ms-flex-order: 9;
+            order: 9;
+  }
+
+  .order-xl-10 {
+    -webkit-box-ordinal-group: 11;
+        -ms-flex-order: 10;
+            order: 10;
+  }
+
+  .order-xl-11 {
+    -webkit-box-ordinal-group: 12;
+        -ms-flex-order: 11;
+            order: 11;
+  }
+
+  .order-xl-12 {
+    -webkit-box-ordinal-group: 13;
+        -ms-flex-order: 12;
+            order: 12;
+  }
+
+  .offset-xl-0 {
+    margin-left: 0;
+  }
+
+  .offset-xl-1 {
+    margin-left: 8.3333333333%;
+  }
+
+  .offset-xl-2 {
+    margin-left: 16.6666666667%;
+  }
+
+  .offset-xl-3 {
+    margin-left: 25%;
+  }
+
+  .offset-xl-4 {
+    margin-left: 33.3333333333%;
+  }
+
+  .offset-xl-5 {
+    margin-left: 41.6666666667%;
+  }
+
+  .offset-xl-6 {
+    margin-left: 50%;
+  }
+
+  .offset-xl-7 {
+    margin-left: 58.3333333333%;
+  }
+
+  .offset-xl-8 {
+    margin-left: 66.6666666667%;
+  }
+
+  .offset-xl-9 {
+    margin-left: 75%;
+  }
+
+  .offset-xl-10 {
+    margin-left: 83.3333333333%;
+  }
+
+  .offset-xl-11 {
+    margin-left: 91.6666666667%;
+  }
+}
+.table {
+  width: 100%;
+  max-width: 100%;
+  margin-bottom: 1rem;
+  background-color: transparent;
+}
+.table th,
+.table td {
+  padding: 0.75rem;
+  vertical-align: top;
+  border-top: 1px solid #dee2e6;
+}
+.table thead th {
+  vertical-align: bottom;
+  border-bottom: 2px solid #dee2e6;
+}
+.table tbody + tbody {
+  border-top: 2px solid #dee2e6;
+}
+.table .table {
+  background-color: #fff;
+}
+
+.table-sm th,
+.table-sm td {
+  padding: 0.3rem;
+}
+
+.table-bordered {
+  border: 1px solid #dee2e6;
+}
+.table-bordered th,
+.table-bordered td {
+  border: 1px solid #dee2e6;
+}
+.table-bordered thead th,
+.table-bordered thead td {
+  border-bottom-width: 2px;
+}
+
+.table-striped tbody tr:nth-of-type(odd) {
+  background-color: rgba(0, 0, 0, 0.05);
+}
+
+.table-hover tbody tr:hover {
+  background-color: rgba(0, 0, 0, 0.075);
+}
+
+.table-primary,
+.table-primary > th,
+.table-primary > td {
+  background-color: #b8daff;
+}
+
+.table-hover .table-primary:hover {
+  background-color: #9fcdff;
+}
+.table-hover .table-primary:hover > td,
+.table-hover .table-primary:hover > th {
+  background-color: #9fcdff;
+}
+
+.table-secondary,
+.table-secondary > th,
+.table-secondary > td {
+  background-color: #d6d8db;
+}
+
+.table-hover .table-secondary:hover {
+  background-color: #c8cbcf;
+}
+.table-hover .table-secondary:hover > td,
+.table-hover .table-secondary:hover > th {
+  background-color: #c8cbcf;
+}
+
+.table-success,
+.table-success > th,
+.table-success > td {
+  background-color: #c3e6cb;
+}
+
+.table-hover .table-success:hover {
+  background-color: #b1dfbb;
+}
+.table-hover .table-success:hover > td,
+.table-hover .table-success:hover > th {
+  background-color: #b1dfbb;
+}
+
+.table-info,
+.table-info > th,
+.table-info > td {
+  background-color: #bee5eb;
+}
+
+.table-hover .table-info:hover {
+  background-color: #abdde5;
+}
+.table-hover .table-info:hover > td,
+.table-hover .table-info:hover > th {
+  background-color: #abdde5;
+}
+
+.table-warning,
+.table-warning > th,
+.table-warning > td {
+  background-color: #ffeeba;
+}
+
+.table-hover .table-warning:hover {
+  background-color: #ffe8a1;
+}
+.table-hover .table-warning:hover > td,
+.table-hover .table-warning:hover > th {
+  background-color: #ffe8a1;
+}
+
+.table-danger,
+.table-danger > th,
+.table-danger > td {
+  background-color: #f5c6cb;
+}
+
+.table-hover .table-danger:hover {
+  background-color: #f1b0b7;
+}
+.table-hover .table-danger:hover > td,
+.table-hover .table-danger:hover > th {
+  background-color: #f1b0b7;
+}
+
+.table-light,
+.table-light > th,
+.table-light > td {
+  background-color: #fdfdfe;
+}
+
+.table-hover .table-light:hover {
+  background-color: #ececf6;
+}
+.table-hover .table-light:hover > td,
+.table-hover .table-light:hover > th {
+  background-color: #ececf6;
+}
+
+.table-dark,
+.table-dark > th,
+.table-dark > td {
+  background-color: #c6c8ca;
+}
+
+.table-hover .table-dark:hover {
+  background-color: #b9bbbe;
+}
+.table-hover .table-dark:hover > td,
+.table-hover .table-dark:hover > th {
+  background-color: #b9bbbe;
+}
+
+.table-active,
+.table-active > th,
+.table-active > td {
+  background-color: rgba(0, 0, 0, 0.075);
+}
+
+.table-hover .table-active:hover {
+  background-color: rgba(0, 0, 0, 0.075);
+}
+.table-hover .table-active:hover > td,
+.table-hover .table-active:hover > th {
+  background-color: rgba(0, 0, 0, 0.075);
+}
+
+.table .thead-dark th {
+  color: #fff;
+  background-color: #212529;
+  border-color: #32383e;
+}
+.table .thead-light th {
+  color: #495057;
+  background-color: #e9ecef;
+  border-color: #dee2e6;
+}
+
+.table-dark {
+  color: #fff;
+  background-color: #212529;
+}
+.table-dark th,
+.table-dark td,
+.table-dark thead th {
+  border-color: #32383e;
+}
+.table-dark.table-bordered {
+  border: 0;
+}
+.table-dark.table-striped tbody tr:nth-of-type(odd) {
+  background-color: rgba(255, 255, 255, 0.05);
+}
+.table-dark.table-hover tbody tr:hover {
+  background-color: rgba(255, 255, 255, 0.075);
+}
+
+@media (max-width: 575.98px) {
+  .table-responsive-sm {
+    display: block;
+    width: 100%;
+    overflow-x: auto;
+    -webkit-overflow-scrolling: touch;
+    -ms-overflow-style: -ms-autohiding-scrollbar;
+  }
+  .table-responsive-sm > .table-bordered {
+    border: 0;
+  }
+}
+@media (max-width: 767.98px) {
+  .table-responsive-md {
+    display: block;
+    width: 100%;
+    overflow-x: auto;
+    -webkit-overflow-scrolling: touch;
+    -ms-overflow-style: -ms-autohiding-scrollbar;
+  }
+  .table-responsive-md > .table-bordered {
+    border: 0;
+  }
+}
+@media (max-width: 991.98px) {
+  .table-responsive-lg {
+    display: block;
+    width: 100%;
+    overflow-x: auto;
+    -webkit-overflow-scrolling: touch;
+    -ms-overflow-style: -ms-autohiding-scrollbar;
+  }
+  .table-responsive-lg > .table-bordered {
+    border: 0;
+  }
+}
+@media (max-width: 1199.98px) {
+  .table-responsive-xl {
+    display: block;
+    width: 100%;
+    overflow-x: auto;
+    -webkit-overflow-scrolling: touch;
+    -ms-overflow-style: -ms-autohiding-scrollbar;
+  }
+  .table-responsive-xl > .table-bordered {
+    border: 0;
+  }
+}
+.table-responsive {
+  display: block;
+  width: 100%;
+  overflow-x: auto;
+  -webkit-overflow-scrolling: touch;
+  -ms-overflow-style: -ms-autohiding-scrollbar;
+}
+.table-responsive > .table-bordered {
+  border: 0;
+}
+
+.form-control {
+  display: block;
+  width: 100%;
+  padding: 0.375rem 0.75rem;
+  font-size: 1rem;
+  line-height: 1.5;
+  color: #495057;
+  background-color: #fff;
+  background-clip: padding-box;
+  border: 1px solid #ced4da;
+  border-radius: 0.25rem;
+  -webkit-transition: border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
+  transition: border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
+  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
+  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
+}
+.form-control::-ms-expand {
+  background-color: transparent;
+  border: 0;
+}
+.form-control:focus {
+  color: #495057;
+  background-color: #fff;
+  border-color: #80bdff;
+  outline: 0;
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+          box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+}
+.form-control::-webkit-input-placeholder {
+  color: #6c757d;
+  opacity: 1;
+}
+.form-control:-ms-input-placeholder {
+  color: #6c757d;
+  opacity: 1;
+}
+.form-control::-ms-input-placeholder {
+  color: #6c757d;
+  opacity: 1;
+}
+.form-control::placeholder {
+  color: #6c757d;
+  opacity: 1;
+}
+.form-control:disabled, .form-control[readonly] {
+  background-color: #e9ecef;
+  opacity: 1;
+}
+
+select.form-control:not([size]):not([multiple]) {
+  height: calc(2.25rem + 2px);
+}
+select.form-control:focus::-ms-value {
+  color: #495057;
+  background-color: #fff;
+}
+
+.form-control-file,
+.form-control-range {
+  display: block;
+  width: 100%;
+}
+
+.col-form-label {
+  padding-top: calc(0.375rem + 1px);
+  padding-bottom: calc(0.375rem + 1px);
+  margin-bottom: 0;
+  font-size: inherit;
+  line-height: 1.5;
+}
+
+.col-form-label-lg {
+  padding-top: calc(0.5rem + 1px);
+  padding-bottom: calc(0.5rem + 1px);
+  font-size: 1.25rem;
+  line-height: 1.5;
+}
+
+.col-form-label-sm {
+  padding-top: calc(0.25rem + 1px);
+  padding-bottom: calc(0.25rem + 1px);
+  font-size: 0.875rem;
+  line-height: 1.5;
+}
+
+.form-control-plaintext {
+  display: block;
+  width: 100%;
+  padding-top: 0.375rem;
+  padding-bottom: 0.375rem;
+  margin-bottom: 0;
+  line-height: 1.5;
+  background-color: transparent;
+  border: solid transparent;
+  border-width: 1px 0;
+}
+.form-control-plaintext.form-control-sm, .input-group-sm > .form-control-plaintext.form-control,
+.input-group-sm > .input-group-prepend > .form-control-plaintext.input-group-text,
+.input-group-sm > .input-group-append > .form-control-plaintext.input-group-text,
+.input-group-sm > .input-group-prepend > .form-control-plaintext.btn,
+.input-group-sm > .input-group-append > .form-control-plaintext.btn, .form-control-plaintext.form-control-lg, .input-group-lg > .form-control-plaintext.form-control,
+.input-group-lg > .input-group-prepend > .form-control-plaintext.input-group-text,
+.input-group-lg > .input-group-append > .form-control-plaintext.input-group-text,
+.input-group-lg > .input-group-prepend > .form-control-plaintext.btn,
+.input-group-lg > .input-group-append > .form-control-plaintext.btn {
+  padding-right: 0;
+  padding-left: 0;
+}
+
+.form-control-sm, .input-group-sm > .form-control,
+.input-group-sm > .input-group-prepend > .input-group-text,
+.input-group-sm > .input-group-append > .input-group-text,
+.input-group-sm > .input-group-prepend > .btn,
+.input-group-sm > .input-group-append > .btn {
+  padding: 0.25rem 0.5rem;
+  font-size: 0.875rem;
+  line-height: 1.5;
+  border-radius: 0.2rem;
+}
+
+select.form-control-sm:not([size]):not([multiple]), .input-group-sm > select.form-control:not([size]):not([multiple]),
+.input-group-sm > .input-group-prepend > select.input-group-text:not([size]):not([multiple]),
+.input-group-sm > .input-group-append > select.input-group-text:not([size]):not([multiple]),
+.input-group-sm > .input-group-prepend > select.btn:not([size]):not([multiple]),
+.input-group-sm > .input-group-append > select.btn:not([size]):not([multiple]) {
+  height: calc(1.8125rem + 2px);
+}
+
+.form-control-lg, .input-group-lg > .form-control,
+.input-group-lg > .input-group-prepend > .input-group-text,
+.input-group-lg > .input-group-append > .input-group-text,
+.input-group-lg > .input-group-prepend > .btn,
+.input-group-lg > .input-group-append > .btn {
+  padding: 0.5rem 1rem;
+  font-size: 1.25rem;
+  line-height: 1.5;
+  border-radius: 0.3rem;
+}
+
+select.form-control-lg:not([size]):not([multiple]), .input-group-lg > select.form-control:not([size]):not([multiple]),
+.input-group-lg > .input-group-prepend > select.input-group-text:not([size]):not([multiple]),
+.input-group-lg > .input-group-append > select.input-group-text:not([size]):not([multiple]),
+.input-group-lg > .input-group-prepend > select.btn:not([size]):not([multiple]),
+.input-group-lg > .input-group-append > select.btn:not([size]):not([multiple]) {
+  height: calc(2.875rem + 2px);
+}
+
+.form-group {
+  margin-bottom: 1rem;
+}
+
+.form-text {
+  display: block;
+  margin-top: 0.25rem;
+}
+
+.form-row {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  margin-right: -5px;
+  margin-left: -5px;
+}
+.form-row > .col,
+.form-row > [class*="col-"] {
+  padding-right: 5px;
+  padding-left: 5px;
+}
+
+.form-check {
+  position: relative;
+  display: block;
+  padding-left: 1.25rem;
+}
+
+.form-check-input {
+  position: absolute;
+  margin-top: 0.3rem;
+  margin-left: -1.25rem;
+}
+.form-check-input:disabled ~ .form-check-label {
+  color: #6c757d;
+}
+
+.form-check-label {
+  margin-bottom: 0;
+}
+
+.form-check-inline {
+  display: -webkit-inline-box;
+  display: -ms-inline-flexbox;
+  display: inline-flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  padding-left: 0;
+  margin-right: 0.75rem;
+}
+.form-check-inline .form-check-input {
+  position: static;
+  margin-top: 0;
+  margin-right: 0.3125rem;
+  margin-left: 0;
+}
+
+.valid-feedback {
+  display: none;
+  width: 100%;
+  margin-top: 0.25rem;
+  font-size: 80%;
+  color: #28a745;
+}
+
+.valid-tooltip {
+  position: absolute;
+  top: 100%;
+  z-index: 5;
+  display: none;
+  max-width: 100%;
+  padding: .5rem;
+  margin-top: .1rem;
+  font-size: .875rem;
+  line-height: 1;
+  color: #fff;
+  background-color: rgba(40, 167, 69, 0.8);
+  border-radius: .2rem;
+}
+
+.was-validated .form-control:valid, .form-control.is-valid,
+.was-validated .custom-select:valid,
+.custom-select.is-valid {
+  border-color: #28a745;
+}
+.was-validated .form-control:valid:focus, .form-control.is-valid:focus,
+.was-validated .custom-select:valid:focus,
+.custom-select.is-valid:focus {
+  border-color: #28a745;
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
+          box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
+}
+.was-validated .form-control:valid ~ .valid-feedback,
+.was-validated .form-control:valid ~ .valid-tooltip, .form-control.is-valid ~ .valid-feedback,
+.form-control.is-valid ~ .valid-tooltip,
+.was-validated .custom-select:valid ~ .valid-feedback,
+.was-validated .custom-select:valid ~ .valid-tooltip,
+.custom-select.is-valid ~ .valid-feedback,
+.custom-select.is-valid ~ .valid-tooltip {
+  display: block;
+}
+
+.was-validated .form-check-input:valid ~ .form-check-label, .form-check-input.is-valid ~ .form-check-label {
+  color: #28a745;
+}
+.was-validated .form-check-input:valid ~ .valid-feedback,
+.was-validated .form-check-input:valid ~ .valid-tooltip, .form-check-input.is-valid ~ .valid-feedback,
+.form-check-input.is-valid ~ .valid-tooltip {
+  display: block;
+}
+
+.was-validated .custom-control-input:valid ~ .custom-control-label, .custom-control-input.is-valid ~ .custom-control-label {
+  color: #28a745;
+}
+.was-validated .custom-control-input:valid ~ .custom-control-label::before, .custom-control-input.is-valid ~ .custom-control-label::before {
+  background-color: #71dd8a;
+}
+.was-validated .custom-control-input:valid ~ .valid-feedback,
+.was-validated .custom-control-input:valid ~ .valid-tooltip, .custom-control-input.is-valid ~ .valid-feedback,
+.custom-control-input.is-valid ~ .valid-tooltip {
+  display: block;
+}
+.was-validated .custom-control-input:valid:checked ~ .custom-control-label::before, .custom-control-input.is-valid:checked ~ .custom-control-label::before {
+  background-color: #34ce57;
+}
+.was-validated .custom-control-input:valid:focus ~ .custom-control-label::before, .custom-control-input.is-valid:focus ~ .custom-control-label::before {
+  -webkit-box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
+          box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
+}
+
+.was-validated .custom-file-input:valid ~ .custom-file-label, .custom-file-input.is-valid ~ .custom-file-label {
+  border-color: #28a745;
+}
+.was-validated .custom-file-input:valid ~ .custom-file-label::before, .custom-file-input.is-valid ~ .custom-file-label::before {
+  border-color: inherit;
+}
+.was-validated .custom-file-input:valid ~ .valid-feedback,
+.was-validated .custom-file-input:valid ~ .valid-tooltip, .custom-file-input.is-valid ~ .valid-feedback,
+.custom-file-input.is-valid ~ .valid-tooltip {
+  display: block;
+}
+.was-validated .custom-file-input:valid:focus ~ .custom-file-label, .custom-file-input.is-valid:focus ~ .custom-file-label {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
+          box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
+}
+
+.invalid-feedback {
+  display: none;
+  width: 100%;
+  margin-top: 0.25rem;
+  font-size: 80%;
+  color: #dc3545;
+}
+
+.invalid-tooltip {
+  position: absolute;
+  top: 100%;
+  z-index: 5;
+  display: none;
+  max-width: 100%;
+  padding: .5rem;
+  margin-top: .1rem;
+  font-size: .875rem;
+  line-height: 1;
+  color: #fff;
+  background-color: rgba(220, 53, 69, 0.8);
+  border-radius: .2rem;
+}
+
+.was-validated .form-control:invalid, .form-control.is-invalid,
+.was-validated .custom-select:invalid,
+.custom-select.is-invalid {
+  border-color: #dc3545;
+}
+.was-validated .form-control:invalid:focus, .form-control.is-invalid:focus,
+.was-validated .custom-select:invalid:focus,
+.custom-select.is-invalid:focus {
+  border-color: #dc3545;
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
+          box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
+}
+.was-validated .form-control:invalid ~ .invalid-feedback,
+.was-validated .form-control:invalid ~ .invalid-tooltip, .form-control.is-invalid ~ .invalid-feedback,
+.form-control.is-invalid ~ .invalid-tooltip,
+.was-validated .custom-select:invalid ~ .invalid-feedback,
+.was-validated .custom-select:invalid ~ .invalid-tooltip,
+.custom-select.is-invalid ~ .invalid-feedback,
+.custom-select.is-invalid ~ .invalid-tooltip {
+  display: block;
+}
+
+.was-validated .form-check-input:invalid ~ .form-check-label, .form-check-input.is-invalid ~ .form-check-label {
+  color: #dc3545;
+}
+.was-validated .form-check-input:invalid ~ .invalid-feedback,
+.was-validated .form-check-input:invalid ~ .invalid-tooltip, .form-check-input.is-invalid ~ .invalid-feedback,
+.form-check-input.is-invalid ~ .invalid-tooltip {
+  display: block;
+}
+
+.was-validated .custom-control-input:invalid ~ .custom-control-label, .custom-control-input.is-invalid ~ .custom-control-label {
+  color: #dc3545;
+}
+.was-validated .custom-control-input:invalid ~ .custom-control-label::before, .custom-control-input.is-invalid ~ .custom-control-label::before {
+  background-color: #efa2a9;
+}
+.was-validated .custom-control-input:invalid ~ .invalid-feedback,
+.was-validated .custom-control-input:invalid ~ .invalid-tooltip, .custom-control-input.is-invalid ~ .invalid-feedback,
+.custom-control-input.is-invalid ~ .invalid-tooltip {
+  display: block;
+}
+.was-validated .custom-control-input:invalid:checked ~ .custom-control-label::before, .custom-control-input.is-invalid:checked ~ .custom-control-label::before {
+  background-color: #e4606d;
+}
+.was-validated .custom-control-input:invalid:focus ~ .custom-control-label::before, .custom-control-input.is-invalid:focus ~ .custom-control-label::before {
+  -webkit-box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
+          box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
+}
+
+.was-validated .custom-file-input:invalid ~ .custom-file-label, .custom-file-input.is-invalid ~ .custom-file-label {
+  border-color: #dc3545;
+}
+.was-validated .custom-file-input:invalid ~ .custom-file-label::before, .custom-file-input.is-invalid ~ .custom-file-label::before {
+  border-color: inherit;
+}
+.was-validated .custom-file-input:invalid ~ .invalid-feedback,
+.was-validated .custom-file-input:invalid ~ .invalid-tooltip, .custom-file-input.is-invalid ~ .invalid-feedback,
+.custom-file-input.is-invalid ~ .invalid-tooltip {
+  display: block;
+}
+.was-validated .custom-file-input:invalid:focus ~ .custom-file-label, .custom-file-input.is-invalid:focus ~ .custom-file-label {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
+          box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
+}
+
+.form-inline {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: horizontal;
+  -webkit-box-direction: normal;
+      -ms-flex-flow: row wrap;
+          flex-flow: row wrap;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+}
+.form-inline .form-check {
+  width: 100%;
+}
+@media (min-width: 576px) {
+  .form-inline label {
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-align: center;
+        -ms-flex-align: center;
+            align-items: center;
+    -webkit-box-pack: center;
+        -ms-flex-pack: center;
+            justify-content: center;
+    margin-bottom: 0;
+  }
+  .form-inline .form-group {
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-flex: 0;
+        -ms-flex: 0 0 auto;
+            flex: 0 0 auto;
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-flow: row wrap;
+            flex-flow: row wrap;
+    -webkit-box-align: center;
+        -ms-flex-align: center;
+            align-items: center;
+    margin-bottom: 0;
+  }
+  .form-inline .form-control {
+    display: inline-block;
+    width: auto;
+    vertical-align: middle;
+  }
+  .form-inline .form-control-plaintext {
+    display: inline-block;
+  }
+  .form-inline .input-group {
+    width: auto;
+  }
+  .form-inline .form-check {
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-align: center;
+        -ms-flex-align: center;
+            align-items: center;
+    -webkit-box-pack: center;
+        -ms-flex-pack: center;
+            justify-content: center;
+    width: auto;
+    padding-left: 0;
+  }
+  .form-inline .form-check-input {
+    position: relative;
+    margin-top: 0;
+    margin-right: 0.25rem;
+    margin-left: 0;
+  }
+  .form-inline .custom-control {
+    -webkit-box-align: center;
+        -ms-flex-align: center;
+            align-items: center;
+    -webkit-box-pack: center;
+        -ms-flex-pack: center;
+            justify-content: center;
+  }
+  .form-inline .custom-control-label {
+    margin-bottom: 0;
+  }
+}
+
+.btn {
+  display: inline-block;
+  font-weight: 400;
+  text-align: center;
+  white-space: nowrap;
+  vertical-align: middle;
+  -webkit-user-select: none;
+     -moz-user-select: none;
+      -ms-user-select: none;
+          user-select: none;
+  border: 1px solid transparent;
+  padding: 0.375rem 0.75rem;
+  font-size: 1rem;
+  line-height: 1.5;
+  border-radius: 0.25rem;
+  -webkit-transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
+  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
+  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
+  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
+}
+.btn:hover, .btn:focus {
+  text-decoration: none;
+}
+.btn:focus, .btn.focus {
+  outline: 0;
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+          box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+}
+.btn.disabled, .btn:disabled {
+  opacity: 0.65;
+}
+.btn:not(:disabled):not(.disabled) {
+  cursor: pointer;
+}
+.btn:not(:disabled):not(.disabled):active, .btn:not(:disabled):not(.disabled).active {
+  background-image: none;
+}
+
+a.btn.disabled,
+fieldset:disabled a.btn {
+  pointer-events: none;
+}
+
+.btn-primary {
+  color: #fff;
+  background-color: #007bff;
+  border-color: #007bff;
+}
+.btn-primary:hover {
+  color: #fff;
+  background-color: #0069d9;
+  border-color: #0062cc;
+}
+.btn-primary:focus, .btn-primary.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
+}
+.btn-primary.disabled, .btn-primary:disabled {
+  color: #fff;
+  background-color: #007bff;
+  border-color: #007bff;
+}
+.btn-primary:not(:disabled):not(.disabled):active, .btn-primary:not(:disabled):not(.disabled).active, .show > .btn-primary.dropdown-toggle {
+  color: #fff;
+  background-color: #0062cc;
+  border-color: #005cbf;
+}
+.btn-primary:not(:disabled):not(.disabled):active:focus, .btn-primary:not(:disabled):not(.disabled).active:focus, .show > .btn-primary.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
+}
+
+.btn-secondary {
+  color: #fff;
+  background-color: #6c757d;
+  border-color: #6c757d;
+}
+.btn-secondary:hover {
+  color: #fff;
+  background-color: #5a6268;
+  border-color: #545b62;
+}
+.btn-secondary:focus, .btn-secondary.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
+}
+.btn-secondary.disabled, .btn-secondary:disabled {
+  color: #fff;
+  background-color: #6c757d;
+  border-color: #6c757d;
+}
+.btn-secondary:not(:disabled):not(.disabled):active, .btn-secondary:not(:disabled):not(.disabled).active, .show > .btn-secondary.dropdown-toggle {
+  color: #fff;
+  background-color: #545b62;
+  border-color: #4e555b;
+}
+.btn-secondary:not(:disabled):not(.disabled):active:focus, .btn-secondary:not(:disabled):not(.disabled).active:focus, .show > .btn-secondary.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
+}
+
+.btn-success {
+  color: #fff;
+  background-color: #28a745;
+  border-color: #28a745;
+}
+.btn-success:hover {
+  color: #fff;
+  background-color: #218838;
+  border-color: #1e7e34;
+}
+.btn-success:focus, .btn-success.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
+}
+.btn-success.disabled, .btn-success:disabled {
+  color: #fff;
+  background-color: #28a745;
+  border-color: #28a745;
+}
+.btn-success:not(:disabled):not(.disabled):active, .btn-success:not(:disabled):not(.disabled).active, .show > .btn-success.dropdown-toggle {
+  color: #fff;
+  background-color: #1e7e34;
+  border-color: #1c7430;
+}
+.btn-success:not(:disabled):not(.disabled):active:focus, .btn-success:not(:disabled):not(.disabled).active:focus, .show > .btn-success.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
+}
+
+.btn-info {
+  color: #fff;
+  background-color: #17a2b8;
+  border-color: #17a2b8;
+}
+.btn-info:hover {
+  color: #fff;
+  background-color: #138496;
+  border-color: #117a8b;
+}
+.btn-info:focus, .btn-info.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
+}
+.btn-info.disabled, .btn-info:disabled {
+  color: #fff;
+  background-color: #17a2b8;
+  border-color: #17a2b8;
+}
+.btn-info:not(:disabled):not(.disabled):active, .btn-info:not(:disabled):not(.disabled).active, .show > .btn-info.dropdown-toggle {
+  color: #fff;
+  background-color: #117a8b;
+  border-color: #10707f;
+}
+.btn-info:not(:disabled):not(.disabled):active:focus, .btn-info:not(:disabled):not(.disabled).active:focus, .show > .btn-info.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
+}
+
+.btn-warning {
+  color: #212529;
+  background-color: #ffc107;
+  border-color: #ffc107;
+}
+.btn-warning:hover {
+  color: #212529;
+  background-color: #e0a800;
+  border-color: #d39e00;
+}
+.btn-warning:focus, .btn-warning.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
+}
+.btn-warning.disabled, .btn-warning:disabled {
+  color: #212529;
+  background-color: #ffc107;
+  border-color: #ffc107;
+}
+.btn-warning:not(:disabled):not(.disabled):active, .btn-warning:not(:disabled):not(.disabled).active, .show > .btn-warning.dropdown-toggle {
+  color: #212529;
+  background-color: #d39e00;
+  border-color: #c69500;
+}
+.btn-warning:not(:disabled):not(.disabled):active:focus, .btn-warning:not(:disabled):not(.disabled).active:focus, .show > .btn-warning.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
+}
+
+.btn-danger {
+  color: #fff;
+  background-color: #dc3545;
+  border-color: #dc3545;
+}
+.btn-danger:hover {
+  color: #fff;
+  background-color: #c82333;
+  border-color: #bd2130;
+}
+.btn-danger:focus, .btn-danger.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
+}
+.btn-danger.disabled, .btn-danger:disabled {
+  color: #fff;
+  background-color: #dc3545;
+  border-color: #dc3545;
+}
+.btn-danger:not(:disabled):not(.disabled):active, .btn-danger:not(:disabled):not(.disabled).active, .show > .btn-danger.dropdown-toggle {
+  color: #fff;
+  background-color: #bd2130;
+  border-color: #b21f2d;
+}
+.btn-danger:not(:disabled):not(.disabled):active:focus, .btn-danger:not(:disabled):not(.disabled).active:focus, .show > .btn-danger.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
+}
+
+.btn-light {
+  color: #212529;
+  background-color: #f8f9fa;
+  border-color: #f8f9fa;
+}
+.btn-light:hover {
+  color: #212529;
+  background-color: #e2e6ea;
+  border-color: #dae0e5;
+}
+.btn-light:focus, .btn-light.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
+}
+.btn-light.disabled, .btn-light:disabled {
+  color: #212529;
+  background-color: #f8f9fa;
+  border-color: #f8f9fa;
+}
+.btn-light:not(:disabled):not(.disabled):active, .btn-light:not(:disabled):not(.disabled).active, .show > .btn-light.dropdown-toggle {
+  color: #212529;
+  background-color: #dae0e5;
+  border-color: #d3d9df;
+}
+.btn-light:not(:disabled):not(.disabled):active:focus, .btn-light:not(:disabled):not(.disabled).active:focus, .show > .btn-light.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
+}
+
+.btn-dark {
+  color: #fff;
+  background-color: #343a40;
+  border-color: #343a40;
+}
+.btn-dark:hover {
+  color: #fff;
+  background-color: #23272b;
+  border-color: #1d2124;
+}
+.btn-dark:focus, .btn-dark.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
+}
+.btn-dark.disabled, .btn-dark:disabled {
+  color: #fff;
+  background-color: #343a40;
+  border-color: #343a40;
+}
+.btn-dark:not(:disabled):not(.disabled):active, .btn-dark:not(:disabled):not(.disabled).active, .show > .btn-dark.dropdown-toggle {
+  color: #fff;
+  background-color: #1d2124;
+  border-color: #171a1d;
+}
+.btn-dark:not(:disabled):not(.disabled):active:focus, .btn-dark:not(:disabled):not(.disabled).active:focus, .show > .btn-dark.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
+}
+
+.btn-outline-primary {
+  color: #007bff;
+  background-color: transparent;
+  background-image: none;
+  border-color: #007bff;
+}
+.btn-outline-primary:hover {
+  color: #fff;
+  background-color: #007bff;
+  border-color: #007bff;
+}
+.btn-outline-primary:focus, .btn-outline-primary.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
+}
+.btn-outline-primary.disabled, .btn-outline-primary:disabled {
+  color: #007bff;
+  background-color: transparent;
+}
+.btn-outline-primary:not(:disabled):not(.disabled):active, .btn-outline-primary:not(:disabled):not(.disabled).active, .show > .btn-outline-primary.dropdown-toggle {
+  color: #fff;
+  background-color: #007bff;
+  border-color: #007bff;
+}
+.btn-outline-primary:not(:disabled):not(.disabled):active:focus, .btn-outline-primary:not(:disabled):not(.disabled).active:focus, .show > .btn-outline-primary.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.5);
+}
+
+.btn-outline-secondary {
+  color: #6c757d;
+  background-color: transparent;
+  background-image: none;
+  border-color: #6c757d;
+}
+.btn-outline-secondary:hover {
+  color: #fff;
+  background-color: #6c757d;
+  border-color: #6c757d;
+}
+.btn-outline-secondary:focus, .btn-outline-secondary.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
+}
+.btn-outline-secondary.disabled, .btn-outline-secondary:disabled {
+  color: #6c757d;
+  background-color: transparent;
+}
+.btn-outline-secondary:not(:disabled):not(.disabled):active, .btn-outline-secondary:not(:disabled):not(.disabled).active, .show > .btn-outline-secondary.dropdown-toggle {
+  color: #fff;
+  background-color: #6c757d;
+  border-color: #6c757d;
+}
+.btn-outline-secondary:not(:disabled):not(.disabled):active:focus, .btn-outline-secondary:not(:disabled):not(.disabled).active:focus, .show > .btn-outline-secondary.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(108, 117, 125, 0.5);
+}
+
+.btn-outline-success {
+  color: #28a745;
+  background-color: transparent;
+  background-image: none;
+  border-color: #28a745;
+}
+.btn-outline-success:hover {
+  color: #fff;
+  background-color: #28a745;
+  border-color: #28a745;
+}
+.btn-outline-success:focus, .btn-outline-success.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
+}
+.btn-outline-success.disabled, .btn-outline-success:disabled {
+  color: #28a745;
+  background-color: transparent;
+}
+.btn-outline-success:not(:disabled):not(.disabled):active, .btn-outline-success:not(:disabled):not(.disabled).active, .show > .btn-outline-success.dropdown-toggle {
+  color: #fff;
+  background-color: #28a745;
+  border-color: #28a745;
+}
+.btn-outline-success:not(:disabled):not(.disabled):active:focus, .btn-outline-success:not(:disabled):not(.disabled).active:focus, .show > .btn-outline-success.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.5);
+}
+
+.btn-outline-info {
+  color: #17a2b8;
+  background-color: transparent;
+  background-image: none;
+  border-color: #17a2b8;
+}
+.btn-outline-info:hover {
+  color: #fff;
+  background-color: #17a2b8;
+  border-color: #17a2b8;
+}
+.btn-outline-info:focus, .btn-outline-info.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
+}
+.btn-outline-info.disabled, .btn-outline-info:disabled {
+  color: #17a2b8;
+  background-color: transparent;
+}
+.btn-outline-info:not(:disabled):not(.disabled):active, .btn-outline-info:not(:disabled):not(.disabled).active, .show > .btn-outline-info.dropdown-toggle {
+  color: #fff;
+  background-color: #17a2b8;
+  border-color: #17a2b8;
+}
+.btn-outline-info:not(:disabled):not(.disabled):active:focus, .btn-outline-info:not(:disabled):not(.disabled).active:focus, .show > .btn-outline-info.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.5);
+}
+
+.btn-outline-warning {
+  color: #ffc107;
+  background-color: transparent;
+  background-image: none;
+  border-color: #ffc107;
+}
+.btn-outline-warning:hover {
+  color: #212529;
+  background-color: #ffc107;
+  border-color: #ffc107;
+}
+.btn-outline-warning:focus, .btn-outline-warning.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
+}
+.btn-outline-warning.disabled, .btn-outline-warning:disabled {
+  color: #ffc107;
+  background-color: transparent;
+}
+.btn-outline-warning:not(:disabled):not(.disabled):active, .btn-outline-warning:not(:disabled):not(.disabled).active, .show > .btn-outline-warning.dropdown-toggle {
+  color: #212529;
+  background-color: #ffc107;
+  border-color: #ffc107;
+}
+.btn-outline-warning:not(:disabled):not(.disabled):active:focus, .btn-outline-warning:not(:disabled):not(.disabled).active:focus, .show > .btn-outline-warning.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.5);
+}
+
+.btn-outline-danger {
+  color: #dc3545;
+  background-color: transparent;
+  background-image: none;
+  border-color: #dc3545;
+}
+.btn-outline-danger:hover {
+  color: #fff;
+  background-color: #dc3545;
+  border-color: #dc3545;
+}
+.btn-outline-danger:focus, .btn-outline-danger.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
+}
+.btn-outline-danger.disabled, .btn-outline-danger:disabled {
+  color: #dc3545;
+  background-color: transparent;
+}
+.btn-outline-danger:not(:disabled):not(.disabled):active, .btn-outline-danger:not(:disabled):not(.disabled).active, .show > .btn-outline-danger.dropdown-toggle {
+  color: #fff;
+  background-color: #dc3545;
+  border-color: #dc3545;
+}
+.btn-outline-danger:not(:disabled):not(.disabled):active:focus, .btn-outline-danger:not(:disabled):not(.disabled).active:focus, .show > .btn-outline-danger.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.5);
+}
+
+.btn-outline-light {
+  color: #f8f9fa;
+  background-color: transparent;
+  background-image: none;
+  border-color: #f8f9fa;
+}
+.btn-outline-light:hover {
+  color: #212529;
+  background-color: #f8f9fa;
+  border-color: #f8f9fa;
+}
+.btn-outline-light:focus, .btn-outline-light.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
+}
+.btn-outline-light.disabled, .btn-outline-light:disabled {
+  color: #f8f9fa;
+  background-color: transparent;
+}
+.btn-outline-light:not(:disabled):not(.disabled):active, .btn-outline-light:not(:disabled):not(.disabled).active, .show > .btn-outline-light.dropdown-toggle {
+  color: #212529;
+  background-color: #f8f9fa;
+  border-color: #f8f9fa;
+}
+.btn-outline-light:not(:disabled):not(.disabled):active:focus, .btn-outline-light:not(:disabled):not(.disabled).active:focus, .show > .btn-outline-light.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, 0.5);
+}
+
+.btn-outline-dark {
+  color: #343a40;
+  background-color: transparent;
+  background-image: none;
+  border-color: #343a40;
+}
+.btn-outline-dark:hover {
+  color: #fff;
+  background-color: #343a40;
+  border-color: #343a40;
+}
+.btn-outline-dark:focus, .btn-outline-dark.focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
+}
+.btn-outline-dark.disabled, .btn-outline-dark:disabled {
+  color: #343a40;
+  background-color: transparent;
+}
+.btn-outline-dark:not(:disabled):not(.disabled):active, .btn-outline-dark:not(:disabled):not(.disabled).active, .show > .btn-outline-dark.dropdown-toggle {
+  color: #fff;
+  background-color: #343a40;
+  border-color: #343a40;
+}
+.btn-outline-dark:not(:disabled):not(.disabled):active:focus, .btn-outline-dark:not(:disabled):not(.disabled).active:focus, .show > .btn-outline-dark.dropdown-toggle:focus {
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
+          box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.5);
+}
+
+.btn-link {
+  font-weight: 400;
+  color: #007bff;
+  background-color: transparent;
+}
+.btn-link:hover {
+  color: #0056b3;
+  text-decoration: underline;
+  background-color: transparent;
+  border-color: transparent;
+}
+.btn-link:focus, .btn-link.focus {
+  text-decoration: underline;
+  border-color: transparent;
+  -webkit-box-shadow: none;
+          box-shadow: none;
+}
+.btn-link:disabled, .btn-link.disabled {
+  color: #6c757d;
+}
+
+.btn-lg, .btn-group-lg > .btn {
+  padding: 0.5rem 1rem;
+  font-size: 1.25rem;
+  line-height: 1.5;
+  border-radius: 0.3rem;
+}
+
+.btn-sm, .btn-group-sm > .btn {
+  padding: 0.25rem 0.5rem;
+  font-size: 0.875rem;
+  line-height: 1.5;
+  border-radius: 0.2rem;
+}
+
+.btn-block {
+  display: block;
+  width: 100%;
+}
+.btn-block + .btn-block {
+  margin-top: 0.5rem;
+}
+
+input[type="submit"].btn-block,
+input[type="reset"].btn-block,
+input[type="button"].btn-block {
+  width: 100%;
+}
+
+.fade {
+  opacity: 0;
+  -webkit-transition: opacity 0.15s linear;
+  transition: opacity 0.15s linear;
+}
+.fade.show {
+  opacity: 1;
+}
+
+.collapse {
+  display: none;
+}
+.collapse.show {
+  display: block;
+}
+
+tr.collapse.show {
+  display: table-row;
+}
+
+tbody.collapse.show {
+  display: table-row-group;
+}
+
+.collapsing {
+  position: relative;
+  height: 0;
+  overflow: hidden;
+  -webkit-transition: height 0.35s ease;
+  transition: height 0.35s ease;
+}
+
+.dropup,
+.dropdown {
+  position: relative;
+}
+
+.dropdown-toggle::after {
+  display: inline-block;
+  width: 0;
+  height: 0;
+  margin-left: 0.255em;
+  vertical-align: 0.255em;
+  content: "";
+  border-top: 0.3em solid;
+  border-right: 0.3em solid transparent;
+  border-bottom: 0;
+  border-left: 0.3em solid transparent;
+}
+.dropdown-toggle:empty::after {
+  margin-left: 0;
+}
+
+.dropdown-menu {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  z-index: 1000;
+  display: none;
+  float: left;
+  min-width: 10rem;
+  padding: 0.5rem 0;
+  margin: 0.125rem 0 0;
+  font-size: 1rem;
+  color: #212529;
+  text-align: left;
+  list-style: none;
+  background-color: #fff;
+  background-clip: padding-box;
+  border: 1px solid rgba(0, 0, 0, 0.15);
+  border-radius: 0.25rem;
+}
+
+.dropup .dropdown-menu {
+  margin-top: 0;
+  margin-bottom: 0.125rem;
+}
+.dropup .dropdown-toggle::after {
+  display: inline-block;
+  width: 0;
+  height: 0;
+  margin-left: 0.255em;
+  vertical-align: 0.255em;
+  content: "";
+  border-top: 0;
+  border-right: 0.3em solid transparent;
+  border-bottom: 0.3em solid;
+  border-left: 0.3em solid transparent;
+}
+.dropup .dropdown-toggle:empty::after {
+  margin-left: 0;
+}
+
+.dropright .dropdown-menu {
+  margin-top: 0;
+  margin-left: 0.125rem;
+}
+.dropright .dropdown-toggle::after {
+  display: inline-block;
+  width: 0;
+  height: 0;
+  margin-left: 0.255em;
+  vertical-align: 0.255em;
+  content: "";
+  border-top: 0.3em solid transparent;
+  border-bottom: 0.3em solid transparent;
+  border-left: 0.3em solid;
+}
+.dropright .dropdown-toggle:empty::after {
+  margin-left: 0;
+}
+.dropright .dropdown-toggle::after {
+  vertical-align: 0;
+}
+
+.dropleft .dropdown-menu {
+  margin-top: 0;
+  margin-right: 0.125rem;
+}
+.dropleft .dropdown-toggle::after {
+  display: inline-block;
+  width: 0;
+  height: 0;
+  margin-left: 0.255em;
+  vertical-align: 0.255em;
+  content: "";
+}
+.dropleft .dropdown-toggle::after {
+  display: none;
+}
+.dropleft .dropdown-toggle::before {
+  display: inline-block;
+  width: 0;
+  height: 0;
+  margin-right: 0.255em;
+  vertical-align: 0.255em;
+  content: "";
+  border-top: 0.3em solid transparent;
+  border-right: 0.3em solid;
+  border-bottom: 0.3em solid transparent;
+}
+.dropleft .dropdown-toggle:empty::after {
+  margin-left: 0;
+}
+.dropleft .dropdown-toggle::before {
+  vertical-align: 0;
+}
+
+.dropdown-divider {
+  height: 0;
+  margin: 0.5rem 0;
+  overflow: hidden;
+  border-top: 1px solid #e9ecef;
+}
+
+.dropdown-item {
+  display: block;
+  width: 100%;
+  padding: 0.25rem 1.5rem;
+  clear: both;
+  font-weight: 400;
+  color: #212529;
+  text-align: inherit;
+  white-space: nowrap;
+  background-color: transparent;
+  border: 0;
+}
+.dropdown-item:hover, .dropdown-item:focus {
+  color: #16181b;
+  text-decoration: none;
+  background-color: #f8f9fa;
+}
+.dropdown-item.active, .dropdown-item:active {
+  color: #fff;
+  text-decoration: none;
+  background-color: #007bff;
+}
+.dropdown-item.disabled, .dropdown-item:disabled {
+  color: #6c757d;
+  background-color: transparent;
+}
+
+.dropdown-menu.show {
+  display: block;
+}
+
+.dropdown-header {
+  display: block;
+  padding: 0.5rem 1.5rem;
+  margin-bottom: 0;
+  font-size: 0.875rem;
+  color: #6c757d;
+  white-space: nowrap;
+}
+
+.btn-group,
+.btn-group-vertical {
+  position: relative;
+  display: -webkit-inline-box;
+  display: -ms-inline-flexbox;
+  display: inline-flex;
+  vertical-align: middle;
+}
+.btn-group > .btn,
+.btn-group-vertical > .btn {
+  position: relative;
+  -webkit-box-flex: 0;
+      -ms-flex: 0 1 auto;
+          flex: 0 1 auto;
+}
+.btn-group > .btn:hover,
+.btn-group-vertical > .btn:hover {
+  z-index: 1;
+}
+.btn-group > .btn:focus, .btn-group > .btn:active, .btn-group > .btn.active,
+.btn-group-vertical > .btn:focus,
+.btn-group-vertical > .btn:active,
+.btn-group-vertical > .btn.active {
+  z-index: 1;
+}
+.btn-group .btn + .btn,
+.btn-group .btn + .btn-group,
+.btn-group .btn-group + .btn,
+.btn-group .btn-group + .btn-group,
+.btn-group-vertical .btn + .btn,
+.btn-group-vertical .btn + .btn-group,
+.btn-group-vertical .btn-group + .btn,
+.btn-group-vertical .btn-group + .btn-group {
+  margin-left: -1px;
+}
+
+.btn-toolbar {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  -webkit-box-pack: start;
+      -ms-flex-pack: start;
+          justify-content: flex-start;
+}
+.btn-toolbar .input-group {
+  width: auto;
+}
+
+.btn-group > .btn:first-child {
+  margin-left: 0;
+}
+.btn-group > .btn:not(:last-child):not(.dropdown-toggle),
+.btn-group > .btn-group:not(:last-child) > .btn {
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+}
+.btn-group > .btn:not(:first-child),
+.btn-group > .btn-group:not(:first-child) > .btn {
+  border-top-left-radius: 0;
+  border-bottom-left-radius: 0;
+}
+
+.dropdown-toggle-split {
+  padding-right: 0.5625rem;
+  padding-left: 0.5625rem;
+}
+.dropdown-toggle-split::after {
+  margin-left: 0;
+}
+
+.btn-sm + .dropdown-toggle-split, .btn-group-sm > .btn + .dropdown-toggle-split {
+  padding-right: 0.375rem;
+  padding-left: 0.375rem;
+}
+
+.btn-lg + .dropdown-toggle-split, .btn-group-lg > .btn + .dropdown-toggle-split {
+  padding-right: 0.75rem;
+  padding-left: 0.75rem;
+}
+
+.btn-group-vertical {
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+  -webkit-box-align: start;
+      -ms-flex-align: start;
+          align-items: flex-start;
+  -webkit-box-pack: center;
+      -ms-flex-pack: center;
+          justify-content: center;
+}
+.btn-group-vertical .btn,
+.btn-group-vertical .btn-group {
+  width: 100%;
+}
+.btn-group-vertical > .btn + .btn,
+.btn-group-vertical > .btn + .btn-group,
+.btn-group-vertical > .btn-group + .btn,
+.btn-group-vertical > .btn-group + .btn-group {
+  margin-top: -1px;
+  margin-left: 0;
+}
+.btn-group-vertical > .btn:not(:last-child):not(.dropdown-toggle),
+.btn-group-vertical > .btn-group:not(:last-child) > .btn {
+  border-bottom-right-radius: 0;
+  border-bottom-left-radius: 0;
+}
+.btn-group-vertical > .btn:not(:first-child),
+.btn-group-vertical > .btn-group:not(:first-child) > .btn {
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+}
+
+.btn-group-toggle > .btn,
+.btn-group-toggle > .btn-group > .btn {
+  margin-bottom: 0;
+}
+.btn-group-toggle > .btn input[type="radio"],
+.btn-group-toggle > .btn input[type="checkbox"],
+.btn-group-toggle > .btn-group > .btn input[type="radio"],
+.btn-group-toggle > .btn-group > .btn input[type="checkbox"] {
+  position: absolute;
+  clip: rect(0, 0, 0, 0);
+  pointer-events: none;
+}
+
+.input-group {
+  position: relative;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  -webkit-box-align: stretch;
+      -ms-flex-align: stretch;
+          align-items: stretch;
+  width: 100%;
+}
+.input-group > .form-control,
+.input-group > .custom-select,
+.input-group > .custom-file {
+  position: relative;
+  -webkit-box-flex: 1;
+      -ms-flex: 1 1 auto;
+          flex: 1 1 auto;
+  width: 1%;
+  margin-bottom: 0;
+}
+.input-group > .form-control:focus,
+.input-group > .custom-select:focus,
+.input-group > .custom-file:focus {
+  z-index: 3;
+}
+.input-group > .form-control + .form-control,
+.input-group > .form-control + .custom-select,
+.input-group > .form-control + .custom-file,
+.input-group > .custom-select + .form-control,
+.input-group > .custom-select + .custom-select,
+.input-group > .custom-select + .custom-file,
+.input-group > .custom-file + .form-control,
+.input-group > .custom-file + .custom-select,
+.input-group > .custom-file + .custom-file {
+  margin-left: -1px;
+}
+.input-group > .form-control:not(:last-child),
+.input-group > .custom-select:not(:last-child) {
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+}
+.input-group > .form-control:not(:first-child),
+.input-group > .custom-select:not(:first-child) {
+  border-top-left-radius: 0;
+  border-bottom-left-radius: 0;
+}
+.input-group > .custom-file {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+}
+.input-group > .custom-file:not(:last-child) .custom-file-label, .input-group > .custom-file:not(:last-child) .custom-file-label::before {
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+}
+.input-group > .custom-file:not(:first-child) .custom-file-label, .input-group > .custom-file:not(:first-child) .custom-file-label::before {
+  border-top-left-radius: 0;
+  border-bottom-left-radius: 0;
+}
+
+.input-group-prepend,
+.input-group-append {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+}
+.input-group-prepend .btn,
+.input-group-append .btn {
+  position: relative;
+  z-index: 2;
+}
+.input-group-prepend .btn + .btn,
+.input-group-prepend .btn + .input-group-text,
+.input-group-prepend .input-group-text + .input-group-text,
+.input-group-prepend .input-group-text + .btn,
+.input-group-append .btn + .btn,
+.input-group-append .btn + .input-group-text,
+.input-group-append .input-group-text + .input-group-text,
+.input-group-append .input-group-text + .btn {
+  margin-left: -1px;
+}
+
+.input-group-prepend {
+  margin-right: -1px;
+}
+
+.input-group-append {
+  margin-left: -1px;
+}
+
+.input-group-text {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  padding: 0.375rem 0.75rem;
+  margin-bottom: 0;
+  font-size: 1rem;
+  font-weight: 400;
+  line-height: 1.5;
+  color: #495057;
+  text-align: center;
+  white-space: nowrap;
+  background-color: #e9ecef;
+  border: 1px solid #ced4da;
+  border-radius: 0.25rem;
+}
+.input-group-text input[type="radio"],
+.input-group-text input[type="checkbox"] {
+  margin-top: 0;
+}
+
+.input-group > .input-group-prepend > .btn,
+.input-group > .input-group-prepend > .input-group-text,
+.input-group > .input-group-append:not(:last-child) > .btn,
+.input-group > .input-group-append:not(:last-child) > .input-group-text,
+.input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle),
+.input-group > .input-group-append:last-child > .input-group-text:not(:last-child) {
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+}
+
+.input-group > .input-group-append > .btn,
+.input-group > .input-group-append > .input-group-text,
+.input-group > .input-group-prepend:not(:first-child) > .btn,
+.input-group > .input-group-prepend:not(:first-child) > .input-group-text,
+.input-group > .input-group-prepend:first-child > .btn:not(:first-child),
+.input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child) {
+  border-top-left-radius: 0;
+  border-bottom-left-radius: 0;
+}
+
+.custom-control {
+  position: relative;
+  display: block;
+  min-height: 1.5rem;
+  padding-left: 1.5rem;
+}
+
+.custom-control-inline {
+  display: -webkit-inline-box;
+  display: -ms-inline-flexbox;
+  display: inline-flex;
+  margin-right: 1rem;
+}
+
+.custom-control-input {
+  position: absolute;
+  z-index: -1;
+  opacity: 0;
+}
+.custom-control-input:checked ~ .custom-control-label::before {
+  color: #fff;
+  background-color: #007bff;
+}
+.custom-control-input:focus ~ .custom-control-label::before {
+  -webkit-box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+          box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+}
+.custom-control-input:active ~ .custom-control-label::before {
+  color: #fff;
+  background-color: #b3d7ff;
+}
+.custom-control-input:disabled ~ .custom-control-label {
+  color: #6c757d;
+}
+.custom-control-input:disabled ~ .custom-control-label::before {
+  background-color: #e9ecef;
+}
+
+.custom-control-label {
+  margin-bottom: 0;
+}
+.custom-control-label::before {
+  position: absolute;
+  top: 0.25rem;
+  left: 0;
+  display: block;
+  width: 1rem;
+  height: 1rem;
+  pointer-events: none;
+  content: "";
+  -webkit-user-select: none;
+     -moz-user-select: none;
+      -ms-user-select: none;
+          user-select: none;
+  background-color: #dee2e6;
+}
+.custom-control-label::after {
+  position: absolute;
+  top: 0.25rem;
+  left: 0;
+  display: block;
+  width: 1rem;
+  height: 1rem;
+  content: "";
+  background-repeat: no-repeat;
+  background-position: center center;
+  background-size: 50% 50%;
+}
+
+.custom-checkbox .custom-control-label::before {
+  border-radius: 0.25rem;
+}
+.custom-checkbox .custom-control-input:checked ~ .custom-control-label::before {
+  background-color: #007bff;
+}
+.custom-checkbox .custom-control-input:checked ~ .custom-control-label::after {
+  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='%23fff' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E");
+}
+.custom-checkbox .custom-control-input:indeterminate ~ .custom-control-label::before {
+  background-color: #007bff;
+}
+.custom-checkbox .custom-control-input:indeterminate ~ .custom-control-label::after {
+  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='%23fff' d='M0 2h4'/%3E%3C/svg%3E");
+}
+.custom-checkbox .custom-control-input:disabled:checked ~ .custom-control-label::before {
+  background-color: rgba(0, 123, 255, 0.5);
+}
+.custom-checkbox .custom-control-input:disabled:indeterminate ~ .custom-control-label::before {
+  background-color: rgba(0, 123, 255, 0.5);
+}
+
+.custom-radio .custom-control-label::before {
+  border-radius: 50%;
+}
+.custom-radio .custom-control-input:checked ~ .custom-control-label::before {
+  background-color: #007bff;
+}
+.custom-radio .custom-control-input:checked ~ .custom-control-label::after {
+  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%23fff'/%3E%3C/svg%3E");
+}
+.custom-radio .custom-control-input:disabled:checked ~ .custom-control-label::before {
+  background-color: rgba(0, 123, 255, 0.5);
+}
+
+.custom-select {
+  display: inline-block;
+  width: 100%;
+  height: calc(2.25rem + 2px);
+  padding: 0.375rem 1.75rem 0.375rem 0.75rem;
+  line-height: 1.5;
+  color: #495057;
+  vertical-align: middle;
+  background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E") no-repeat right 0.75rem center;
+  background-size: 8px 10px;
+  border: 1px solid #ced4da;
+  border-radius: 0.25rem;
+  -webkit-appearance: none;
+     -moz-appearance: none;
+          appearance: none;
+}
+.custom-select:focus {
+  border-color: #80bdff;
+  outline: 0;
+  -webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.075), 0 0 5px rgba(128, 189, 255, 0.5);
+          box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.075), 0 0 5px rgba(128, 189, 255, 0.5);
+}
+.custom-select:focus::-ms-value {
+  color: #495057;
+  background-color: #fff;
+}
+.custom-select[multiple], .custom-select[size]:not([size="1"]) {
+  height: auto;
+  padding-right: 0.75rem;
+  background-image: none;
+}
+.custom-select:disabled {
+  color: #6c757d;
+  background-color: #e9ecef;
+}
+.custom-select::-ms-expand {
+  opacity: 0;
+}
+
+.custom-select-sm {
+  height: calc(1.8125rem + 2px);
+  padding-top: 0.375rem;
+  padding-bottom: 0.375rem;
+  font-size: 75%;
+}
+
+.custom-select-lg {
+  height: calc(2.875rem + 2px);
+  padding-top: 0.375rem;
+  padding-bottom: 0.375rem;
+  font-size: 125%;
+}
+
+.custom-file {
+  position: relative;
+  display: inline-block;
+  width: 100%;
+  height: calc(2.25rem + 2px);
+  margin-bottom: 0;
+}
+
+.custom-file-input {
+  position: relative;
+  z-index: 2;
+  width: 100%;
+  height: calc(2.25rem + 2px);
+  margin: 0;
+  opacity: 0;
+}
+.custom-file-input:focus ~ .custom-file-control {
+  border-color: #80bdff;
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+          box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+}
+.custom-file-input:focus ~ .custom-file-control::before {
+  border-color: #80bdff;
+}
+.custom-file-input:lang(en) ~ .custom-file-label::after {
+  content: "Browse";
+}
+
+.custom-file-label {
+  position: absolute;
+  top: 0;
+  right: 0;
+  left: 0;
+  z-index: 1;
+  height: calc(2.25rem + 2px);
+  padding: 0.375rem 0.75rem;
+  line-height: 1.5;
+  color: #495057;
+  background-color: #fff;
+  border: 1px solid #ced4da;
+  border-radius: 0.25rem;
+}
+.custom-file-label::after {
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 3;
+  display: block;
+  height: calc(calc(2.25rem + 2px) - 1px * 2);
+  padding: 0.375rem 0.75rem;
+  line-height: 1.5;
+  color: #495057;
+  content: "Browse";
+  background-color: #e9ecef;
+  border-left: 1px solid #ced4da;
+  border-radius: 0 0.25rem 0.25rem 0;
+}
+
+.nav {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  padding-left: 0;
+  margin-bottom: 0;
+  list-style: none;
+}
+
+.nav-link {
+  display: block;
+  padding: 0.5rem 1rem;
+}
+.nav-link:hover, .nav-link:focus {
+  text-decoration: none;
+}
+.nav-link.disabled {
+  color: #6c757d;
+}
+
+.nav-tabs {
+  border-bottom: 1px solid #dee2e6;
+}
+.nav-tabs .nav-item {
+  margin-bottom: -1px;
+}
+.nav-tabs .nav-link {
+  border: 1px solid transparent;
+  border-top-left-radius: 0.25rem;
+  border-top-right-radius: 0.25rem;
+}
+.nav-tabs .nav-link:hover, .nav-tabs .nav-link:focus {
+  border-color: #e9ecef #e9ecef #dee2e6;
+}
+.nav-tabs .nav-link.disabled {
+  color: #6c757d;
+  background-color: transparent;
+  border-color: transparent;
+}
+.nav-tabs .nav-link.active,
+.nav-tabs .nav-item.show .nav-link {
+  color: #495057;
+  background-color: #fff;
+  border-color: #dee2e6 #dee2e6 #fff;
+}
+.nav-tabs .dropdown-menu {
+  margin-top: -1px;
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+}
+
+.nav-pills .nav-link {
+  border-radius: 0.25rem;
+}
+.nav-pills .nav-link.active,
+.nav-pills .show > .nav-link {
+  color: #fff;
+  background-color: #007bff;
+}
+
+.nav-fill .nav-item {
+  -webkit-box-flex: 1;
+      -ms-flex: 1 1 auto;
+          flex: 1 1 auto;
+  text-align: center;
+}
+
+.nav-justified .nav-item {
+  -ms-flex-preferred-size: 0;
+      flex-basis: 0;
+  -webkit-box-flex: 1;
+      -ms-flex-positive: 1;
+          flex-grow: 1;
+  text-align: center;
+}
+
+.tab-content > .tab-pane {
+  display: none;
+}
+.tab-content > .active {
+  display: block;
+}
+
+.navbar {
+  position: relative;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  -webkit-box-pack: justify;
+      -ms-flex-pack: justify;
+          justify-content: space-between;
+  padding: 0.5rem 1rem;
+}
+.navbar > .container,
+.navbar > .container-fluid {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  -webkit-box-pack: justify;
+      -ms-flex-pack: justify;
+          justify-content: space-between;
+}
+
+.navbar-brand {
+  display: inline-block;
+  padding-top: 0.3125rem;
+  padding-bottom: 0.3125rem;
+  margin-right: 1rem;
+  font-size: 1.25rem;
+  line-height: inherit;
+  white-space: nowrap;
+}
+.navbar-brand:hover, .navbar-brand:focus {
+  text-decoration: none;
+}
+
+.navbar-nav {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+  padding-left: 0;
+  margin-bottom: 0;
+  list-style: none;
+}
+.navbar-nav .nav-link {
+  padding-right: 0;
+  padding-left: 0;
+}
+.navbar-nav .dropdown-menu {
+  position: static;
+  float: none;
+}
+
+.navbar-text {
+  display: inline-block;
+  padding-top: 0.5rem;
+  padding-bottom: 0.5rem;
+}
+
+.navbar-collapse {
+  -ms-flex-preferred-size: 100%;
+      flex-basis: 100%;
+  -webkit-box-flex: 1;
+      -ms-flex-positive: 1;
+          flex-grow: 1;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+}
+
+.navbar-toggler {
+  padding: 0.25rem 0.75rem;
+  font-size: 1.25rem;
+  line-height: 1;
+  background-color: transparent;
+  border: 1px solid transparent;
+  border-radius: 0.25rem;
+}
+.navbar-toggler:hover, .navbar-toggler:focus {
+  text-decoration: none;
+}
+.navbar-toggler:not(:disabled):not(.disabled) {
+  cursor: pointer;
+}
+
+.navbar-toggler-icon {
+  display: inline-block;
+  width: 1.5em;
+  height: 1.5em;
+  vertical-align: middle;
+  content: "";
+  background: no-repeat center center;
+  background-size: 100% 100%;
+}
+
+@media (max-width: 575.98px) {
+  .navbar-expand-sm > .container,
+  .navbar-expand-sm > .container-fluid {
+    padding-right: 0;
+    padding-left: 0;
+  }
+}
+@media (min-width: 576px) {
+  .navbar-expand-sm {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-flow: row nowrap;
+            flex-flow: row nowrap;
+    -webkit-box-pack: start;
+        -ms-flex-pack: start;
+            justify-content: flex-start;
+  }
+  .navbar-expand-sm .navbar-nav {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-direction: row;
+            flex-direction: row;
+  }
+  .navbar-expand-sm .navbar-nav .dropdown-menu {
+    position: absolute;
+  }
+  .navbar-expand-sm .navbar-nav .dropdown-menu-right {
+    right: 0;
+    left: auto;
+  }
+  .navbar-expand-sm .navbar-nav .nav-link {
+    padding-right: 0.5rem;
+    padding-left: 0.5rem;
+  }
+  .navbar-expand-sm > .container,
+  .navbar-expand-sm > .container-fluid {
+    -ms-flex-wrap: nowrap;
+        flex-wrap: nowrap;
+  }
+  .navbar-expand-sm .navbar-collapse {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+    -ms-flex-preferred-size: auto;
+        flex-basis: auto;
+  }
+  .navbar-expand-sm .navbar-toggler {
+    display: none;
+  }
+  .navbar-expand-sm .dropup .dropdown-menu {
+    top: auto;
+    bottom: 100%;
+  }
+}
+@media (max-width: 767.98px) {
+  .navbar-expand-md > .container,
+  .navbar-expand-md > .container-fluid {
+    padding-right: 0;
+    padding-left: 0;
+  }
+}
+@media (min-width: 768px) {
+  .navbar-expand-md {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-flow: row nowrap;
+            flex-flow: row nowrap;
+    -webkit-box-pack: start;
+        -ms-flex-pack: start;
+            justify-content: flex-start;
+  }
+  .navbar-expand-md .navbar-nav {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-direction: row;
+            flex-direction: row;
+  }
+  .navbar-expand-md .navbar-nav .dropdown-menu {
+    position: absolute;
+  }
+  .navbar-expand-md .navbar-nav .dropdown-menu-right {
+    right: 0;
+    left: auto;
+  }
+  .navbar-expand-md .navbar-nav .nav-link {
+    padding-right: 0.5rem;
+    padding-left: 0.5rem;
+  }
+  .navbar-expand-md > .container,
+  .navbar-expand-md > .container-fluid {
+    -ms-flex-wrap: nowrap;
+        flex-wrap: nowrap;
+  }
+  .navbar-expand-md .navbar-collapse {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+    -ms-flex-preferred-size: auto;
+        flex-basis: auto;
+  }
+  .navbar-expand-md .navbar-toggler {
+    display: none;
+  }
+  .navbar-expand-md .dropup .dropdown-menu {
+    top: auto;
+    bottom: 100%;
+  }
+}
+@media (max-width: 991.98px) {
+  .navbar-expand-lg > .container,
+  .navbar-expand-lg > .container-fluid {
+    padding-right: 0;
+    padding-left: 0;
+  }
+}
+@media (min-width: 992px) {
+  .navbar-expand-lg {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-flow: row nowrap;
+            flex-flow: row nowrap;
+    -webkit-box-pack: start;
+        -ms-flex-pack: start;
+            justify-content: flex-start;
+  }
+  .navbar-expand-lg .navbar-nav {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-direction: row;
+            flex-direction: row;
+  }
+  .navbar-expand-lg .navbar-nav .dropdown-menu {
+    position: absolute;
+  }
+  .navbar-expand-lg .navbar-nav .dropdown-menu-right {
+    right: 0;
+    left: auto;
+  }
+  .navbar-expand-lg .navbar-nav .nav-link {
+    padding-right: 0.5rem;
+    padding-left: 0.5rem;
+  }
+  .navbar-expand-lg > .container,
+  .navbar-expand-lg > .container-fluid {
+    -ms-flex-wrap: nowrap;
+        flex-wrap: nowrap;
+  }
+  .navbar-expand-lg .navbar-collapse {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+    -ms-flex-preferred-size: auto;
+        flex-basis: auto;
+  }
+  .navbar-expand-lg .navbar-toggler {
+    display: none;
+  }
+  .navbar-expand-lg .dropup .dropdown-menu {
+    top: auto;
+    bottom: 100%;
+  }
+}
+@media (max-width: 1199.98px) {
+  .navbar-expand-xl > .container,
+  .navbar-expand-xl > .container-fluid {
+    padding-right: 0;
+    padding-left: 0;
+  }
+}
+@media (min-width: 1200px) {
+  .navbar-expand-xl {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-flow: row nowrap;
+            flex-flow: row nowrap;
+    -webkit-box-pack: start;
+        -ms-flex-pack: start;
+            justify-content: flex-start;
+  }
+  .navbar-expand-xl .navbar-nav {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-direction: row;
+            flex-direction: row;
+  }
+  .navbar-expand-xl .navbar-nav .dropdown-menu {
+    position: absolute;
+  }
+  .navbar-expand-xl .navbar-nav .dropdown-menu-right {
+    right: 0;
+    left: auto;
+  }
+  .navbar-expand-xl .navbar-nav .nav-link {
+    padding-right: 0.5rem;
+    padding-left: 0.5rem;
+  }
+  .navbar-expand-xl > .container,
+  .navbar-expand-xl > .container-fluid {
+    -ms-flex-wrap: nowrap;
+        flex-wrap: nowrap;
+  }
+  .navbar-expand-xl .navbar-collapse {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+    -ms-flex-preferred-size: auto;
+        flex-basis: auto;
+  }
+  .navbar-expand-xl .navbar-toggler {
+    display: none;
+  }
+  .navbar-expand-xl .dropup .dropdown-menu {
+    top: auto;
+    bottom: 100%;
+  }
+}
+.navbar-expand {
+  -webkit-box-orient: horizontal;
+  -webkit-box-direction: normal;
+      -ms-flex-flow: row nowrap;
+          flex-flow: row nowrap;
+  -webkit-box-pack: start;
+      -ms-flex-pack: start;
+          justify-content: flex-start;
+}
+.navbar-expand > .container,
+.navbar-expand > .container-fluid {
+  padding-right: 0;
+  padding-left: 0;
+}
+.navbar-expand .navbar-nav {
+  -webkit-box-orient: horizontal;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: row;
+          flex-direction: row;
+}
+.navbar-expand .navbar-nav .dropdown-menu {
+  position: absolute;
+}
+.navbar-expand .navbar-nav .dropdown-menu-right {
+  right: 0;
+  left: auto;
+}
+.navbar-expand .navbar-nav .nav-link {
+  padding-right: 0.5rem;
+  padding-left: 0.5rem;
+}
+.navbar-expand > .container,
+.navbar-expand > .container-fluid {
+  -ms-flex-wrap: nowrap;
+      flex-wrap: nowrap;
+}
+.navbar-expand .navbar-collapse {
+  display: -webkit-box !important;
+  display: -ms-flexbox !important;
+  display: flex !important;
+  -ms-flex-preferred-size: auto;
+      flex-basis: auto;
+}
+.navbar-expand .navbar-toggler {
+  display: none;
+}
+.navbar-expand .dropup .dropdown-menu {
+  top: auto;
+  bottom: 100%;
+}
+
+.navbar-light .navbar-brand {
+  color: rgba(0, 0, 0, 0.9);
+}
+.navbar-light .navbar-brand:hover, .navbar-light .navbar-brand:focus {
+  color: rgba(0, 0, 0, 0.9);
+}
+.navbar-light .navbar-nav .nav-link {
+  color: rgba(0, 0, 0, 0.5);
+}
+.navbar-light .navbar-nav .nav-link:hover, .navbar-light .navbar-nav .nav-link:focus {
+  color: rgba(0, 0, 0, 0.7);
+}
+.navbar-light .navbar-nav .nav-link.disabled {
+  color: rgba(0, 0, 0, 0.3);
+}
+.navbar-light .navbar-nav .show > .nav-link,
+.navbar-light .navbar-nav .active > .nav-link,
+.navbar-light .navbar-nav .nav-link.show,
+.navbar-light .navbar-nav .nav-link.active {
+  color: rgba(0, 0, 0, 0.9);
+}
+.navbar-light .navbar-toggler {
+  color: rgba(0, 0, 0, 0.5);
+  border-color: rgba(0, 0, 0, 0.1);
+}
+.navbar-light .navbar-toggler-icon {
+  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(0, 0, 0, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
+}
+.navbar-light .navbar-text {
+  color: rgba(0, 0, 0, 0.5);
+}
+.navbar-light .navbar-text a {
+  color: rgba(0, 0, 0, 0.9);
+}
+.navbar-light .navbar-text a:hover, .navbar-light .navbar-text a:focus {
+  color: rgba(0, 0, 0, 0.9);
+}
+
+.navbar-dark .navbar-brand {
+  color: #fff;
+}
+.navbar-dark .navbar-brand:hover, .navbar-dark .navbar-brand:focus {
+  color: #fff;
+}
+.navbar-dark .navbar-nav .nav-link {
+  color: rgba(255, 255, 255, 0.5);
+}
+.navbar-dark .navbar-nav .nav-link:hover, .navbar-dark .navbar-nav .nav-link:focus {
+  color: rgba(255, 255, 255, 0.75);
+}
+.navbar-dark .navbar-nav .nav-link.disabled {
+  color: rgba(255, 255, 255, 0.25);
+}
+.navbar-dark .navbar-nav .show > .nav-link,
+.navbar-dark .navbar-nav .active > .nav-link,
+.navbar-dark .navbar-nav .nav-link.show,
+.navbar-dark .navbar-nav .nav-link.active {
+  color: #fff;
+}
+.navbar-dark .navbar-toggler {
+  color: rgba(255, 255, 255, 0.5);
+  border-color: rgba(255, 255, 255, 0.1);
+}
+.navbar-dark .navbar-toggler-icon {
+  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255, 255, 255, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
+}
+.navbar-dark .navbar-text {
+  color: rgba(255, 255, 255, 0.5);
+}
+.navbar-dark .navbar-text a {
+  color: #fff;
+}
+.navbar-dark .navbar-text a:hover, .navbar-dark .navbar-text a:focus {
+  color: #fff;
+}
+
+.card {
+  position: relative;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+  min-width: 0;
+  word-wrap: break-word;
+  background-color: #fff;
+  background-clip: border-box;
+  border: 1px solid rgba(0, 0, 0, 0.125);
+  border-radius: 0.25rem;
+}
+.card > hr {
+  margin-right: 0;
+  margin-left: 0;
+}
+.card > .list-group:first-child .list-group-item:first-child {
+  border-top-left-radius: 0.25rem;
+  border-top-right-radius: 0.25rem;
+}
+.card > .list-group:last-child .list-group-item:last-child {
+  border-bottom-right-radius: 0.25rem;
+  border-bottom-left-radius: 0.25rem;
+}
+
+.card-body {
+  -webkit-box-flex: 1;
+      -ms-flex: 1 1 auto;
+          flex: 1 1 auto;
+  padding: 1.25rem;
+}
+
+.card-title {
+  margin-bottom: 0.75rem;
+}
+
+.card-subtitle {
+  margin-top: -0.375rem;
+  margin-bottom: 0;
+}
+
+.card-text:last-child {
+  margin-bottom: 0;
+}
+
+.card-link:hover {
+  text-decoration: none;
+}
+.card-link + .card-link {
+  margin-left: 1.25rem;
+}
+
+.card-header {
+  padding: 0.75rem 1.25rem;
+  margin-bottom: 0;
+  background-color: rgba(0, 0, 0, 0.03);
+  border-bottom: 1px solid rgba(0, 0, 0, 0.125);
+}
+.card-header:first-child {
+  border-radius: calc(0.25rem - 1px) calc(0.25rem - 1px) 0 0;
+}
+.card-header + .list-group .list-group-item:first-child {
+  border-top: 0;
+}
+
+.card-footer {
+  padding: 0.75rem 1.25rem;
+  background-color: rgba(0, 0, 0, 0.03);
+  border-top: 1px solid rgba(0, 0, 0, 0.125);
+}
+.card-footer:last-child {
+  border-radius: 0 0 calc(0.25rem - 1px) calc(0.25rem - 1px);
+}
+
+.card-header-tabs {
+  margin-right: -0.625rem;
+  margin-bottom: -0.75rem;
+  margin-left: -0.625rem;
+  border-bottom: 0;
+}
+
+.card-header-pills {
+  margin-right: -0.625rem;
+  margin-left: -0.625rem;
+}
+
+.card-img-overlay {
+  position: absolute;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  padding: 1.25rem;
+}
+
+.card-img {
+  width: 100%;
+  border-radius: calc(0.25rem - 1px);
+}
+
+.card-img-top {
+  width: 100%;
+  border-top-left-radius: calc(0.25rem - 1px);
+  border-top-right-radius: calc(0.25rem - 1px);
+}
+
+.card-img-bottom {
+  width: 100%;
+  border-bottom-right-radius: calc(0.25rem - 1px);
+  border-bottom-left-radius: calc(0.25rem - 1px);
+}
+
+.card-deck {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+}
+.card-deck .card {
+  margin-bottom: 15px;
+}
+@media (min-width: 576px) {
+  .card-deck {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-flow: row wrap;
+            flex-flow: row wrap;
+    margin-right: -15px;
+    margin-left: -15px;
+  }
+  .card-deck .card {
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-flex: 1;
+        -ms-flex: 1 0 0%;
+            flex: 1 0 0%;
+    -webkit-box-orient: vertical;
+    -webkit-box-direction: normal;
+        -ms-flex-direction: column;
+            flex-direction: column;
+    margin-right: 15px;
+    margin-bottom: 0;
+    margin-left: 15px;
+  }
+}
+
+.card-group {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+}
+.card-group > .card {
+  margin-bottom: 15px;
+}
+@media (min-width: 576px) {
+  .card-group {
+    -webkit-box-orient: horizontal;
+    -webkit-box-direction: normal;
+        -ms-flex-flow: row wrap;
+            flex-flow: row wrap;
+  }
+  .card-group > .card {
+    -webkit-box-flex: 1;
+        -ms-flex: 1 0 0%;
+            flex: 1 0 0%;
+    margin-bottom: 0;
+  }
+  .card-group > .card + .card {
+    margin-left: 0;
+    border-left: 0;
+  }
+  .card-group > .card:first-child {
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+  }
+  .card-group > .card:first-child .card-img-top,
+  .card-group > .card:first-child .card-header {
+    border-top-right-radius: 0;
+  }
+  .card-group > .card:first-child .card-img-bottom,
+  .card-group > .card:first-child .card-footer {
+    border-bottom-right-radius: 0;
+  }
+  .card-group > .card:last-child {
+    border-top-left-radius: 0;
+    border-bottom-left-radius: 0;
+  }
+  .card-group > .card:last-child .card-img-top,
+  .card-group > .card:last-child .card-header {
+    border-top-left-radius: 0;
+  }
+  .card-group > .card:last-child .card-img-bottom,
+  .card-group > .card:last-child .card-footer {
+    border-bottom-left-radius: 0;
+  }
+  .card-group > .card:only-child {
+    border-radius: 0.25rem;
+  }
+  .card-group > .card:only-child .card-img-top,
+  .card-group > .card:only-child .card-header {
+    border-top-left-radius: 0.25rem;
+    border-top-right-radius: 0.25rem;
+  }
+  .card-group > .card:only-child .card-img-bottom,
+  .card-group > .card:only-child .card-footer {
+    border-bottom-right-radius: 0.25rem;
+    border-bottom-left-radius: 0.25rem;
+  }
+  .card-group > .card:not(:first-child):not(:last-child):not(:only-child) {
+    border-radius: 0;
+  }
+  .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-img-top,
+  .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-img-bottom,
+  .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-header,
+  .card-group > .card:not(:first-child):not(:last-child):not(:only-child) .card-footer {
+    border-radius: 0;
+  }
+}
+
+.card-columns .card {
+  margin-bottom: 0.75rem;
+}
+@media (min-width: 576px) {
+  .card-columns {
+    -webkit-column-count: 3;
+            column-count: 3;
+    -webkit-column-gap: 1.25rem;
+            column-gap: 1.25rem;
+  }
+  .card-columns .card {
+    display: inline-block;
+    width: 100%;
+  }
+}
+
+.breadcrumb {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  padding: 0.75rem 1rem;
+  margin-bottom: 1rem;
+  list-style: none;
+  background-color: #e9ecef;
+  border-radius: 0.25rem;
+}
+
+.breadcrumb-item + .breadcrumb-item::before {
+  display: inline-block;
+  padding-right: 0.5rem;
+  padding-left: 0.5rem;
+  color: #6c757d;
+  content: "/";
+}
+.breadcrumb-item + .breadcrumb-item:hover::before {
+  text-decoration: underline;
+}
+.breadcrumb-item + .breadcrumb-item:hover::before {
+  text-decoration: none;
+}
+.breadcrumb-item.active {
+  color: #6c757d;
+}
+
+.pagination {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  padding-left: 0;
+  list-style: none;
+  border-radius: 0.25rem;
+}
+
+.page-link {
+  position: relative;
+  display: block;
+  padding: 0.5rem 0.75rem;
+  margin-left: -1px;
+  line-height: 1.25;
+  color: #007bff;
+  background-color: #fff;
+  border: 1px solid #dee2e6;
+}
+.page-link:hover {
+  color: #0056b3;
+  text-decoration: none;
+  background-color: #e9ecef;
+  border-color: #dee2e6;
+}
+.page-link:focus {
+  z-index: 2;
+  outline: 0;
+  -webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+          box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
+}
+.page-link:not(:disabled):not(.disabled) {
+  cursor: pointer;
+}
+
+.page-item:first-child .page-link {
+  margin-left: 0;
+  border-top-left-radius: 0.25rem;
+  border-bottom-left-radius: 0.25rem;
+}
+.page-item:last-child .page-link {
+  border-top-right-radius: 0.25rem;
+  border-bottom-right-radius: 0.25rem;
+}
+.page-item.active .page-link {
+  z-index: 1;
+  color: #fff;
+  background-color: #007bff;
+  border-color: #007bff;
+}
+.page-item.disabled .page-link {
+  color: #6c757d;
+  pointer-events: none;
+  cursor: auto;
+  background-color: #fff;
+  border-color: #dee2e6;
+}
+
+.pagination-lg .page-link {
+  padding: 0.75rem 1.5rem;
+  font-size: 1.25rem;
+  line-height: 1.5;
+}
+.pagination-lg .page-item:first-child .page-link {
+  border-top-left-radius: 0.3rem;
+  border-bottom-left-radius: 0.3rem;
+}
+.pagination-lg .page-item:last-child .page-link {
+  border-top-right-radius: 0.3rem;
+  border-bottom-right-radius: 0.3rem;
+}
+
+.pagination-sm .page-link {
+  padding: 0.25rem 0.5rem;
+  font-size: 0.875rem;
+  line-height: 1.5;
+}
+.pagination-sm .page-item:first-child .page-link {
+  border-top-left-radius: 0.2rem;
+  border-bottom-left-radius: 0.2rem;
+}
+.pagination-sm .page-item:last-child .page-link {
+  border-top-right-radius: 0.2rem;
+  border-bottom-right-radius: 0.2rem;
+}
+
+.badge {
+  display: inline-block;
+  padding: 0.25em 0.4em;
+  font-size: 75%;
+  font-weight: 700;
+  line-height: 1;
+  text-align: center;
+  white-space: nowrap;
+  vertical-align: baseline;
+  border-radius: 0.25rem;
+}
+.badge:empty {
+  display: none;
+}
+
+.btn .badge {
+  position: relative;
+  top: -1px;
+}
+
+.badge-pill {
+  padding-right: 0.6em;
+  padding-left: 0.6em;
+  border-radius: 10rem;
+}
+
+.badge-primary {
+  color: #fff;
+  background-color: #007bff;
+}
+.badge-primary[href]:hover, .badge-primary[href]:focus {
+  color: #fff;
+  text-decoration: none;
+  background-color: #0062cc;
+}
+
+.badge-secondary {
+  color: #fff;
+  background-color: #6c757d;
+}
+.badge-secondary[href]:hover, .badge-secondary[href]:focus {
+  color: #fff;
+  text-decoration: none;
+  background-color: #545b62;
+}
+
+.badge-success {
+  color: #fff;
+  background-color: #28a745;
+}
+.badge-success[href]:hover, .badge-success[href]:focus {
+  color: #fff;
+  text-decoration: none;
+  background-color: #1e7e34;
+}
+
+.badge-info {
+  color: #fff;
+  background-color: #17a2b8;
+}
+.badge-info[href]:hover, .badge-info[href]:focus {
+  color: #fff;
+  text-decoration: none;
+  background-color: #117a8b;
+}
+
+.badge-warning {
+  color: #212529;
+  background-color: #ffc107;
+}
+.badge-warning[href]:hover, .badge-warning[href]:focus {
+  color: #212529;
+  text-decoration: none;
+  background-color: #d39e00;
+}
+
+.badge-danger {
+  color: #fff;
+  background-color: #dc3545;
+}
+.badge-danger[href]:hover, .badge-danger[href]:focus {
+  color: #fff;
+  text-decoration: none;
+  background-color: #bd2130;
+}
+
+.badge-light {
+  color: #212529;
+  background-color: #f8f9fa;
+}
+.badge-light[href]:hover, .badge-light[href]:focus {
+  color: #212529;
+  text-decoration: none;
+  background-color: #dae0e5;
+}
+
+.badge-dark {
+  color: #fff;
+  background-color: #343a40;
+}
+.badge-dark[href]:hover, .badge-dark[href]:focus {
+  color: #fff;
+  text-decoration: none;
+  background-color: #1d2124;
+}
+
+.jumbotron {
+  padding: 2rem 1rem;
+  margin-bottom: 2rem;
+  background-color: #e9ecef;
+  border-radius: 0.3rem;
+}
+@media (min-width: 576px) {
+  .jumbotron {
+    padding: 4rem 2rem;
+  }
+}
+
+.jumbotron-fluid {
+  padding-right: 0;
+  padding-left: 0;
+  border-radius: 0;
+}
+
+.alert {
+  position: relative;
+  padding: 0.75rem 1.25rem;
+  margin-bottom: 1rem;
+  border: 1px solid transparent;
+  border-radius: 0.25rem;
+}
+
+.alert-heading {
+  color: inherit;
+}
+
+.alert-link {
+  font-weight: 700;
+}
+
+.alert-dismissible {
+  padding-right: 4rem;
+}
+.alert-dismissible .close {
+  position: absolute;
+  top: 0;
+  right: 0;
+  padding: 0.75rem 1.25rem;
+  color: inherit;
+}
+
+.alert-primary {
+  color: #004085;
+  background-color: #cce5ff;
+  border-color: #b8daff;
+}
+.alert-primary hr {
+  border-top-color: #9fcdff;
+}
+.alert-primary .alert-link {
+  color: #002752;
+}
+
+.alert-secondary {
+  color: #383d41;
+  background-color: #e2e3e5;
+  border-color: #d6d8db;
+}
+.alert-secondary hr {
+  border-top-color: #c8cbcf;
+}
+.alert-secondary .alert-link {
+  color: #202326;
+}
+
+.alert-success {
+  color: #155724;
+  background-color: #d4edda;
+  border-color: #c3e6cb;
+}
+.alert-success hr {
+  border-top-color: #b1dfbb;
+}
+.alert-success .alert-link {
+  color: #0b2e13;
+}
+
+.alert-info {
+  color: #0c5460;
+  background-color: #d1ecf1;
+  border-color: #bee5eb;
+}
+.alert-info hr {
+  border-top-color: #abdde5;
+}
+.alert-info .alert-link {
+  color: #062c33;
+}
+
+.alert-warning {
+  color: #856404;
+  background-color: #fff3cd;
+  border-color: #ffeeba;
+}
+.alert-warning hr {
+  border-top-color: #ffe8a1;
+}
+.alert-warning .alert-link {
+  color: #533f03;
+}
+
+.alert-danger {
+  color: #721c24;
+  background-color: #f8d7da;
+  border-color: #f5c6cb;
+}
+.alert-danger hr {
+  border-top-color: #f1b0b7;
+}
+.alert-danger .alert-link {
+  color: #491217;
+}
+
+.alert-light {
+  color: #818182;
+  background-color: #fefefe;
+  border-color: #fdfdfe;
+}
+.alert-light hr {
+  border-top-color: #ececf6;
+}
+.alert-light .alert-link {
+  color: #686868;
+}
+
+.alert-dark {
+  color: #1b1e21;
+  background-color: #d6d8d9;
+  border-color: #c6c8ca;
+}
+.alert-dark hr {
+  border-top-color: #b9bbbe;
+}
+.alert-dark .alert-link {
+  color: #040505;
+}
+
+@-webkit-keyframes progress-bar-stripes {
+  from {
+    background-position: 1rem 0;
+  }
+  to {
+    background-position: 0 0;
+  }
+}
+
+@keyframes progress-bar-stripes {
+  from {
+    background-position: 1rem 0;
+  }
+  to {
+    background-position: 0 0;
+  }
+}
+.progress {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  height: 1rem;
+  overflow: hidden;
+  font-size: 0.75rem;
+  background-color: #e9ecef;
+  border-radius: 0.25rem;
+}
+
+.progress-bar {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+  -webkit-box-pack: center;
+      -ms-flex-pack: center;
+          justify-content: center;
+  color: #fff;
+  text-align: center;
+  background-color: #007bff;
+  -webkit-transition: width 0.6s ease;
+  transition: width 0.6s ease;
+}
+
+.progress-bar-striped {
+  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-size: 1rem 1rem;
+}
+
+.progress-bar-animated {
+  -webkit-animation: progress-bar-stripes 1s linear infinite;
+          animation: progress-bar-stripes 1s linear infinite;
+}
+
+.media {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: start;
+      -ms-flex-align: start;
+          align-items: flex-start;
+}
+
+.media-body {
+  -webkit-box-flex: 1;
+      -ms-flex: 1;
+          flex: 1;
+}
+
+.list-group {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+  padding-left: 0;
+  margin-bottom: 0;
+}
+
+.list-group-item-action {
+  width: 100%;
+  color: #495057;
+  text-align: inherit;
+}
+.list-group-item-action:hover, .list-group-item-action:focus {
+  color: #495057;
+  text-decoration: none;
+  background-color: #f8f9fa;
+}
+.list-group-item-action:active {
+  color: #212529;
+  background-color: #e9ecef;
+}
+
+.list-group-item {
+  position: relative;
+  display: block;
+  padding: 0.75rem 1.25rem;
+  margin-bottom: -1px;
+  background-color: #fff;
+  border: 1px solid rgba(0, 0, 0, 0.125);
+}
+.list-group-item:first-child {
+  border-top-left-radius: 0.25rem;
+  border-top-right-radius: 0.25rem;
+}
+.list-group-item:last-child {
+  margin-bottom: 0;
+  border-bottom-right-radius: 0.25rem;
+  border-bottom-left-radius: 0.25rem;
+}
+.list-group-item:hover, .list-group-item:focus {
+  z-index: 1;
+  text-decoration: none;
+}
+.list-group-item.disabled, .list-group-item:disabled {
+  color: #6c757d;
+  background-color: #fff;
+}
+.list-group-item.active {
+  z-index: 2;
+  color: #fff;
+  background-color: #007bff;
+  border-color: #007bff;
+}
+
+.list-group-flush .list-group-item {
+  border-right: 0;
+  border-left: 0;
+  border-radius: 0;
+}
+.list-group-flush:first-child .list-group-item:first-child {
+  border-top: 0;
+}
+.list-group-flush:last-child .list-group-item:last-child {
+  border-bottom: 0;
+}
+
+.list-group-item-primary {
+  color: #004085;
+  background-color: #b8daff;
+}
+.list-group-item-primary.list-group-item-action:hover, .list-group-item-primary.list-group-item-action:focus {
+  color: #004085;
+  background-color: #9fcdff;
+}
+.list-group-item-primary.list-group-item-action.active {
+  color: #fff;
+  background-color: #004085;
+  border-color: #004085;
+}
+
+.list-group-item-secondary {
+  color: #383d41;
+  background-color: #d6d8db;
+}
+.list-group-item-secondary.list-group-item-action:hover, .list-group-item-secondary.list-group-item-action:focus {
+  color: #383d41;
+  background-color: #c8cbcf;
+}
+.list-group-item-secondary.list-group-item-action.active {
+  color: #fff;
+  background-color: #383d41;
+  border-color: #383d41;
+}
+
+.list-group-item-success {
+  color: #155724;
+  background-color: #c3e6cb;
+}
+.list-group-item-success.list-group-item-action:hover, .list-group-item-success.list-group-item-action:focus {
+  color: #155724;
+  background-color: #b1dfbb;
+}
+.list-group-item-success.list-group-item-action.active {
+  color: #fff;
+  background-color: #155724;
+  border-color: #155724;
+}
+
+.list-group-item-info {
+  color: #0c5460;
+  background-color: #bee5eb;
+}
+.list-group-item-info.list-group-item-action:hover, .list-group-item-info.list-group-item-action:focus {
+  color: #0c5460;
+  background-color: #abdde5;
+}
+.list-group-item-info.list-group-item-action.active {
+  color: #fff;
+  background-color: #0c5460;
+  border-color: #0c5460;
+}
+
+.list-group-item-warning {
+  color: #856404;
+  background-color: #ffeeba;
+}
+.list-group-item-warning.list-group-item-action:hover, .list-group-item-warning.list-group-item-action:focus {
+  color: #856404;
+  background-color: #ffe8a1;
+}
+.list-group-item-warning.list-group-item-action.active {
+  color: #fff;
+  background-color: #856404;
+  border-color: #856404;
+}
+
+.list-group-item-danger {
+  color: #721c24;
+  background-color: #f5c6cb;
+}
+.list-group-item-danger.list-group-item-action:hover, .list-group-item-danger.list-group-item-action:focus {
+  color: #721c24;
+  background-color: #f1b0b7;
+}
+.list-group-item-danger.list-group-item-action.active {
+  color: #fff;
+  background-color: #721c24;
+  border-color: #721c24;
+}
+
+.list-group-item-light {
+  color: #818182;
+  background-color: #fdfdfe;
+}
+.list-group-item-light.list-group-item-action:hover, .list-group-item-light.list-group-item-action:focus {
+  color: #818182;
+  background-color: #ececf6;
+}
+.list-group-item-light.list-group-item-action.active {
+  color: #fff;
+  background-color: #818182;
+  border-color: #818182;
+}
+
+.list-group-item-dark {
+  color: #1b1e21;
+  background-color: #c6c8ca;
+}
+.list-group-item-dark.list-group-item-action:hover, .list-group-item-dark.list-group-item-action:focus {
+  color: #1b1e21;
+  background-color: #b9bbbe;
+}
+.list-group-item-dark.list-group-item-action.active {
+  color: #fff;
+  background-color: #1b1e21;
+  border-color: #1b1e21;
+}
+
+.close {
+  float: right;
+  font-size: 1.5rem;
+  font-weight: 700;
+  line-height: 1;
+  color: #000;
+  text-shadow: 0 1px 0 #fff;
+  opacity: .5;
+}
+.close:hover, .close:focus {
+  color: #000;
+  text-decoration: none;
+  opacity: .75;
+}
+.close:not(:disabled):not(.disabled) {
+  cursor: pointer;
+}
+
+button.close {
+  padding: 0;
+  background-color: transparent;
+  border: 0;
+  -webkit-appearance: none;
+}
+
+.modal-open {
+  overflow: hidden;
+}
+
+.modal {
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 1050;
+  display: none;
+  overflow: hidden;
+  outline: 0;
+}
+.modal-open .modal {
+  overflow-x: hidden;
+  overflow-y: auto;
+}
+
+.modal-dialog {
+  position: relative;
+  width: auto;
+  margin: 0.5rem;
+  pointer-events: none;
+}
+.modal.fade .modal-dialog {
+  -webkit-transition: -webkit-transform 0.3s ease-out;
+  transition: -webkit-transform 0.3s ease-out;
+  transition: transform 0.3s ease-out;
+  transition: transform 0.3s ease-out, -webkit-transform 0.3s ease-out;
+  -webkit-transform: translate(0, -25%);
+          transform: translate(0, -25%);
+}
+.modal.show .modal-dialog {
+  -webkit-transform: translate(0, 0);
+          transform: translate(0, 0);
+}
+
+.modal-dialog-centered {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  min-height: calc(100% - (0.5rem * 2));
+}
+
+.modal-content {
+  position: relative;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+  width: 100%;
+  pointer-events: auto;
+  background-color: #fff;
+  background-clip: padding-box;
+  border: 1px solid rgba(0, 0, 0, 0.2);
+  border-radius: 0.3rem;
+  outline: 0;
+}
+
+.modal-backdrop {
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 1040;
+  background-color: #000;
+}
+.modal-backdrop.fade {
+  opacity: 0;
+}
+.modal-backdrop.show {
+  opacity: 0.5;
+}
+
+.modal-header {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: start;
+      -ms-flex-align: start;
+          align-items: flex-start;
+  -webkit-box-pack: justify;
+      -ms-flex-pack: justify;
+          justify-content: space-between;
+  padding: 1rem;
+  border-bottom: 1px solid #e9ecef;
+  border-top-left-radius: 0.3rem;
+  border-top-right-radius: 0.3rem;
+}
+.modal-header .close {
+  padding: 1rem;
+  margin: -1rem -1rem -1rem auto;
+}
+
+.modal-title {
+  margin-bottom: 0;
+  line-height: 1.5;
+}
+
+.modal-body {
+  position: relative;
+  -webkit-box-flex: 1;
+      -ms-flex: 1 1 auto;
+          flex: 1 1 auto;
+  padding: 1rem;
+}
+
+.modal-footer {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  -webkit-box-pack: end;
+      -ms-flex-pack: end;
+          justify-content: flex-end;
+  padding: 1rem;
+  border-top: 1px solid #e9ecef;
+}
+.modal-footer > :not(:first-child) {
+  margin-left: .25rem;
+}
+.modal-footer > :not(:last-child) {
+  margin-right: .25rem;
+}
+
+.modal-scrollbar-measure {
+  position: absolute;
+  top: -9999px;
+  width: 50px;
+  height: 50px;
+  overflow: scroll;
+}
+
+@media (min-width: 576px) {
+  .modal-dialog {
+    max-width: 500px;
+    margin: 1.75rem auto;
+  }
+
+  .modal-dialog-centered {
+    min-height: calc(100% - (1.75rem * 2));
+  }
+
+  .modal-sm {
+    max-width: 300px;
+  }
+}
+@media (min-width: 992px) {
+  .modal-lg {
+    max-width: 800px;
+  }
+}
+.tooltip {
+  position: absolute;
+  z-index: 1070;
+  display: block;
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+  font-style: normal;
+  font-weight: 400;
+  line-height: 1.5;
+  text-align: left;
+  text-align: start;
+  text-decoration: none;
+  text-shadow: none;
+  text-transform: none;
+  letter-spacing: normal;
+  word-break: normal;
+  word-spacing: normal;
+  white-space: normal;
+  line-break: auto;
+  font-size: 0.875rem;
+  word-wrap: break-word;
+  opacity: 0;
+}
+.tooltip.show {
+  opacity: 0.9;
+}
+.tooltip .arrow {
+  position: absolute;
+  display: block;
+  width: 0.8rem;
+  height: 0.4rem;
+}
+.tooltip .arrow::before {
+  position: absolute;
+  content: "";
+  border-color: transparent;
+  border-style: solid;
+}
+
+.bs-tooltip-top, .bs-tooltip-auto[x-placement^="top"] {
+  padding: 0.4rem 0;
+}
+.bs-tooltip-top .arrow, .bs-tooltip-auto[x-placement^="top"] .arrow {
+  bottom: 0;
+}
+.bs-tooltip-top .arrow::before, .bs-tooltip-auto[x-placement^="top"] .arrow::before {
+  top: 0;
+  border-width: 0.4rem 0.4rem 0;
+  border-top-color: #000;
+}
+
+.bs-tooltip-right, .bs-tooltip-auto[x-placement^="right"] {
+  padding: 0 0.4rem;
+}
+.bs-tooltip-right .arrow, .bs-tooltip-auto[x-placement^="right"] .arrow {
+  left: 0;
+  width: 0.4rem;
+  height: 0.8rem;
+}
+.bs-tooltip-right .arrow::before, .bs-tooltip-auto[x-placement^="right"] .arrow::before {
+  right: 0;
+  border-width: 0.4rem 0.4rem 0.4rem 0;
+  border-right-color: #000;
+}
+
+.bs-tooltip-bottom, .bs-tooltip-auto[x-placement^="bottom"] {
+  padding: 0.4rem 0;
+}
+.bs-tooltip-bottom .arrow, .bs-tooltip-auto[x-placement^="bottom"] .arrow {
+  top: 0;
+}
+.bs-tooltip-bottom .arrow::before, .bs-tooltip-auto[x-placement^="bottom"] .arrow::before {
+  bottom: 0;
+  border-width: 0 0.4rem 0.4rem;
+  border-bottom-color: #000;
+}
+
+.bs-tooltip-left, .bs-tooltip-auto[x-placement^="left"] {
+  padding: 0 0.4rem;
+}
+.bs-tooltip-left .arrow, .bs-tooltip-auto[x-placement^="left"] .arrow {
+  right: 0;
+  width: 0.4rem;
+  height: 0.8rem;
+}
+.bs-tooltip-left .arrow::before, .bs-tooltip-auto[x-placement^="left"] .arrow::before {
+  left: 0;
+  border-width: 0.4rem 0 0.4rem 0.4rem;
+  border-left-color: #000;
+}
+
+.tooltip-inner {
+  max-width: 200px;
+  padding: 0.25rem 0.5rem;
+  color: #fff;
+  text-align: center;
+  background-color: #000;
+  border-radius: 0.25rem;
+}
+
+.popover {
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: 1060;
+  display: block;
+  max-width: 276px;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+  font-style: normal;
+  font-weight: 400;
+  line-height: 1.5;
+  text-align: left;
+  text-align: start;
+  text-decoration: none;
+  text-shadow: none;
+  text-transform: none;
+  letter-spacing: normal;
+  word-break: normal;
+  word-spacing: normal;
+  white-space: normal;
+  line-break: auto;
+  font-size: 0.875rem;
+  word-wrap: break-word;
+  background-color: #fff;
+  background-clip: padding-box;
+  border: 1px solid rgba(0, 0, 0, 0.2);
+  border-radius: 0.3rem;
+}
+.popover .arrow {
+  position: absolute;
+  display: block;
+  width: 1rem;
+  height: 0.5rem;
+  margin: 0 0.3rem;
+}
+.popover .arrow::before, .popover .arrow::after {
+  position: absolute;
+  display: block;
+  content: "";
+  border-color: transparent;
+  border-style: solid;
+}
+
+.bs-popover-top, .bs-popover-auto[x-placement^="top"] {
+  margin-bottom: 0.5rem;
+}
+.bs-popover-top .arrow, .bs-popover-auto[x-placement^="top"] .arrow {
+  bottom: calc((0.5rem + 1px) * -1);
+}
+.bs-popover-top .arrow::before, .bs-popover-auto[x-placement^="top"] .arrow::before,
+.bs-popover-top .arrow::after,
+.bs-popover-auto[x-placement^="top"] .arrow::after {
+  border-width: 0.5rem 0.5rem 0;
+}
+.bs-popover-top .arrow::before, .bs-popover-auto[x-placement^="top"] .arrow::before {
+  bottom: 0;
+  border-top-color: rgba(0, 0, 0, 0.25);
+}
+.bs-popover-top .arrow::after, .bs-popover-auto[x-placement^="top"] .arrow::after {
+  bottom: 1px;
+  border-top-color: #fff;
+}
+
+.bs-popover-right, .bs-popover-auto[x-placement^="right"] {
+  margin-left: 0.5rem;
+}
+.bs-popover-right .arrow, .bs-popover-auto[x-placement^="right"] .arrow {
+  left: calc((0.5rem + 1px) * -1);
+  width: 0.5rem;
+  height: 1rem;
+  margin: 0.3rem 0;
+}
+.bs-popover-right .arrow::before, .bs-popover-auto[x-placement^="right"] .arrow::before,
+.bs-popover-right .arrow::after,
+.bs-popover-auto[x-placement^="right"] .arrow::after {
+  border-width: 0.5rem 0.5rem 0.5rem 0;
+}
+.bs-popover-right .arrow::before, .bs-popover-auto[x-placement^="right"] .arrow::before {
+  left: 0;
+  border-right-color: rgba(0, 0, 0, 0.25);
+}
+.bs-popover-right .arrow::after, .bs-popover-auto[x-placement^="right"] .arrow::after {
+  left: 1px;
+  border-right-color: #fff;
+}
+
+.bs-popover-bottom, .bs-popover-auto[x-placement^="bottom"] {
+  margin-top: 0.5rem;
+}
+.bs-popover-bottom .arrow, .bs-popover-auto[x-placement^="bottom"] .arrow {
+  top: calc((0.5rem + 1px) * -1);
+}
+.bs-popover-bottom .arrow::before, .bs-popover-auto[x-placement^="bottom"] .arrow::before,
+.bs-popover-bottom .arrow::after,
+.bs-popover-auto[x-placement^="bottom"] .arrow::after {
+  border-width: 0 0.5rem 0.5rem 0.5rem;
+}
+.bs-popover-bottom .arrow::before, .bs-popover-auto[x-placement^="bottom"] .arrow::before {
+  top: 0;
+  border-bottom-color: rgba(0, 0, 0, 0.25);
+}
+.bs-popover-bottom .arrow::after, .bs-popover-auto[x-placement^="bottom"] .arrow::after {
+  top: 1px;
+  border-bottom-color: #fff;
+}
+.bs-popover-bottom .popover-header::before, .bs-popover-auto[x-placement^="bottom"] .popover-header::before {
+  position: absolute;
+  top: 0;
+  left: 50%;
+  display: block;
+  width: 1rem;
+  margin-left: -0.5rem;
+  content: "";
+  border-bottom: 1px solid #f7f7f7;
+}
+
+.bs-popover-left, .bs-popover-auto[x-placement^="left"] {
+  margin-right: 0.5rem;
+}
+.bs-popover-left .arrow, .bs-popover-auto[x-placement^="left"] .arrow {
+  right: calc((0.5rem + 1px) * -1);
+  width: 0.5rem;
+  height: 1rem;
+  margin: 0.3rem 0;
+}
+.bs-popover-left .arrow::before, .bs-popover-auto[x-placement^="left"] .arrow::before,
+.bs-popover-left .arrow::after,
+.bs-popover-auto[x-placement^="left"] .arrow::after {
+  border-width: 0.5rem 0 0.5rem 0.5rem;
+}
+.bs-popover-left .arrow::before, .bs-popover-auto[x-placement^="left"] .arrow::before {
+  right: 0;
+  border-left-color: rgba(0, 0, 0, 0.25);
+}
+.bs-popover-left .arrow::after, .bs-popover-auto[x-placement^="left"] .arrow::after {
+  right: 1px;
+  border-left-color: #fff;
+}
+
+.popover-header {
+  padding: 0.5rem 0.75rem;
+  margin-bottom: 0;
+  font-size: 1rem;
+  color: inherit;
+  background-color: #f7f7f7;
+  border-bottom: 1px solid #ebebeb;
+  border-top-left-radius: calc(0.3rem - 1px);
+  border-top-right-radius: calc(0.3rem - 1px);
+}
+.popover-header:empty {
+  display: none;
+}
+
+.popover-body {
+  padding: 0.5rem 0.75rem;
+  color: #212529;
+}
+
+.carousel {
+  position: relative;
+}
+
+.carousel-inner {
+  position: relative;
+  width: 100%;
+  overflow: hidden;
+}
+
+.carousel-item {
+  position: relative;
+  display: none;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  width: 100%;
+  -webkit-transition: -webkit-transform 0.6s ease;
+  transition: -webkit-transform 0.6s ease;
+  transition: transform 0.6s ease;
+  transition: transform 0.6s ease, -webkit-transform 0.6s ease;
+  -webkit-backface-visibility: hidden;
+          backface-visibility: hidden;
+  -webkit-perspective: 1000px;
+          perspective: 1000px;
+}
+
+.carousel-item.active,
+.carousel-item-next,
+.carousel-item-prev {
+  display: block;
+}
+
+.carousel-item-next,
+.carousel-item-prev {
+  position: absolute;
+  top: 0;
+}
+
+.carousel-item-next.carousel-item-left,
+.carousel-item-prev.carousel-item-right {
+  -webkit-transform: translateX(0);
+          transform: translateX(0);
+}
+@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) {
+  .carousel-item-next.carousel-item-left,
+  .carousel-item-prev.carousel-item-right {
+    -webkit-transform: translate3d(0, 0, 0);
+            transform: translate3d(0, 0, 0);
+  }
+}
+
+.carousel-item-next,
+.active.carousel-item-right {
+  -webkit-transform: translateX(100%);
+          transform: translateX(100%);
+}
+@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) {
+  .carousel-item-next,
+  .active.carousel-item-right {
+    -webkit-transform: translate3d(100%, 0, 0);
+            transform: translate3d(100%, 0, 0);
+  }
+}
+
+.carousel-item-prev,
+.active.carousel-item-left {
+  -webkit-transform: translateX(-100%);
+          transform: translateX(-100%);
+}
+@supports ((-webkit-transform-style: preserve-3d) or (transform-style: preserve-3d)) {
+  .carousel-item-prev,
+  .active.carousel-item-left {
+    -webkit-transform: translate3d(-100%, 0, 0);
+            transform: translate3d(-100%, 0, 0);
+  }
+}
+
+.carousel-control-prev,
+.carousel-control-next {
+  position: absolute;
+  top: 0;
+  bottom: 0;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  -webkit-box-pack: center;
+      -ms-flex-pack: center;
+          justify-content: center;
+  width: 15%;
+  color: #fff;
+  text-align: center;
+  opacity: 0.5;
+}
+.carousel-control-prev:hover, .carousel-control-prev:focus,
+.carousel-control-next:hover,
+.carousel-control-next:focus {
+  color: #fff;
+  text-decoration: none;
+  outline: 0;
+  opacity: .9;
+}
+
+.carousel-control-prev {
+  left: 0;
+}
+
+.carousel-control-next {
+  right: 0;
+}
+
+.carousel-control-prev-icon,
+.carousel-control-next-icon {
+  display: inline-block;
+  width: 20px;
+  height: 20px;
+  background: transparent no-repeat center center;
+  background-size: 100% 100%;
+}
+
+.carousel-control-prev-icon {
+  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E");
+}
+
+.carousel-control-next-icon {
+  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E");
+}
+
+.carousel-indicators {
+  position: absolute;
+  right: 0;
+  bottom: 10px;
+  left: 0;
+  z-index: 15;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-pack: center;
+      -ms-flex-pack: center;
+          justify-content: center;
+  padding-left: 0;
+  margin-right: 15%;
+  margin-left: 15%;
+  list-style: none;
+}
+.carousel-indicators li {
+  position: relative;
+  -webkit-box-flex: 0;
+      -ms-flex: 0 1 auto;
+          flex: 0 1 auto;
+  width: 30px;
+  height: 3px;
+  margin-right: 3px;
+  margin-left: 3px;
+  text-indent: -999px;
+  background-color: rgba(255, 255, 255, 0.5);
+}
+.carousel-indicators li::before {
+  position: absolute;
+  top: -10px;
+  left: 0;
+  display: inline-block;
+  width: 100%;
+  height: 10px;
+  content: "";
+}
+.carousel-indicators li::after {
+  position: absolute;
+  bottom: -10px;
+  left: 0;
+  display: inline-block;
+  width: 100%;
+  height: 10px;
+  content: "";
+}
+.carousel-indicators .active {
+  background-color: #fff;
+}
+
+.carousel-caption {
+  position: absolute;
+  right: 15%;
+  bottom: 20px;
+  left: 15%;
+  z-index: 10;
+  padding-top: 20px;
+  padding-bottom: 20px;
+  color: #fff;
+  text-align: center;
+}
+
+.align-baseline {
+  vertical-align: baseline !important;
+}
+
+.align-top {
+  vertical-align: top !important;
+}
+
+.align-middle {
+  vertical-align: middle !important;
+}
+
+.align-bottom {
+  vertical-align: bottom !important;
+}
+
+.align-text-bottom {
+  vertical-align: text-bottom !important;
+}
+
+.align-text-top {
+  vertical-align: text-top !important;
+}
+
+.bg-primary {
+  background-color: #007bff !important;
+}
+
+a.bg-primary:hover, a.bg-primary:focus,
+button.bg-primary:hover,
+button.bg-primary:focus {
+  background-color: #0062cc !important;
+}
+
+.bg-secondary {
+  background-color: #6c757d !important;
+}
+
+a.bg-secondary:hover, a.bg-secondary:focus,
+button.bg-secondary:hover,
+button.bg-secondary:focus {
+  background-color: #545b62 !important;
+}
+
+.bg-success {
+  background-color: #28a745 !important;
+}
+
+a.bg-success:hover, a.bg-success:focus,
+button.bg-success:hover,
+button.bg-success:focus {
+  background-color: #1e7e34 !important;
+}
+
+.bg-info {
+  background-color: #17a2b8 !important;
+}
+
+a.bg-info:hover, a.bg-info:focus,
+button.bg-info:hover,
+button.bg-info:focus {
+  background-color: #117a8b !important;
+}
+
+.bg-warning {
+  background-color: #ffc107 !important;
+}
+
+a.bg-warning:hover, a.bg-warning:focus,
+button.bg-warning:hover,
+button.bg-warning:focus {
+  background-color: #d39e00 !important;
+}
+
+.bg-danger {
+  background-color: #dc3545 !important;
+}
+
+a.bg-danger:hover, a.bg-danger:focus,
+button.bg-danger:hover,
+button.bg-danger:focus {
+  background-color: #bd2130 !important;
+}
+
+.bg-light {
+  background-color: #f8f9fa !important;
+}
+
+a.bg-light:hover, a.bg-light:focus,
+button.bg-light:hover,
+button.bg-light:focus {
+  background-color: #dae0e5 !important;
+}
+
+.bg-dark {
+  background-color: #343a40 !important;
+}
+
+a.bg-dark:hover, a.bg-dark:focus,
+button.bg-dark:hover,
+button.bg-dark:focus {
+  background-color: #1d2124 !important;
+}
+
+.bg-white {
+  background-color: #fff !important;
+}
+
+.bg-transparent {
+  background-color: transparent !important;
+}
+
+.border {
+  border: 1px solid #dee2e6 !important;
+}
+
+.border-top {
+  border-top: 1px solid #dee2e6 !important;
+}
+
+.border-right {
+  border-right: 1px solid #dee2e6 !important;
+}
+
+.border-bottom {
+  border-bottom: 1px solid #dee2e6 !important;
+}
+
+.border-left {
+  border-left: 1px solid #dee2e6 !important;
+}
+
+.border-0 {
+  border: 0 !important;
+}
+
+.border-top-0 {
+  border-top: 0 !important;
+}
+
+.border-right-0 {
+  border-right: 0 !important;
+}
+
+.border-bottom-0 {
+  border-bottom: 0 !important;
+}
+
+.border-left-0 {
+  border-left: 0 !important;
+}
+
+.border-primary {
+  border-color: #007bff !important;
+}
+
+.border-secondary {
+  border-color: #6c757d !important;
+}
+
+.border-success {
+  border-color: #28a745 !important;
+}
+
+.border-info {
+  border-color: #17a2b8 !important;
+}
+
+.border-warning {
+  border-color: #ffc107 !important;
+}
+
+.border-danger {
+  border-color: #dc3545 !important;
+}
+
+.border-light {
+  border-color: #f8f9fa !important;
+}
+
+.border-dark {
+  border-color: #343a40 !important;
+}
+
+.border-white {
+  border-color: #fff !important;
+}
+
+.rounded {
+  border-radius: 0.25rem !important;
+}
+
+.rounded-top {
+  border-top-left-radius: 0.25rem !important;
+  border-top-right-radius: 0.25rem !important;
+}
+
+.rounded-right {
+  border-top-right-radius: 0.25rem !important;
+  border-bottom-right-radius: 0.25rem !important;
+}
+
+.rounded-bottom {
+  border-bottom-right-radius: 0.25rem !important;
+  border-bottom-left-radius: 0.25rem !important;
+}
+
+.rounded-left {
+  border-top-left-radius: 0.25rem !important;
+  border-bottom-left-radius: 0.25rem !important;
+}
+
+.rounded-circle {
+  border-radius: 50% !important;
+}
+
+.rounded-0 {
+  border-radius: 0 !important;
+}
+
+.clearfix::after {
+  display: block;
+  clear: both;
+  content: "";
+}
+
+.d-none {
+  display: none !important;
+}
+
+.d-inline {
+  display: inline !important;
+}
+
+.d-inline-block {
+  display: inline-block !important;
+}
+
+.d-block {
+  display: block !important;
+}
+
+.d-table {
+  display: table !important;
+}
+
+.d-table-row {
+  display: table-row !important;
+}
+
+.d-table-cell {
+  display: table-cell !important;
+}
+
+.d-flex {
+  display: -webkit-box !important;
+  display: -ms-flexbox !important;
+  display: flex !important;
+}
+
+.d-inline-flex {
+  display: -webkit-inline-box !important;
+  display: -ms-inline-flexbox !important;
+  display: inline-flex !important;
+}
+
+@media (min-width: 576px) {
+  .d-sm-none {
+    display: none !important;
+  }
+
+  .d-sm-inline {
+    display: inline !important;
+  }
+
+  .d-sm-inline-block {
+    display: inline-block !important;
+  }
+
+  .d-sm-block {
+    display: block !important;
+  }
+
+  .d-sm-table {
+    display: table !important;
+  }
+
+  .d-sm-table-row {
+    display: table-row !important;
+  }
+
+  .d-sm-table-cell {
+    display: table-cell !important;
+  }
+
+  .d-sm-flex {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+  }
+
+  .d-sm-inline-flex {
+    display: -webkit-inline-box !important;
+    display: -ms-inline-flexbox !important;
+    display: inline-flex !important;
+  }
+}
+@media (min-width: 768px) {
+  .d-md-none {
+    display: none !important;
+  }
+
+  .d-md-inline {
+    display: inline !important;
+  }
+
+  .d-md-inline-block {
+    display: inline-block !important;
+  }
+
+  .d-md-block {
+    display: block !important;
+  }
+
+  .d-md-table {
+    display: table !important;
+  }
+
+  .d-md-table-row {
+    display: table-row !important;
+  }
+
+  .d-md-table-cell {
+    display: table-cell !important;
+  }
+
+  .d-md-flex {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+  }
+
+  .d-md-inline-flex {
+    display: -webkit-inline-box !important;
+    display: -ms-inline-flexbox !important;
+    display: inline-flex !important;
+  }
+}
+@media (min-width: 992px) {
+  .d-lg-none {
+    display: none !important;
+  }
+
+  .d-lg-inline {
+    display: inline !important;
+  }
+
+  .d-lg-inline-block {
+    display: inline-block !important;
+  }
+
+  .d-lg-block {
+    display: block !important;
+  }
+
+  .d-lg-table {
+    display: table !important;
+  }
+
+  .d-lg-table-row {
+    display: table-row !important;
+  }
+
+  .d-lg-table-cell {
+    display: table-cell !important;
+  }
+
+  .d-lg-flex {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+  }
+
+  .d-lg-inline-flex {
+    display: -webkit-inline-box !important;
+    display: -ms-inline-flexbox !important;
+    display: inline-flex !important;
+  }
+}
+@media (min-width: 1200px) {
+  .d-xl-none {
+    display: none !important;
+  }
+
+  .d-xl-inline {
+    display: inline !important;
+  }
+
+  .d-xl-inline-block {
+    display: inline-block !important;
+  }
+
+  .d-xl-block {
+    display: block !important;
+  }
+
+  .d-xl-table {
+    display: table !important;
+  }
+
+  .d-xl-table-row {
+    display: table-row !important;
+  }
+
+  .d-xl-table-cell {
+    display: table-cell !important;
+  }
+
+  .d-xl-flex {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+  }
+
+  .d-xl-inline-flex {
+    display: -webkit-inline-box !important;
+    display: -ms-inline-flexbox !important;
+    display: inline-flex !important;
+  }
+}
+@media print {
+  .d-print-none {
+    display: none !important;
+  }
+
+  .d-print-inline {
+    display: inline !important;
+  }
+
+  .d-print-inline-block {
+    display: inline-block !important;
+  }
+
+  .d-print-block {
+    display: block !important;
+  }
+
+  .d-print-table {
+    display: table !important;
+  }
+
+  .d-print-table-row {
+    display: table-row !important;
+  }
+
+  .d-print-table-cell {
+    display: table-cell !important;
+  }
+
+  .d-print-flex {
+    display: -webkit-box !important;
+    display: -ms-flexbox !important;
+    display: flex !important;
+  }
+
+  .d-print-inline-flex {
+    display: -webkit-inline-box !important;
+    display: -ms-inline-flexbox !important;
+    display: inline-flex !important;
+  }
+}
+.embed-responsive {
+  position: relative;
+  display: block;
+  width: 100%;
+  padding: 0;
+  overflow: hidden;
+}
+.embed-responsive::before {
+  display: block;
+  content: "";
+}
+.embed-responsive .embed-responsive-item,
+.embed-responsive iframe,
+.embed-responsive embed,
+.embed-responsive object,
+.embed-responsive video {
+  position: absolute;
+  top: 0;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  border: 0;
+}
+
+.embed-responsive-21by9::before {
+  padding-top: 42.8571428571%;
+}
+
+.embed-responsive-16by9::before {
+  padding-top: 56.25%;
+}
+
+.embed-responsive-4by3::before {
+  padding-top: 75%;
+}
+
+.embed-responsive-1by1::before {
+  padding-top: 100%;
+}
+
+.flex-row {
+  -webkit-box-orient: horizontal !important;
+  -webkit-box-direction: normal !important;
+      -ms-flex-direction: row !important;
+          flex-direction: row !important;
+}
+
+.flex-column {
+  -webkit-box-orient: vertical !important;
+  -webkit-box-direction: normal !important;
+      -ms-flex-direction: column !important;
+          flex-direction: column !important;
+}
+
+.flex-row-reverse {
+  -webkit-box-orient: horizontal !important;
+  -webkit-box-direction: reverse !important;
+      -ms-flex-direction: row-reverse !important;
+          flex-direction: row-reverse !important;
+}
+
+.flex-column-reverse {
+  -webkit-box-orient: vertical !important;
+  -webkit-box-direction: reverse !important;
+      -ms-flex-direction: column-reverse !important;
+          flex-direction: column-reverse !important;
+}
+
+.flex-wrap {
+  -ms-flex-wrap: wrap !important;
+      flex-wrap: wrap !important;
+}
+
+.flex-nowrap {
+  -ms-flex-wrap: nowrap !important;
+      flex-wrap: nowrap !important;
+}
+
+.flex-wrap-reverse {
+  -ms-flex-wrap: wrap-reverse !important;
+      flex-wrap: wrap-reverse !important;
+}
+
+.justify-content-start {
+  -webkit-box-pack: start !important;
+      -ms-flex-pack: start !important;
+          justify-content: flex-start !important;
+}
+
+.justify-content-end {
+  -webkit-box-pack: end !important;
+      -ms-flex-pack: end !important;
+          justify-content: flex-end !important;
+}
+
+.justify-content-center {
+  -webkit-box-pack: center !important;
+      -ms-flex-pack: center !important;
+          justify-content: center !important;
+}
+
+.justify-content-between {
+  -webkit-box-pack: justify !important;
+      -ms-flex-pack: justify !important;
+          justify-content: space-between !important;
+}
+
+.justify-content-around {
+  -ms-flex-pack: distribute !important;
+      justify-content: space-around !important;
+}
+
+.align-items-start {
+  -webkit-box-align: start !important;
+      -ms-flex-align: start !important;
+          align-items: flex-start !important;
+}
+
+.align-items-end {
+  -webkit-box-align: end !important;
+      -ms-flex-align: end !important;
+          align-items: flex-end !important;
+}
+
+.align-items-center {
+  -webkit-box-align: center !important;
+      -ms-flex-align: center !important;
+          align-items: center !important;
+}
+
+.align-items-baseline {
+  -webkit-box-align: baseline !important;
+      -ms-flex-align: baseline !important;
+          align-items: baseline !important;
+}
+
+.align-items-stretch {
+  -webkit-box-align: stretch !important;
+      -ms-flex-align: stretch !important;
+          align-items: stretch !important;
+}
+
+.align-content-start {
+  -ms-flex-line-pack: start !important;
+      align-content: flex-start !important;
+}
+
+.align-content-end {
+  -ms-flex-line-pack: end !important;
+      align-content: flex-end !important;
+}
+
+.align-content-center {
+  -ms-flex-line-pack: center !important;
+      align-content: center !important;
+}
+
+.align-content-between {
+  -ms-flex-line-pack: justify !important;
+      align-content: space-between !important;
+}
+
+.align-content-around {
+  -ms-flex-line-pack: distribute !important;
+      align-content: space-around !important;
+}
+
+.align-content-stretch {
+  -ms-flex-line-pack: stretch !important;
+      align-content: stretch !important;
+}
+
+.align-self-auto {
+  -ms-flex-item-align: auto !important;
+      align-self: auto !important;
+}
+
+.align-self-start {
+  -ms-flex-item-align: start !important;
+      align-self: flex-start !important;
+}
+
+.align-self-end {
+  -ms-flex-item-align: end !important;
+      align-self: flex-end !important;
+}
+
+.align-self-center {
+  -ms-flex-item-align: center !important;
+      align-self: center !important;
+}
+
+.align-self-baseline {
+  -ms-flex-item-align: baseline !important;
+      align-self: baseline !important;
+}
+
+.align-self-stretch {
+  -ms-flex-item-align: stretch !important;
+      align-self: stretch !important;
+}
+
+@media (min-width: 576px) {
+  .flex-sm-row {
+    -webkit-box-orient: horizontal !important;
+    -webkit-box-direction: normal !important;
+        -ms-flex-direction: row !important;
+            flex-direction: row !important;
+  }
+
+  .flex-sm-column {
+    -webkit-box-orient: vertical !important;
+    -webkit-box-direction: normal !important;
+        -ms-flex-direction: column !important;
+            flex-direction: column !important;
+  }
+
+  .flex-sm-row-reverse {
+    -webkit-box-orient: horizontal !important;
+    -webkit-box-direction: reverse !important;
+        -ms-flex-direction: row-reverse !important;
+            flex-direction: row-reverse !important;
+  }
+
+  .flex-sm-column-reverse {
+    -webkit-box-orient: vertical !important;
+    -webkit-box-direction: reverse !important;
+        -ms-flex-direction: column-reverse !important;
+            flex-direction: column-reverse !important;
+  }
+
+  .flex-sm-wrap {
+    -ms-flex-wrap: wrap !important;
+        flex-wrap: wrap !important;
+  }
+
+  .flex-sm-nowrap {
+    -ms-flex-wrap: nowrap !important;
+        flex-wrap: nowrap !important;
+  }
+
+  .flex-sm-wrap-reverse {
+    -ms-flex-wrap: wrap-reverse !important;
+        flex-wrap: wrap-reverse !important;
+  }
+
+  .justify-content-sm-start {
+    -webkit-box-pack: start !important;
+        -ms-flex-pack: start !important;
+            justify-content: flex-start !important;
+  }
+
+  .justify-content-sm-end {
+    -webkit-box-pack: end !important;
+        -ms-flex-pack: end !important;
+            justify-content: flex-end !important;
+  }
+
+  .justify-content-sm-center {
+    -webkit-box-pack: center !important;
+        -ms-flex-pack: center !important;
+            justify-content: center !important;
+  }
+
+  .justify-content-sm-between {
+    -webkit-box-pack: justify !important;
+        -ms-flex-pack: justify !important;
+            justify-content: space-between !important;
+  }
+
+  .justify-content-sm-around {
+    -ms-flex-pack: distribute !important;
+        justify-content: space-around !important;
+  }
+
+  .align-items-sm-start {
+    -webkit-box-align: start !important;
+        -ms-flex-align: start !important;
+            align-items: flex-start !important;
+  }
+
+  .align-items-sm-end {
+    -webkit-box-align: end !important;
+        -ms-flex-align: end !important;
+            align-items: flex-end !important;
+  }
+
+  .align-items-sm-center {
+    -webkit-box-align: center !important;
+        -ms-flex-align: center !important;
+            align-items: center !important;
+  }
+
+  .align-items-sm-baseline {
+    -webkit-box-align: baseline !important;
+        -ms-flex-align: baseline !important;
+            align-items: baseline !important;
+  }
+
+  .align-items-sm-stretch {
+    -webkit-box-align: stretch !important;
+        -ms-flex-align: stretch !important;
+            align-items: stretch !important;
+  }
+
+  .align-content-sm-start {
+    -ms-flex-line-pack: start !important;
+        align-content: flex-start !important;
+  }
+
+  .align-content-sm-end {
+    -ms-flex-line-pack: end !important;
+        align-content: flex-end !important;
+  }
+
+  .align-content-sm-center {
+    -ms-flex-line-pack: center !important;
+        align-content: center !important;
+  }
+
+  .align-content-sm-between {
+    -ms-flex-line-pack: justify !important;
+        align-content: space-between !important;
+  }
+
+  .align-content-sm-around {
+    -ms-flex-line-pack: distribute !important;
+        align-content: space-around !important;
+  }
+
+  .align-content-sm-stretch {
+    -ms-flex-line-pack: stretch !important;
+        align-content: stretch !important;
+  }
+
+  .align-self-sm-auto {
+    -ms-flex-item-align: auto !important;
+        align-self: auto !important;
+  }
+
+  .align-self-sm-start {
+    -ms-flex-item-align: start !important;
+        align-self: flex-start !important;
+  }
+
+  .align-self-sm-end {
+    -ms-flex-item-align: end !important;
+        align-self: flex-end !important;
+  }
+
+  .align-self-sm-center {
+    -ms-flex-item-align: center !important;
+        align-self: center !important;
+  }
+
+  .align-self-sm-baseline {
+    -ms-flex-item-align: baseline !important;
+        align-self: baseline !important;
+  }
+
+  .align-self-sm-stretch {
+    -ms-flex-item-align: stretch !important;
+        align-self: stretch !important;
+  }
+}
+@media (min-width: 768px) {
+  .flex-md-row {
+    -webkit-box-orient: horizontal !important;
+    -webkit-box-direction: normal !important;
+        -ms-flex-direction: row !important;
+            flex-direction: row !important;
+  }
+
+  .flex-md-column {
+    -webkit-box-orient: vertical !important;
+    -webkit-box-direction: normal !important;
+        -ms-flex-direction: column !important;
+            flex-direction: column !important;
+  }
+
+  .flex-md-row-reverse {
+    -webkit-box-orient: horizontal !important;
+    -webkit-box-direction: reverse !important;
+        -ms-flex-direction: row-reverse !important;
+            flex-direction: row-reverse !important;
+  }
+
+  .flex-md-column-reverse {
+    -webkit-box-orient: vertical !important;
+    -webkit-box-direction: reverse !important;
+        -ms-flex-direction: column-reverse !important;
+            flex-direction: column-reverse !important;
+  }
+
+  .flex-md-wrap {
+    -ms-flex-wrap: wrap !important;
+        flex-wrap: wrap !important;
+  }
+
+  .flex-md-nowrap {
+    -ms-flex-wrap: nowrap !important;
+        flex-wrap: nowrap !important;
+  }
+
+  .flex-md-wrap-reverse {
+    -ms-flex-wrap: wrap-reverse !important;
+        flex-wrap: wrap-reverse !important;
+  }
+
+  .justify-content-md-start {
+    -webkit-box-pack: start !important;
+        -ms-flex-pack: start !important;
+            justify-content: flex-start !important;
+  }
+
+  .justify-content-md-end {
+    -webkit-box-pack: end !important;
+        -ms-flex-pack: end !important;
+            justify-content: flex-end !important;
+  }
+
+  .justify-content-md-center {
+    -webkit-box-pack: center !important;
+        -ms-flex-pack: center !important;
+            justify-content: center !important;
+  }
+
+  .justify-content-md-between {
+    -webkit-box-pack: justify !important;
+        -ms-flex-pack: justify !important;
+            justify-content: space-between !important;
+  }
+
+  .justify-content-md-around {
+    -ms-flex-pack: distribute !important;
+        justify-content: space-around !important;
+  }
+
+  .align-items-md-start {
+    -webkit-box-align: start !important;
+        -ms-flex-align: start !important;
+            align-items: flex-start !important;
+  }
+
+  .align-items-md-end {
+    -webkit-box-align: end !important;
+        -ms-flex-align: end !important;
+            align-items: flex-end !important;
+  }
+
+  .align-items-md-center {
+    -webkit-box-align: center !important;
+        -ms-flex-align: center !important;
+            align-items: center !important;
+  }
+
+  .align-items-md-baseline {
+    -webkit-box-align: baseline !important;
+        -ms-flex-align: baseline !important;
+            align-items: baseline !important;
+  }
+
+  .align-items-md-stretch {
+    -webkit-box-align: stretch !important;
+        -ms-flex-align: stretch !important;
+            align-items: stretch !important;
+  }
+
+  .align-content-md-start {
+    -ms-flex-line-pack: start !important;
+        align-content: flex-start !important;
+  }
+
+  .align-content-md-end {
+    -ms-flex-line-pack: end !important;
+        align-content: flex-end !important;
+  }
+
+  .align-content-md-center {
+    -ms-flex-line-pack: center !important;
+        align-content: center !important;
+  }
+
+  .align-content-md-between {
+    -ms-flex-line-pack: justify !important;
+        align-content: space-between !important;
+  }
+
+  .align-content-md-around {
+    -ms-flex-line-pack: distribute !important;
+        align-content: space-around !important;
+  }
+
+  .align-content-md-stretch {
+    -ms-flex-line-pack: stretch !important;
+        align-content: stretch !important;
+  }
+
+  .align-self-md-auto {
+    -ms-flex-item-align: auto !important;
+        align-self: auto !important;
+  }
+
+  .align-self-md-start {
+    -ms-flex-item-align: start !important;
+        align-self: flex-start !important;
+  }
+
+  .align-self-md-end {
+    -ms-flex-item-align: end !important;
+        align-self: flex-end !important;
+  }
+
+  .align-self-md-center {
+    -ms-flex-item-align: center !important;
+        align-self: center !important;
+  }
+
+  .align-self-md-baseline {
+    -ms-flex-item-align: baseline !important;
+        align-self: baseline !important;
+  }
+
+  .align-self-md-stretch {
+    -ms-flex-item-align: stretch !important;
+        align-self: stretch !important;
+  }
+}
+@media (min-width: 992px) {
+  .flex-lg-row {
+    -webkit-box-orient: horizontal !important;
+    -webkit-box-direction: normal !important;
+        -ms-flex-direction: row !important;
+            flex-direction: row !important;
+  }
+
+  .flex-lg-column {
+    -webkit-box-orient: vertical !important;
+    -webkit-box-direction: normal !important;
+        -ms-flex-direction: column !important;
+            flex-direction: column !important;
+  }
+
+  .flex-lg-row-reverse {
+    -webkit-box-orient: horizontal !important;
+    -webkit-box-direction: reverse !important;
+        -ms-flex-direction: row-reverse !important;
+            flex-direction: row-reverse !important;
+  }
+
+  .flex-lg-column-reverse {
+    -webkit-box-orient: vertical !important;
+    -webkit-box-direction: reverse !important;
+        -ms-flex-direction: column-reverse !important;
+            flex-direction: column-reverse !important;
+  }
+
+  .flex-lg-wrap {
+    -ms-flex-wrap: wrap !important;
+        flex-wrap: wrap !important;
+  }
+
+  .flex-lg-nowrap {
+    -ms-flex-wrap: nowrap !important;
+        flex-wrap: nowrap !important;
+  }
+
+  .flex-lg-wrap-reverse {
+    -ms-flex-wrap: wrap-reverse !important;
+        flex-wrap: wrap-reverse !important;
+  }
+
+  .justify-content-lg-start {
+    -webkit-box-pack: start !important;
+        -ms-flex-pack: start !important;
+            justify-content: flex-start !important;
+  }
+
+  .justify-content-lg-end {
+    -webkit-box-pack: end !important;
+        -ms-flex-pack: end !important;
+            justify-content: flex-end !important;
+  }
+
+  .justify-content-lg-center {
+    -webkit-box-pack: center !important;
+        -ms-flex-pack: center !important;
+            justify-content: center !important;
+  }
+
+  .justify-content-lg-between {
+    -webkit-box-pack: justify !important;
+        -ms-flex-pack: justify !important;
+            justify-content: space-between !important;
+  }
+
+  .justify-content-lg-around {
+    -ms-flex-pack: distribute !important;
+        justify-content: space-around !important;
+  }
+
+  .align-items-lg-start {
+    -webkit-box-align: start !important;
+        -ms-flex-align: start !important;
+            align-items: flex-start !important;
+  }
+
+  .align-items-lg-end {
+    -webkit-box-align: end !important;
+        -ms-flex-align: end !important;
+            align-items: flex-end !important;
+  }
+
+  .align-items-lg-center {
+    -webkit-box-align: center !important;
+        -ms-flex-align: center !important;
+            align-items: center !important;
+  }
+
+  .align-items-lg-baseline {
+    -webkit-box-align: baseline !important;
+        -ms-flex-align: baseline !important;
+            align-items: baseline !important;
+  }
+
+  .align-items-lg-stretch {
+    -webkit-box-align: stretch !important;
+        -ms-flex-align: stretch !important;
+            align-items: stretch !important;
+  }
+
+  .align-content-lg-start {
+    -ms-flex-line-pack: start !important;
+        align-content: flex-start !important;
+  }
+
+  .align-content-lg-end {
+    -ms-flex-line-pack: end !important;
+        align-content: flex-end !important;
+  }
+
+  .align-content-lg-center {
+    -ms-flex-line-pack: center !important;
+        align-content: center !important;
+  }
+
+  .align-content-lg-between {
+    -ms-flex-line-pack: justify !important;
+        align-content: space-between !important;
+  }
+
+  .align-content-lg-around {
+    -ms-flex-line-pack: distribute !important;
+        align-content: space-around !important;
+  }
+
+  .align-content-lg-stretch {
+    -ms-flex-line-pack: stretch !important;
+        align-content: stretch !important;
+  }
+
+  .align-self-lg-auto {
+    -ms-flex-item-align: auto !important;
+        align-self: auto !important;
+  }
+
+  .align-self-lg-start {
+    -ms-flex-item-align: start !important;
+        align-self: flex-start !important;
+  }
+
+  .align-self-lg-end {
+    -ms-flex-item-align: end !important;
+        align-self: flex-end !important;
+  }
+
+  .align-self-lg-center {
+    -ms-flex-item-align: center !important;
+        align-self: center !important;
+  }
+
+  .align-self-lg-baseline {
+    -ms-flex-item-align: baseline !important;
+        align-self: baseline !important;
+  }
+
+  .align-self-lg-stretch {
+    -ms-flex-item-align: stretch !important;
+        align-self: stretch !important;
+  }
+}
+@media (min-width: 1200px) {
+  .flex-xl-row {
+    -webkit-box-orient: horizontal !important;
+    -webkit-box-direction: normal !important;
+        -ms-flex-direction: row !important;
+            flex-direction: row !important;
+  }
+
+  .flex-xl-column {
+    -webkit-box-orient: vertical !important;
+    -webkit-box-direction: normal !important;
+        -ms-flex-direction: column !important;
+            flex-direction: column !important;
+  }
+
+  .flex-xl-row-reverse {
+    -webkit-box-orient: horizontal !important;
+    -webkit-box-direction: reverse !important;
+        -ms-flex-direction: row-reverse !important;
+            flex-direction: row-reverse !important;
+  }
+
+  .flex-xl-column-reverse {
+    -webkit-box-orient: vertical !important;
+    -webkit-box-direction: reverse !important;
+        -ms-flex-direction: column-reverse !important;
+            flex-direction: column-reverse !important;
+  }
+
+  .flex-xl-wrap {
+    -ms-flex-wrap: wrap !important;
+        flex-wrap: wrap !important;
+  }
+
+  .flex-xl-nowrap {
+    -ms-flex-wrap: nowrap !important;
+        flex-wrap: nowrap !important;
+  }
+
+  .flex-xl-wrap-reverse {
+    -ms-flex-wrap: wrap-reverse !important;
+        flex-wrap: wrap-reverse !important;
+  }
+
+  .justify-content-xl-start {
+    -webkit-box-pack: start !important;
+        -ms-flex-pack: start !important;
+            justify-content: flex-start !important;
+  }
+
+  .justify-content-xl-end {
+    -webkit-box-pack: end !important;
+        -ms-flex-pack: end !important;
+            justify-content: flex-end !important;
+  }
+
+  .justify-content-xl-center {
+    -webkit-box-pack: center !important;
+        -ms-flex-pack: center !important;
+            justify-content: center !important;
+  }
+
+  .justify-content-xl-between {
+    -webkit-box-pack: justify !important;
+        -ms-flex-pack: justify !important;
+            justify-content: space-between !important;
+  }
+
+  .justify-content-xl-around {
+    -ms-flex-pack: distribute !important;
+        justify-content: space-around !important;
+  }
+
+  .align-items-xl-start {
+    -webkit-box-align: start !important;
+        -ms-flex-align: start !important;
+            align-items: flex-start !important;
+  }
+
+  .align-items-xl-end {
+    -webkit-box-align: end !important;
+        -ms-flex-align: end !important;
+            align-items: flex-end !important;
+  }
+
+  .align-items-xl-center {
+    -webkit-box-align: center !important;
+        -ms-flex-align: center !important;
+            align-items: center !important;
+  }
+
+  .align-items-xl-baseline {
+    -webkit-box-align: baseline !important;
+        -ms-flex-align: baseline !important;
+            align-items: baseline !important;
+  }
+
+  .align-items-xl-stretch {
+    -webkit-box-align: stretch !important;
+        -ms-flex-align: stretch !important;
+            align-items: stretch !important;
+  }
+
+  .align-content-xl-start {
+    -ms-flex-line-pack: start !important;
+        align-content: flex-start !important;
+  }
+
+  .align-content-xl-end {
+    -ms-flex-line-pack: end !important;
+        align-content: flex-end !important;
+  }
+
+  .align-content-xl-center {
+    -ms-flex-line-pack: center !important;
+        align-content: center !important;
+  }
+
+  .align-content-xl-between {
+    -ms-flex-line-pack: justify !important;
+        align-content: space-between !important;
+  }
+
+  .align-content-xl-around {
+    -ms-flex-line-pack: distribute !important;
+        align-content: space-around !important;
+  }
+
+  .align-content-xl-stretch {
+    -ms-flex-line-pack: stretch !important;
+        align-content: stretch !important;
+  }
+
+  .align-self-xl-auto {
+    -ms-flex-item-align: auto !important;
+        align-self: auto !important;
+  }
+
+  .align-self-xl-start {
+    -ms-flex-item-align: start !important;
+        align-self: flex-start !important;
+  }
+
+  .align-self-xl-end {
+    -ms-flex-item-align: end !important;
+        align-self: flex-end !important;
+  }
+
+  .align-self-xl-center {
+    -ms-flex-item-align: center !important;
+        align-self: center !important;
+  }
+
+  .align-self-xl-baseline {
+    -ms-flex-item-align: baseline !important;
+        align-self: baseline !important;
+  }
+
+  .align-self-xl-stretch {
+    -ms-flex-item-align: stretch !important;
+        align-self: stretch !important;
+  }
+}
+.float-left {
+  float: left !important;
+}
+
+.float-right {
+  float: right !important;
+}
+
+.float-none {
+  float: none !important;
+}
+
+@media (min-width: 576px) {
+  .float-sm-left {
+    float: left !important;
+  }
+
+  .float-sm-right {
+    float: right !important;
+  }
+
+  .float-sm-none {
+    float: none !important;
+  }
+}
+@media (min-width: 768px) {
+  .float-md-left {
+    float: left !important;
+  }
+
+  .float-md-right {
+    float: right !important;
+  }
+
+  .float-md-none {
+    float: none !important;
+  }
+}
+@media (min-width: 992px) {
+  .float-lg-left {
+    float: left !important;
+  }
+
+  .float-lg-right {
+    float: right !important;
+  }
+
+  .float-lg-none {
+    float: none !important;
+  }
+}
+@media (min-width: 1200px) {
+  .float-xl-left {
+    float: left !important;
+  }
+
+  .float-xl-right {
+    float: right !important;
+  }
+
+  .float-xl-none {
+    float: none !important;
+  }
+}
+.position-static {
+  position: static !important;
+}
+
+.position-relative {
+  position: relative !important;
+}
+
+.position-absolute {
+  position: absolute !important;
+}
+
+.position-fixed {
+  position: fixed !important;
+}
+
+.position-sticky {
+  position: -webkit-sticky !important;
+  position: sticky !important;
+}
+
+.fixed-top {
+  position: fixed;
+  top: 0;
+  right: 0;
+  left: 0;
+  z-index: 1030;
+}
+
+.fixed-bottom {
+  position: fixed;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 1030;
+}
+
+@supports ((position: -webkit-sticky) or (position: sticky)) {
+  .sticky-top {
+    position: -webkit-sticky;
+    position: sticky;
+    top: 0;
+    z-index: 1020;
+  }
+}
+
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  -webkit-clip-path: inset(50%);
+          clip-path: inset(50%);
+  border: 0;
+}
+
+.sr-only-focusable:active, .sr-only-focusable:focus {
+  position: static;
+  width: auto;
+  height: auto;
+  overflow: visible;
+  clip: auto;
+  white-space: normal;
+  -webkit-clip-path: none;
+          clip-path: none;
+}
+
+.w-25 {
+  width: 25% !important;
+}
+
+.w-50 {
+  width: 50% !important;
+}
+
+.w-75 {
+  width: 75% !important;
+}
+
+.w-100 {
+  width: 100% !important;
+}
+
+.h-25 {
+  height: 25% !important;
+}
+
+.h-50 {
+  height: 50% !important;
+}
+
+.h-75 {
+  height: 75% !important;
+}
+
+.h-100 {
+  height: 100% !important;
+}
+
+.mw-100 {
+  max-width: 100% !important;
+}
+
+.mh-100 {
+  max-height: 100% !important;
+}
+
+.m-0 {
+  margin: 0 !important;
+}
+
+.mt-0,
+.my-0 {
+  margin-top: 0 !important;
+}
+
+.mr-0,
+.mx-0 {
+  margin-right: 0 !important;
+}
+
+.mb-0,
+.my-0 {
+  margin-bottom: 0 !important;
+}
+
+.ml-0,
+.mx-0 {
+  margin-left: 0 !important;
+}
+
+.m-1 {
+  margin: 0.25rem !important;
+}
+
+.mt-1,
+.my-1 {
+  margin-top: 0.25rem !important;
+}
+
+.mr-1,
+.mx-1 {
+  margin-right: 0.25rem !important;
+}
+
+.mb-1,
+.my-1 {
+  margin-bottom: 0.25rem !important;
+}
+
+.ml-1,
+.mx-1 {
+  margin-left: 0.25rem !important;
+}
+
+.m-2 {
+  margin: 0.5rem !important;
+}
+
+.mt-2,
+.my-2 {
+  margin-top: 0.5rem !important;
+}
+
+.mr-2,
+.mx-2 {
+  margin-right: 0.5rem !important;
+}
+
+.mb-2,
+.my-2 {
+  margin-bottom: 0.5rem !important;
+}
+
+.ml-2,
+.mx-2 {
+  margin-left: 0.5rem !important;
+}
+
+.m-3 {
+  margin: 1rem !important;
+}
+
+.mt-3,
+.my-3 {
+  margin-top: 1rem !important;
+}
+
+.mr-3,
+.mx-3 {
+  margin-right: 1rem !important;
+}
+
+.mb-3,
+.my-3 {
+  margin-bottom: 1rem !important;
+}
+
+.ml-3,
+.mx-3 {
+  margin-left: 1rem !important;
+}
+
+.m-4 {
+  margin: 1.5rem !important;
+}
+
+.mt-4,
+.my-4 {
+  margin-top: 1.5rem !important;
+}
+
+.mr-4,
+.mx-4 {
+  margin-right: 1.5rem !important;
+}
+
+.mb-4,
+.my-4 {
+  margin-bottom: 1.5rem !important;
+}
+
+.ml-4,
+.mx-4 {
+  margin-left: 1.5rem !important;
+}
+
+.m-5 {
+  margin: 3rem !important;
+}
+
+.mt-5,
+.my-5 {
+  margin-top: 3rem !important;
+}
+
+.mr-5,
+.mx-5 {
+  margin-right: 3rem !important;
+}
+
+.mb-5,
+.my-5 {
+  margin-bottom: 3rem !important;
+}
+
+.ml-5,
+.mx-5 {
+  margin-left: 3rem !important;
+}
+
+.p-0 {
+  padding: 0 !important;
+}
+
+.pt-0,
+.py-0 {
+  padding-top: 0 !important;
+}
+
+.pr-0,
+.px-0 {
+  padding-right: 0 !important;
+}
+
+.pb-0,
+.py-0 {
+  padding-bottom: 0 !important;
+}
+
+.pl-0,
+.px-0 {
+  padding-left: 0 !important;
+}
+
+.p-1 {
+  padding: 0.25rem !important;
+}
+
+.pt-1,
+.py-1 {
+  padding-top: 0.25rem !important;
+}
+
+.pr-1,
+.px-1 {
+  padding-right: 0.25rem !important;
+}
+
+.pb-1,
+.py-1 {
+  padding-bottom: 0.25rem !important;
+}
+
+.pl-1,
+.px-1 {
+  padding-left: 0.25rem !important;
+}
+
+.p-2 {
+  padding: 0.5rem !important;
+}
+
+.pt-2,
+.py-2 {
+  padding-top: 0.5rem !important;
+}
+
+.pr-2,
+.px-2 {
+  padding-right: 0.5rem !important;
+}
+
+.pb-2,
+.py-2 {
+  padding-bottom: 0.5rem !important;
+}
+
+.pl-2,
+.px-2 {
+  padding-left: 0.5rem !important;
+}
+
+.p-3 {
+  padding: 1rem !important;
+}
+
+.pt-3,
+.py-3 {
+  padding-top: 1rem !important;
+}
+
+.pr-3,
+.px-3 {
+  padding-right: 1rem !important;
+}
+
+.pb-3,
+.py-3 {
+  padding-bottom: 1rem !important;
+}
+
+.pl-3,
+.px-3 {
+  padding-left: 1rem !important;
+}
+
+.p-4 {
+  padding: 1.5rem !important;
+}
+
+.pt-4,
+.py-4 {
+  padding-top: 1.5rem !important;
+}
+
+.pr-4,
+.px-4 {
+  padding-right: 1.5rem !important;
+}
+
+.pb-4,
+.py-4 {
+  padding-bottom: 1.5rem !important;
+}
+
+.pl-4,
+.px-4 {
+  padding-left: 1.5rem !important;
+}
+
+.p-5 {
+  padding: 3rem !important;
+}
+
+.pt-5,
+.py-5 {
+  padding-top: 3rem !important;
+}
+
+.pr-5,
+.px-5 {
+  padding-right: 3rem !important;
+}
+
+.pb-5,
+.py-5 {
+  padding-bottom: 3rem !important;
+}
+
+.pl-5,
+.px-5 {
+  padding-left: 3rem !important;
+}
+
+.m-auto {
+  margin: auto !important;
+}
+
+.mt-auto,
+.my-auto {
+  margin-top: auto !important;
+}
+
+.mr-auto,
+.mx-auto {
+  margin-right: auto !important;
+}
+
+.mb-auto,
+.my-auto {
+  margin-bottom: auto !important;
+}
+
+.ml-auto,
+.mx-auto {
+  margin-left: auto !important;
+}
+
+@media (min-width: 576px) {
+  .m-sm-0 {
+    margin: 0 !important;
+  }
+
+  .mt-sm-0,
+  .my-sm-0 {
+    margin-top: 0 !important;
+  }
+
+  .mr-sm-0,
+  .mx-sm-0 {
+    margin-right: 0 !important;
+  }
+
+  .mb-sm-0,
+  .my-sm-0 {
+    margin-bottom: 0 !important;
+  }
+
+  .ml-sm-0,
+  .mx-sm-0 {
+    margin-left: 0 !important;
+  }
+
+  .m-sm-1 {
+    margin: 0.25rem !important;
+  }
+
+  .mt-sm-1,
+  .my-sm-1 {
+    margin-top: 0.25rem !important;
+  }
+
+  .mr-sm-1,
+  .mx-sm-1 {
+    margin-right: 0.25rem !important;
+  }
+
+  .mb-sm-1,
+  .my-sm-1 {
+    margin-bottom: 0.25rem !important;
+  }
+
+  .ml-sm-1,
+  .mx-sm-1 {
+    margin-left: 0.25rem !important;
+  }
+
+  .m-sm-2 {
+    margin: 0.5rem !important;
+  }
+
+  .mt-sm-2,
+  .my-sm-2 {
+    margin-top: 0.5rem !important;
+  }
+
+  .mr-sm-2,
+  .mx-sm-2 {
+    margin-right: 0.5rem !important;
+  }
+
+  .mb-sm-2,
+  .my-sm-2 {
+    margin-bottom: 0.5rem !important;
+  }
+
+  .ml-sm-2,
+  .mx-sm-2 {
+    margin-left: 0.5rem !important;
+  }
+
+  .m-sm-3 {
+    margin: 1rem !important;
+  }
+
+  .mt-sm-3,
+  .my-sm-3 {
+    margin-top: 1rem !important;
+  }
+
+  .mr-sm-3,
+  .mx-sm-3 {
+    margin-right: 1rem !important;
+  }
+
+  .mb-sm-3,
+  .my-sm-3 {
+    margin-bottom: 1rem !important;
+  }
+
+  .ml-sm-3,
+  .mx-sm-3 {
+    margin-left: 1rem !important;
+  }
+
+  .m-sm-4 {
+    margin: 1.5rem !important;
+  }
+
+  .mt-sm-4,
+  .my-sm-4 {
+    margin-top: 1.5rem !important;
+  }
+
+  .mr-sm-4,
+  .mx-sm-4 {
+    margin-right: 1.5rem !important;
+  }
+
+  .mb-sm-4,
+  .my-sm-4 {
+    margin-bottom: 1.5rem !important;
+  }
+
+  .ml-sm-4,
+  .mx-sm-4 {
+    margin-left: 1.5rem !important;
+  }
+
+  .m-sm-5 {
+    margin: 3rem !important;
+  }
+
+  .mt-sm-5,
+  .my-sm-5 {
+    margin-top: 3rem !important;
+  }
+
+  .mr-sm-5,
+  .mx-sm-5 {
+    margin-right: 3rem !important;
+  }
+
+  .mb-sm-5,
+  .my-sm-5 {
+    margin-bottom: 3rem !important;
+  }
+
+  .ml-sm-5,
+  .mx-sm-5 {
+    margin-left: 3rem !important;
+  }
+
+  .p-sm-0 {
+    padding: 0 !important;
+  }
+
+  .pt-sm-0,
+  .py-sm-0 {
+    padding-top: 0 !important;
+  }
+
+  .pr-sm-0,
+  .px-sm-0 {
+    padding-right: 0 !important;
+  }
+
+  .pb-sm-0,
+  .py-sm-0 {
+    padding-bottom: 0 !important;
+  }
+
+  .pl-sm-0,
+  .px-sm-0 {
+    padding-left: 0 !important;
+  }
+
+  .p-sm-1 {
+    padding: 0.25rem !important;
+  }
+
+  .pt-sm-1,
+  .py-sm-1 {
+    padding-top: 0.25rem !important;
+  }
+
+  .pr-sm-1,
+  .px-sm-1 {
+    padding-right: 0.25rem !important;
+  }
+
+  .pb-sm-1,
+  .py-sm-1 {
+    padding-bottom: 0.25rem !important;
+  }
+
+  .pl-sm-1,
+  .px-sm-1 {
+    padding-left: 0.25rem !important;
+  }
+
+  .p-sm-2 {
+    padding: 0.5rem !important;
+  }
+
+  .pt-sm-2,
+  .py-sm-2 {
+    padding-top: 0.5rem !important;
+  }
+
+  .pr-sm-2,
+  .px-sm-2 {
+    padding-right: 0.5rem !important;
+  }
+
+  .pb-sm-2,
+  .py-sm-2 {
+    padding-bottom: 0.5rem !important;
+  }
+
+  .pl-sm-2,
+  .px-sm-2 {
+    padding-left: 0.5rem !important;
+  }
+
+  .p-sm-3 {
+    padding: 1rem !important;
+  }
+
+  .pt-sm-3,
+  .py-sm-3 {
+    padding-top: 1rem !important;
+  }
+
+  .pr-sm-3,
+  .px-sm-3 {
+    padding-right: 1rem !important;
+  }
+
+  .pb-sm-3,
+  .py-sm-3 {
+    padding-bottom: 1rem !important;
+  }
+
+  .pl-sm-3,
+  .px-sm-3 {
+    padding-left: 1rem !important;
+  }
+
+  .p-sm-4 {
+    padding: 1.5rem !important;
+  }
+
+  .pt-sm-4,
+  .py-sm-4 {
+    padding-top: 1.5rem !important;
+  }
+
+  .pr-sm-4,
+  .px-sm-4 {
+    padding-right: 1.5rem !important;
+  }
+
+  .pb-sm-4,
+  .py-sm-4 {
+    padding-bottom: 1.5rem !important;
+  }
+
+  .pl-sm-4,
+  .px-sm-4 {
+    padding-left: 1.5rem !important;
+  }
+
+  .p-sm-5 {
+    padding: 3rem !important;
+  }
+
+  .pt-sm-5,
+  .py-sm-5 {
+    padding-top: 3rem !important;
+  }
+
+  .pr-sm-5,
+  .px-sm-5 {
+    padding-right: 3rem !important;
+  }
+
+  .pb-sm-5,
+  .py-sm-5 {
+    padding-bottom: 3rem !important;
+  }
+
+  .pl-sm-5,
+  .px-sm-5 {
+    padding-left: 3rem !important;
+  }
+
+  .m-sm-auto {
+    margin: auto !important;
+  }
+
+  .mt-sm-auto,
+  .my-sm-auto {
+    margin-top: auto !important;
+  }
+
+  .mr-sm-auto,
+  .mx-sm-auto {
+    margin-right: auto !important;
+  }
+
+  .mb-sm-auto,
+  .my-sm-auto {
+    margin-bottom: auto !important;
+  }
+
+  .ml-sm-auto,
+  .mx-sm-auto {
+    margin-left: auto !important;
+  }
+}
+@media (min-width: 768px) {
+  .m-md-0 {
+    margin: 0 !important;
+  }
+
+  .mt-md-0,
+  .my-md-0 {
+    margin-top: 0 !important;
+  }
+
+  .mr-md-0,
+  .mx-md-0 {
+    margin-right: 0 !important;
+  }
+
+  .mb-md-0,
+  .my-md-0 {
+    margin-bottom: 0 !important;
+  }
+
+  .ml-md-0,
+  .mx-md-0 {
+    margin-left: 0 !important;
+  }
+
+  .m-md-1 {
+    margin: 0.25rem !important;
+  }
+
+  .mt-md-1,
+  .my-md-1 {
+    margin-top: 0.25rem !important;
+  }
+
+  .mr-md-1,
+  .mx-md-1 {
+    margin-right: 0.25rem !important;
+  }
+
+  .mb-md-1,
+  .my-md-1 {
+    margin-bottom: 0.25rem !important;
+  }
+
+  .ml-md-1,
+  .mx-md-1 {
+    margin-left: 0.25rem !important;
+  }
+
+  .m-md-2 {
+    margin: 0.5rem !important;
+  }
+
+  .mt-md-2,
+  .my-md-2 {
+    margin-top: 0.5rem !important;
+  }
+
+  .mr-md-2,
+  .mx-md-2 {
+    margin-right: 0.5rem !important;
+  }
+
+  .mb-md-2,
+  .my-md-2 {
+    margin-bottom: 0.5rem !important;
+  }
+
+  .ml-md-2,
+  .mx-md-2 {
+    margin-left: 0.5rem !important;
+  }
+
+  .m-md-3 {
+    margin: 1rem !important;
+  }
+
+  .mt-md-3,
+  .my-md-3 {
+    margin-top: 1rem !important;
+  }
+
+  .mr-md-3,
+  .mx-md-3 {
+    margin-right: 1rem !important;
+  }
+
+  .mb-md-3,
+  .my-md-3 {
+    margin-bottom: 1rem !important;
+  }
+
+  .ml-md-3,
+  .mx-md-3 {
+    margin-left: 1rem !important;
+  }
+
+  .m-md-4 {
+    margin: 1.5rem !important;
+  }
+
+  .mt-md-4,
+  .my-md-4 {
+    margin-top: 1.5rem !important;
+  }
+
+  .mr-md-4,
+  .mx-md-4 {
+    margin-right: 1.5rem !important;
+  }
+
+  .mb-md-4,
+  .my-md-4 {
+    margin-bottom: 1.5rem !important;
+  }
+
+  .ml-md-4,
+  .mx-md-4 {
+    margin-left: 1.5rem !important;
+  }
+
+  .m-md-5 {
+    margin: 3rem !important;
+  }
+
+  .mt-md-5,
+  .my-md-5 {
+    margin-top: 3rem !important;
+  }
+
+  .mr-md-5,
+  .mx-md-5 {
+    margin-right: 3rem !important;
+  }
+
+  .mb-md-5,
+  .my-md-5 {
+    margin-bottom: 3rem !important;
+  }
+
+  .ml-md-5,
+  .mx-md-5 {
+    margin-left: 3rem !important;
+  }
+
+  .p-md-0 {
+    padding: 0 !important;
+  }
+
+  .pt-md-0,
+  .py-md-0 {
+    padding-top: 0 !important;
+  }
+
+  .pr-md-0,
+  .px-md-0 {
+    padding-right: 0 !important;
+  }
+
+  .pb-md-0,
+  .py-md-0 {
+    padding-bottom: 0 !important;
+  }
+
+  .pl-md-0,
+  .px-md-0 {
+    padding-left: 0 !important;
+  }
+
+  .p-md-1 {
+    padding: 0.25rem !important;
+  }
+
+  .pt-md-1,
+  .py-md-1 {
+    padding-top: 0.25rem !important;
+  }
+
+  .pr-md-1,
+  .px-md-1 {
+    padding-right: 0.25rem !important;
+  }
+
+  .pb-md-1,
+  .py-md-1 {
+    padding-bottom: 0.25rem !important;
+  }
+
+  .pl-md-1,
+  .px-md-1 {
+    padding-left: 0.25rem !important;
+  }
+
+  .p-md-2 {
+    padding: 0.5rem !important;
+  }
+
+  .pt-md-2,
+  .py-md-2 {
+    padding-top: 0.5rem !important;
+  }
+
+  .pr-md-2,
+  .px-md-2 {
+    padding-right: 0.5rem !important;
+  }
+
+  .pb-md-2,
+  .py-md-2 {
+    padding-bottom: 0.5rem !important;
+  }
+
+  .pl-md-2,
+  .px-md-2 {
+    padding-left: 0.5rem !important;
+  }
+
+  .p-md-3 {
+    padding: 1rem !important;
+  }
+
+  .pt-md-3,
+  .py-md-3 {
+    padding-top: 1rem !important;
+  }
+
+  .pr-md-3,
+  .px-md-3 {
+    padding-right: 1rem !important;
+  }
+
+  .pb-md-3,
+  .py-md-3 {
+    padding-bottom: 1rem !important;
+  }
+
+  .pl-md-3,
+  .px-md-3 {
+    padding-left: 1rem !important;
+  }
+
+  .p-md-4 {
+    padding: 1.5rem !important;
+  }
+
+  .pt-md-4,
+  .py-md-4 {
+    padding-top: 1.5rem !important;
+  }
+
+  .pr-md-4,
+  .px-md-4 {
+    padding-right: 1.5rem !important;
+  }
+
+  .pb-md-4,
+  .py-md-4 {
+    padding-bottom: 1.5rem !important;
+  }
+
+  .pl-md-4,
+  .px-md-4 {
+    padding-left: 1.5rem !important;
+  }
+
+  .p-md-5 {
+    padding: 3rem !important;
+  }
+
+  .pt-md-5,
+  .py-md-5 {
+    padding-top: 3rem !important;
+  }
+
+  .pr-md-5,
+  .px-md-5 {
+    padding-right: 3rem !important;
+  }
+
+  .pb-md-5,
+  .py-md-5 {
+    padding-bottom: 3rem !important;
+  }
+
+  .pl-md-5,
+  .px-md-5 {
+    padding-left: 3rem !important;
+  }
+
+  .m-md-auto {
+    margin: auto !important;
+  }
+
+  .mt-md-auto,
+  .my-md-auto {
+    margin-top: auto !important;
+  }
+
+  .mr-md-auto,
+  .mx-md-auto {
+    margin-right: auto !important;
+  }
+
+  .mb-md-auto,
+  .my-md-auto {
+    margin-bottom: auto !important;
+  }
+
+  .ml-md-auto,
+  .mx-md-auto {
+    margin-left: auto !important;
+  }
+}
+@media (min-width: 992px) {
+  .m-lg-0 {
+    margin: 0 !important;
+  }
+
+  .mt-lg-0,
+  .my-lg-0 {
+    margin-top: 0 !important;
+  }
+
+  .mr-lg-0,
+  .mx-lg-0 {
+    margin-right: 0 !important;
+  }
+
+  .mb-lg-0,
+  .my-lg-0 {
+    margin-bottom: 0 !important;
+  }
+
+  .ml-lg-0,
+  .mx-lg-0 {
+    margin-left: 0 !important;
+  }
+
+  .m-lg-1 {
+    margin: 0.25rem !important;
+  }
+
+  .mt-lg-1,
+  .my-lg-1 {
+    margin-top: 0.25rem !important;
+  }
+
+  .mr-lg-1,
+  .mx-lg-1 {
+    margin-right: 0.25rem !important;
+  }
+
+  .mb-lg-1,
+  .my-lg-1 {
+    margin-bottom: 0.25rem !important;
+  }
+
+  .ml-lg-1,
+  .mx-lg-1 {
+    margin-left: 0.25rem !important;
+  }
+
+  .m-lg-2 {
+    margin: 0.5rem !important;
+  }
+
+  .mt-lg-2,
+  .my-lg-2 {
+    margin-top: 0.5rem !important;
+  }
+
+  .mr-lg-2,
+  .mx-lg-2 {
+    margin-right: 0.5rem !important;
+  }
+
+  .mb-lg-2,
+  .my-lg-2 {
+    margin-bottom: 0.5rem !important;
+  }
+
+  .ml-lg-2,
+  .mx-lg-2 {
+    margin-left: 0.5rem !important;
+  }
+
+  .m-lg-3 {
+    margin: 1rem !important;
+  }
+
+  .mt-lg-3,
+  .my-lg-3 {
+    margin-top: 1rem !important;
+  }
+
+  .mr-lg-3,
+  .mx-lg-3 {
+    margin-right: 1rem !important;
+  }
+
+  .mb-lg-3,
+  .my-lg-3 {
+    margin-bottom: 1rem !important;
+  }
+
+  .ml-lg-3,
+  .mx-lg-3 {
+    margin-left: 1rem !important;
+  }
+
+  .m-lg-4 {
+    margin: 1.5rem !important;
+  }
+
+  .mt-lg-4,
+  .my-lg-4 {
+    margin-top: 1.5rem !important;
+  }
+
+  .mr-lg-4,
+  .mx-lg-4 {
+    margin-right: 1.5rem !important;
+  }
+
+  .mb-lg-4,
+  .my-lg-4 {
+    margin-bottom: 1.5rem !important;
+  }
+
+  .ml-lg-4,
+  .mx-lg-4 {
+    margin-left: 1.5rem !important;
+  }
+
+  .m-lg-5 {
+    margin: 3rem !important;
+  }
+
+  .mt-lg-5,
+  .my-lg-5 {
+    margin-top: 3rem !important;
+  }
+
+  .mr-lg-5,
+  .mx-lg-5 {
+    margin-right: 3rem !important;
+  }
+
+  .mb-lg-5,
+  .my-lg-5 {
+    margin-bottom: 3rem !important;
+  }
+
+  .ml-lg-5,
+  .mx-lg-5 {
+    margin-left: 3rem !important;
+  }
+
+  .p-lg-0 {
+    padding: 0 !important;
+  }
+
+  .pt-lg-0,
+  .py-lg-0 {
+    padding-top: 0 !important;
+  }
+
+  .pr-lg-0,
+  .px-lg-0 {
+    padding-right: 0 !important;
+  }
+
+  .pb-lg-0,
+  .py-lg-0 {
+    padding-bottom: 0 !important;
+  }
+
+  .pl-lg-0,
+  .px-lg-0 {
+    padding-left: 0 !important;
+  }
+
+  .p-lg-1 {
+    padding: 0.25rem !important;
+  }
+
+  .pt-lg-1,
+  .py-lg-1 {
+    padding-top: 0.25rem !important;
+  }
+
+  .pr-lg-1,
+  .px-lg-1 {
+    padding-right: 0.25rem !important;
+  }
+
+  .pb-lg-1,
+  .py-lg-1 {
+    padding-bottom: 0.25rem !important;
+  }
+
+  .pl-lg-1,
+  .px-lg-1 {
+    padding-left: 0.25rem !important;
+  }
+
+  .p-lg-2 {
+    padding: 0.5rem !important;
+  }
+
+  .pt-lg-2,
+  .py-lg-2 {
+    padding-top: 0.5rem !important;
+  }
+
+  .pr-lg-2,
+  .px-lg-2 {
+    padding-right: 0.5rem !important;
+  }
+
+  .pb-lg-2,
+  .py-lg-2 {
+    padding-bottom: 0.5rem !important;
+  }
+
+  .pl-lg-2,
+  .px-lg-2 {
+    padding-left: 0.5rem !important;
+  }
+
+  .p-lg-3 {
+    padding: 1rem !important;
+  }
+
+  .pt-lg-3,
+  .py-lg-3 {
+    padding-top: 1rem !important;
+  }
+
+  .pr-lg-3,
+  .px-lg-3 {
+    padding-right: 1rem !important;
+  }
+
+  .pb-lg-3,
+  .py-lg-3 {
+    padding-bottom: 1rem !important;
+  }
+
+  .pl-lg-3,
+  .px-lg-3 {
+    padding-left: 1rem !important;
+  }
+
+  .p-lg-4 {
+    padding: 1.5rem !important;
+  }
+
+  .pt-lg-4,
+  .py-lg-4 {
+    padding-top: 1.5rem !important;
+  }
+
+  .pr-lg-4,
+  .px-lg-4 {
+    padding-right: 1.5rem !important;
+  }
+
+  .pb-lg-4,
+  .py-lg-4 {
+    padding-bottom: 1.5rem !important;
+  }
+
+  .pl-lg-4,
+  .px-lg-4 {
+    padding-left: 1.5rem !important;
+  }
+
+  .p-lg-5 {
+    padding: 3rem !important;
+  }
+
+  .pt-lg-5,
+  .py-lg-5 {
+    padding-top: 3rem !important;
+  }
+
+  .pr-lg-5,
+  .px-lg-5 {
+    padding-right: 3rem !important;
+  }
+
+  .pb-lg-5,
+  .py-lg-5 {
+    padding-bottom: 3rem !important;
+  }
+
+  .pl-lg-5,
+  .px-lg-5 {
+    padding-left: 3rem !important;
+  }
+
+  .m-lg-auto {
+    margin: auto !important;
+  }
+
+  .mt-lg-auto,
+  .my-lg-auto {
+    margin-top: auto !important;
+  }
+
+  .mr-lg-auto,
+  .mx-lg-auto {
+    margin-right: auto !important;
+  }
+
+  .mb-lg-auto,
+  .my-lg-auto {
+    margin-bottom: auto !important;
+  }
+
+  .ml-lg-auto,
+  .mx-lg-auto {
+    margin-left: auto !important;
+  }
+}
+@media (min-width: 1200px) {
+  .m-xl-0 {
+    margin: 0 !important;
+  }
+
+  .mt-xl-0,
+  .my-xl-0 {
+    margin-top: 0 !important;
+  }
+
+  .mr-xl-0,
+  .mx-xl-0 {
+    margin-right: 0 !important;
+  }
+
+  .mb-xl-0,
+  .my-xl-0 {
+    margin-bottom: 0 !important;
+  }
+
+  .ml-xl-0,
+  .mx-xl-0 {
+    margin-left: 0 !important;
+  }
+
+  .m-xl-1 {
+    margin: 0.25rem !important;
+  }
+
+  .mt-xl-1,
+  .my-xl-1 {
+    margin-top: 0.25rem !important;
+  }
+
+  .mr-xl-1,
+  .mx-xl-1 {
+    margin-right: 0.25rem !important;
+  }
+
+  .mb-xl-1,
+  .my-xl-1 {
+    margin-bottom: 0.25rem !important;
+  }
+
+  .ml-xl-1,
+  .mx-xl-1 {
+    margin-left: 0.25rem !important;
+  }
+
+  .m-xl-2 {
+    margin: 0.5rem !important;
+  }
+
+  .mt-xl-2,
+  .my-xl-2 {
+    margin-top: 0.5rem !important;
+  }
+
+  .mr-xl-2,
+  .mx-xl-2 {
+    margin-right: 0.5rem !important;
+  }
+
+  .mb-xl-2,
+  .my-xl-2 {
+    margin-bottom: 0.5rem !important;
+  }
+
+  .ml-xl-2,
+  .mx-xl-2 {
+    margin-left: 0.5rem !important;
+  }
+
+  .m-xl-3 {
+    margin: 1rem !important;
+  }
+
+  .mt-xl-3,
+  .my-xl-3 {
+    margin-top: 1rem !important;
+  }
+
+  .mr-xl-3,
+  .mx-xl-3 {
+    margin-right: 1rem !important;
+  }
+
+  .mb-xl-3,
+  .my-xl-3 {
+    margin-bottom: 1rem !important;
+  }
+
+  .ml-xl-3,
+  .mx-xl-3 {
+    margin-left: 1rem !important;
+  }
+
+  .m-xl-4 {
+    margin: 1.5rem !important;
+  }
+
+  .mt-xl-4,
+  .my-xl-4 {
+    margin-top: 1.5rem !important;
+  }
+
+  .mr-xl-4,
+  .mx-xl-4 {
+    margin-right: 1.5rem !important;
+  }
+
+  .mb-xl-4,
+  .my-xl-4 {
+    margin-bottom: 1.5rem !important;
+  }
+
+  .ml-xl-4,
+  .mx-xl-4 {
+    margin-left: 1.5rem !important;
+  }
+
+  .m-xl-5 {
+    margin: 3rem !important;
+  }
+
+  .mt-xl-5,
+  .my-xl-5 {
+    margin-top: 3rem !important;
+  }
+
+  .mr-xl-5,
+  .mx-xl-5 {
+    margin-right: 3rem !important;
+  }
+
+  .mb-xl-5,
+  .my-xl-5 {
+    margin-bottom: 3rem !important;
+  }
+
+  .ml-xl-5,
+  .mx-xl-5 {
+    margin-left: 3rem !important;
+  }
+
+  .p-xl-0 {
+    padding: 0 !important;
+  }
+
+  .pt-xl-0,
+  .py-xl-0 {
+    padding-top: 0 !important;
+  }
+
+  .pr-xl-0,
+  .px-xl-0 {
+    padding-right: 0 !important;
+  }
+
+  .pb-xl-0,
+  .py-xl-0 {
+    padding-bottom: 0 !important;
+  }
+
+  .pl-xl-0,
+  .px-xl-0 {
+    padding-left: 0 !important;
+  }
+
+  .p-xl-1 {
+    padding: 0.25rem !important;
+  }
+
+  .pt-xl-1,
+  .py-xl-1 {
+    padding-top: 0.25rem !important;
+  }
+
+  .pr-xl-1,
+  .px-xl-1 {
+    padding-right: 0.25rem !important;
+  }
+
+  .pb-xl-1,
+  .py-xl-1 {
+    padding-bottom: 0.25rem !important;
+  }
+
+  .pl-xl-1,
+  .px-xl-1 {
+    padding-left: 0.25rem !important;
+  }
+
+  .p-xl-2 {
+    padding: 0.5rem !important;
+  }
+
+  .pt-xl-2,
+  .py-xl-2 {
+    padding-top: 0.5rem !important;
+  }
+
+  .pr-xl-2,
+  .px-xl-2 {
+    padding-right: 0.5rem !important;
+  }
+
+  .pb-xl-2,
+  .py-xl-2 {
+    padding-bottom: 0.5rem !important;
+  }
+
+  .pl-xl-2,
+  .px-xl-2 {
+    padding-left: 0.5rem !important;
+  }
+
+  .p-xl-3 {
+    padding: 1rem !important;
+  }
+
+  .pt-xl-3,
+  .py-xl-3 {
+    padding-top: 1rem !important;
+  }
+
+  .pr-xl-3,
+  .px-xl-3 {
+    padding-right: 1rem !important;
+  }
+
+  .pb-xl-3,
+  .py-xl-3 {
+    padding-bottom: 1rem !important;
+  }
+
+  .pl-xl-3,
+  .px-xl-3 {
+    padding-left: 1rem !important;
+  }
+
+  .p-xl-4 {
+    padding: 1.5rem !important;
+  }
+
+  .pt-xl-4,
+  .py-xl-4 {
+    padding-top: 1.5rem !important;
+  }
+
+  .pr-xl-4,
+  .px-xl-4 {
+    padding-right: 1.5rem !important;
+  }
+
+  .pb-xl-4,
+  .py-xl-4 {
+    padding-bottom: 1.5rem !important;
+  }
+
+  .pl-xl-4,
+  .px-xl-4 {
+    padding-left: 1.5rem !important;
+  }
+
+  .p-xl-5 {
+    padding: 3rem !important;
+  }
+
+  .pt-xl-5,
+  .py-xl-5 {
+    padding-top: 3rem !important;
+  }
+
+  .pr-xl-5,
+  .px-xl-5 {
+    padding-right: 3rem !important;
+  }
+
+  .pb-xl-5,
+  .py-xl-5 {
+    padding-bottom: 3rem !important;
+  }
+
+  .pl-xl-5,
+  .px-xl-5 {
+    padding-left: 3rem !important;
+  }
+
+  .m-xl-auto {
+    margin: auto !important;
+  }
+
+  .mt-xl-auto,
+  .my-xl-auto {
+    margin-top: auto !important;
+  }
+
+  .mr-xl-auto,
+  .mx-xl-auto {
+    margin-right: auto !important;
+  }
+
+  .mb-xl-auto,
+  .my-xl-auto {
+    margin-bottom: auto !important;
+  }
+
+  .ml-xl-auto,
+  .mx-xl-auto {
+    margin-left: auto !important;
+  }
+}
+.text-justify {
+  text-align: justify !important;
+}
+
+.text-nowrap {
+  white-space: nowrap !important;
+}
+
+.text-truncate {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.text-left {
+  text-align: left !important;
+}
+
+.text-right {
+  text-align: right !important;
+}
+
+.text-center {
+  text-align: center !important;
+}
+
+@media (min-width: 576px) {
+  .text-sm-left {
+    text-align: left !important;
+  }
+
+  .text-sm-right {
+    text-align: right !important;
+  }
+
+  .text-sm-center {
+    text-align: center !important;
+  }
+}
+@media (min-width: 768px) {
+  .text-md-left {
+    text-align: left !important;
+  }
+
+  .text-md-right {
+    text-align: right !important;
+  }
+
+  .text-md-center {
+    text-align: center !important;
+  }
+}
+@media (min-width: 992px) {
+  .text-lg-left {
+    text-align: left !important;
+  }
+
+  .text-lg-right {
+    text-align: right !important;
+  }
+
+  .text-lg-center {
+    text-align: center !important;
+  }
+}
+@media (min-width: 1200px) {
+  .text-xl-left {
+    text-align: left !important;
+  }
+
+  .text-xl-right {
+    text-align: right !important;
+  }
+
+  .text-xl-center {
+    text-align: center !important;
+  }
+}
+.text-lowercase {
+  text-transform: lowercase !important;
+}
+
+.text-uppercase {
+  text-transform: uppercase !important;
+}
+
+.text-capitalize {
+  text-transform: capitalize !important;
+}
+
+.font-weight-light {
+  font-weight: 300 !important;
+}
+
+.font-weight-normal {
+  font-weight: 400 !important;
+}
+
+.font-weight-bold {
+  font-weight: 700 !important;
+}
+
+.font-italic {
+  font-style: italic !important;
+}
+
+.text-white {
+  color: #fff !important;
+}
+
+.text-primary {
+  color: #007bff !important;
+}
+
+a.text-primary:hover, a.text-primary:focus {
+  color: #0062cc !important;
+}
+
+.text-secondary {
+  color: #6c757d !important;
+}
+
+a.text-secondary:hover, a.text-secondary:focus {
+  color: #545b62 !important;
+}
+
+.text-success {
+  color: #28a745 !important;
+}
+
+a.text-success:hover, a.text-success:focus {
+  color: #1e7e34 !important;
+}
+
+.text-info {
+  color: #17a2b8 !important;
+}
+
+a.text-info:hover, a.text-info:focus {
+  color: #117a8b !important;
+}
+
+.text-warning {
+  color: #ffc107 !important;
+}
+
+a.text-warning:hover, a.text-warning:focus {
+  color: #d39e00 !important;
+}
+
+.text-danger {
+  color: #dc3545 !important;
+}
+
+a.text-danger:hover, a.text-danger:focus {
+  color: #bd2130 !important;
+}
+
+.text-light {
+  color: #f8f9fa !important;
+}
+
+a.text-light:hover, a.text-light:focus {
+  color: #dae0e5 !important;
+}
+
+.text-dark {
+  color: #343a40 !important;
+}
+
+a.text-dark:hover, a.text-dark:focus {
+  color: #1d2124 !important;
+}
+
+.text-muted {
+  color: #6c757d !important;
+}
+
+.text-hide {
+  font: 0/0 a;
+  color: transparent;
+  text-shadow: none;
+  background-color: transparent;
+  border: 0;
+}
+
+.visible {
+  visibility: visible !important;
+}
+
+.invisible {
+  visibility: hidden !important;
+}
+
+@media print {
+  *,
+  *::before,
+  *::after {
+    text-shadow: none !important;
+    -webkit-box-shadow: none !important;
+            box-shadow: none !important;
+  }
+
+  a:not(.btn) {
+    text-decoration: underline;
+  }
+
+  abbr[title]::after {
+    content: " (" attr(title) ")";
+  }
+
+  pre {
+    white-space: pre-wrap !important;
+  }
+
+  pre,
+  blockquote {
+    border: 1px solid #999;
+    page-break-inside: avoid;
+  }
+
+  thead {
+    display: table-header-group;
+  }
+
+  tr,
+  img {
+    page-break-inside: avoid;
+  }
+
+  p,
+  h2,
+  h3 {
+    orphans: 3;
+    widows: 3;
+  }
+
+  h2,
+  h3 {
+    page-break-after: avoid;
+  }
+
+  @page {
+    size: a3;
+  }
+  body {
+    min-width: 992px !important;
+  }
+
+  .container {
+    min-width: 992px !important;
+  }
+
+  .navbar {
+    display: none;
+  }
+
+  .badge {
+    border: 1px solid #000;
+  }
+
+  .table {
+    border-collapse: collapse !important;
+  }
+  .table td,
+  .table th {
+    background-color: #fff !important;
+  }
+
+  .table-bordered th,
+  .table-bordered td {
+    border: 1px solid #ddd !important;
+  }
+}
+/*Github syntax highlighting theme via Rouge*/
+.highlight table td {
+  padding: 5px;
+}
+
+.highlight table pre {
+  margin: 0;
+}
+
+.highlight .cm {
+  color: #999988;
+  font-style: italic;
+}
+
+.highlight .cp {
+  color: #999999;
+  font-weight: bold;
+}
+
+.highlight .c1 {
+  color: #999988;
+  font-style: italic;
+}
+
+.highlight .cs {
+  color: #999999;
+  font-weight: bold;
+  font-style: italic;
+}
+
+.highlight .c, .highlight .cd {
+  color: #999988;
+  font-style: italic;
+}
+
+.highlight .err {
+  color: #a61717;
+  background-color: #e3d2d2;
+}
+
+.highlight .gd {
+  color: #000000;
+  background-color: #ffdddd;
+}
+
+.highlight .ge {
+  color: #000000;
+  font-style: italic;
+}
+
+.highlight .gr {
+  color: #aa0000;
+}
+
+.highlight .gh {
+  color: #999999;
+}
+
+.highlight .gi {
+  color: #000000;
+  background-color: #ddffdd;
+}
+
+.highlight .go {
+  color: #888888;
+}
+
+.highlight .gp {
+  color: #555555;
+}
+
+.highlight .gs {
+  font-weight: bold;
+}
+
+.highlight .gu {
+  color: #aaaaaa;
+}
+
+.highlight .gt {
+  color: #aa0000;
+}
+
+.highlight .kc {
+  color: #000000;
+  font-weight: bold;
+}
+
+.highlight .kd {
+  color: #000000;
+  font-weight: bold;
+}
+
+.highlight .kn {
+  color: #000000;
+  font-weight: bold;
+}
+
+.highlight .kp {
+  color: #000000;
+  font-weight: bold;
+}
+
+.highlight .kr {
+  color: #000000;
+  font-weight: bold;
+}
+
+.highlight .kt {
+  color: #445588;
+  font-weight: bold;
+}
+
+.highlight .k, .highlight .kv {
+  color: #000000;
+  font-weight: bold;
+}
+
+.highlight .mf {
+  color: #009999;
+}
+
+.highlight .mh {
+  color: #009999;
+}
+
+.highlight .il {
+  color: #009999;
+}
+
+.highlight .mi {
+  color: #009999;
+}
+
+.highlight .mo {
+  color: #009999;
+}
+
+.highlight .m, .highlight .mb, .highlight .mx {
+  color: #009999;
+}
+
+.highlight .sb {
+  color: #d14;
+}
+
+.highlight .sc {
+  color: #d14;
+}
+
+.highlight .sd {
+  color: #d14;
+}
+
+.highlight .s2 {
+  color: #d14;
+}
+
+.highlight .se {
+  color: #d14;
+}
+
+.highlight .sh {
+  color: #d14;
+}
+
+.highlight .si {
+  color: #d14;
+}
+
+.highlight .sx {
+  color: #d14;
+}
+
+.highlight .sr {
+  color: #009926;
+}
+
+.highlight .s1 {
+  color: #d14;
+}
+
+.highlight .ss {
+  color: #990073;
+}
+
+.highlight .s {
+  color: #d14;
+}
+
+.highlight .na {
+  color: #008080;
+}
+
+.highlight .bp {
+  color: #999999;
+}
+
+.highlight .nb {
+  color: #0086B3;
+}
+
+.highlight .nc {
+  color: #445588;
+  font-weight: bold;
+}
+
+.highlight .no {
+  color: #008080;
+}
+
+.highlight .nd {
+  color: #3c5d5d;
+  font-weight: bold;
+}
+
+.highlight .ni {
+  color: #800080;
+}
+
+.highlight .ne {
+  color: #990000;
+  font-weight: bold;
+}
+
+.highlight .nf {
+  color: #990000;
+  font-weight: bold;
+}
+
+.highlight .nl {
+  color: #990000;
+  font-weight: bold;
+}
+
+.highlight .nn {
+  color: #555555;
+}
+
+.highlight .nt {
+  color: #000080;
+}
+
+.highlight .vc {
+  color: #008080;
+}
+
+.highlight .vg {
+  color: #008080;
+}
+
+.highlight .vi {
+  color: #008080;
+}
+
+.highlight .nv {
+  color: #008080;
+}
+
+.highlight .ow {
+  color: #000000;
+  font-weight: bold;
+}
+
+.highlight .o {
+  color: #000000;
+  font-weight: bold;
+}
+
+.highlight .w {
+  color: #bbbbbb;
+}
+
+.highlight {
+  background-color: #f8f8f8;
+}
+
+@font-face {
+  font-family: FreightSans;
+  font-weight: 700;
+  font-style: normal;
+  src: url("../fonts/FreightSans/freight-sans-bold.woff2") format("woff2"), url("../fonts/FreightSans/freight-sans-bold.woff") format("woff");
+}
+@font-face {
+  font-family: FreightSans;
+  font-weight: 700;
+  font-style: italic;
+  src: url("../fonts/FreightSans/freight-sans-bold-italic.woff2") format("woff2"), url("../fonts/FreightSans/freight-sans-bold-italic.woff") format("woff");
+}
+@font-face {
+  font-family: FreightSans;
+  font-weight: 500;
+  font-style: normal;
+  src: url("../fonts/FreightSans/freight-sans-medium.woff2") format("woff2"), url("../fonts/FreightSans/freight-sans-medium.woff") format("woff");
+}
+@font-face {
+  font-family: FreightSans;
+  font-weight: 500;
+  font-style: italic;
+  src: url("../fonts/FreightSans/freight-sans-medium-italic.woff2") format("woff2"), url("../fonts/FreightSans/freight-sans-medium-italic.woff") format("woff");
+}
+@font-face {
+  font-family: FreightSans;
+  font-weight: 100;
+  font-style: normal;
+  src: url("../fonts/FreightSans/freight-sans-light.woff2") format("woff2"), url("../fonts/FreightSans/freight-sans-light.woff") format("woff");
+}
+@font-face {
+  font-family: FreightSans;
+  font-weight: 100;
+  font-style: italic;
+  src: url("../fonts/FreightSans/freight-sans-light-italic.woff2") format("woff2"), url("../fonts/FreightSans/freight-sans-light-italic.woff") format("woff");
+}
+@font-face {
+  font-family: FreightSans;
+  font-weight: 400;
+  font-style: italic;
+  src: url("../fonts/FreightSans/freight-sans-book-italic.woff2") format("woff2"), url("../fonts/FreightSans/freight-sans-book-italic.woff") format("woff");
+}
+@font-face {
+  font-family: FreightSans;
+  font-weight: 400;
+  font-style: normal;
+  src: url("../fonts/FreightSans/freight-sans-book.woff2") format("woff2"), url("../fonts/FreightSans/freight-sans-book.woff") format("woff");
+}
+@font-face {
+  font-family: IBMPlexMono;
+  font-weight: 600;
+  font-style: normal;
+  unicode-range: u+0020-007f;
+  src: local("IBMPlexMono-SemiBold"), url("../fonts/IBMPlexMono/IBMPlexMono-SemiBold.woff2") format("woff2"), url("../fonts/IBMPlexMono/IBMPlexMono-SemiBold.woff") format("woff");
+}
+@font-face {
+  font-family: IBMPlexMono;
+  font-weight: 500;
+  font-style: normal;
+  unicode-range: u+0020-007f;
+  src: local("IBMPlexMono-Medium"), url("../fonts/IBMPlexMono/IBMPlexMono-Medium.woff2") format("woff2"), url("../fonts/IBMPlexMono/IBMPlexMono-Medium.woff") format("woff");
+}
+@font-face {
+  font-family: IBMPlexMono;
+  font-weight: 400;
+  font-style: normal;
+  unicode-range: u+0020-007f;
+  src: local("IBMPlexMono-Regular"), url("../fonts/IBMPlexMono/IBMPlexMono-Regular.woff2") format("woff2"), url("../fonts/IBMPlexMono/IBMPlexMono-Regular.woff") format("woff");
+}
+@font-face {
+  font-family: IBMPlexMono;
+  font-weight: 300;
+  font-style: normal;
+  unicode-range: u+0020-007f;
+  src: local("IBMPlexMono-Light"), url("../fonts/IBMPlexMono/IBMPlexMono-Light.woff2") format("woff2"), url("../fonts/IBMPlexMono/IBMPlexMono-Light.woff") format("woff");
+}
+html {
+  position: relative;
+  min-height: 100%;
+  font-size: 12px;
+}
+@media screen and (min-width: 768px) {
+  html {
+    font-size: 16px;
+  }
+}
+
+* {
+  -webkit-box-sizing: border-box;
+          box-sizing: border-box;
+}
+
+body {
+  font-family: FreightSans, Helvetica Neue, Helvetica, Arial, sans-serif;
+}
+
+a:link,
+a:visited,
+a:hover {
+  text-decoration: none;
+  color: #e44c2c;
+}
+
+a.with-right-arrow, .btn.with-right-arrow {
+  padding-right: 1.375rem;
+  position: relative;
+  background-image: url("../images/chevron-right-orange.svg");
+  background-size: 6px 13px;
+  background-position: center right 5px;
+  background-repeat: no-repeat;
+}
+@media screen and (min-width: 768px) {
+  a.with-right-arrow, .btn.with-right-arrow {
+    background-size: 8px 14px;
+    background-position: center right 12px;
+    padding-right: 2rem;
+  }
+}
+
+::-webkit-input-placeholder {
+  color: #e44c2c;
+}
+
+::-moz-placeholder {
+  color: #e44c2c;
+}
+
+:-ms-input-placeholder {
+  color: #e44c2c;
+}
+
+:-moz-placeholder {
+  color: #e44c2c;
+}
+
+.email-subscribe-form input.email {
+  color: #e44c2c;
+  border: none;
+  border-bottom: 1px solid #939393;
+  width: 100%;
+  background-color: transparent;
+  outline: none;
+  font-size: 1.125rem;
+  letter-spacing: 0.25px;
+  line-height: 2.25rem;
+}
+.email-subscribe-form input[type="submit"] {
+  position: absolute;
+  right: 0;
+  top: 10px;
+  height: 15px;
+  width: 15px;
+  background-image: url("../images/arrow-right-with-tail.svg");
+  background-color: transparent;
+  background-repeat: no-repeat;
+  background-size: 15px 15px;
+  background-position: center center;
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+  border: 0;
+}
+
+.email-subscribe-form-fields-wrapper {
+  position: relative;
+}
+
+.anchorjs-link {
+  color: #6c6c6d !important;
+}
+@media screen and (min-width: 768px) {
+  .anchorjs-link:hover {
+    color: inherit;
+    text-decoration: none !important;
+  }
+}
+
+.pytorch-article #table-of-contents {
+  display: none;
+}
+
+code, kbd, pre, samp {
+  font-family: IBMPlexMono,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
+}
+code span, kbd span, pre span, samp span {
+  font-family: IBMPlexMono,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
+}
+
+pre {
+  padding: 1.125rem;
+  background-color: #f3f4f7;
+}
+pre code {
+  font-size: 0.875rem;
+}
+pre.highlight {
+  background-color: #f3f4f7;
+  line-height: 1.3125rem;
+}
+
+code.highlighter-rouge {
+  color: #6c6c6d;
+  background-color: #f3f4f7;
+  padding: 2px 6px;
+}
+
+a:link code.highlighter-rouge,
+a:visited code.highlighter-rouge,
+a:hover code.highlighter-rouge {
+  color: #4974D1;
+}
+a:link.has-code,
+a:visited.has-code,
+a:hover.has-code {
+  color: #4974D1;
+}
+
+p code,
+h1 code,
+h2 code,
+h3 code,
+h4 code,
+h5 code,
+h6 code {
+  font-size: 78.5%;
+}
+
+pre {
+  white-space: pre-wrap;
+  white-space: -moz-pre-wrap;
+  white-space: -pre-wrap;
+  white-space: -o-pre-wrap;
+  word-wrap: break-word;
+}
+
+.header-holder {
+  height: 68px;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  left: 0;
+  margin-left: auto;
+  margin-right: auto;
+  position: fixed;
+  right: 0;
+  top: 0;
+  width: 100%;
+  z-index: 9999;
+  background-color: #ffffff;
+  border-bottom: 1px solid #e2e2e2;
+}
+@media screen and (min-width: 1100px) {
+  .header-holder {
+    height: 90px;
+  }
+}
+
+.header-container {
+  position: relative;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+}
+.header-container:before, .header-container:after {
+  content: "";
+  display: table;
+}
+.header-container:after {
+  clear: both;
+}
+.header-container {
+  *zoom: 1;
+}
+@media screen and (min-width: 1100px) {
+  .header-container {
+    display: block;
+  }
+}
+
+.header-logo {
+  height: 23px;
+  width: 93px;
+  background-image: url("../images/logo.svg");
+  background-repeat: no-repeat;
+  background-size: 93px 23px;
+  display: block;
+  float: left;
+  z-index: 10;
+}
+@media screen and (min-width: 1100px) {
+  .header-logo {
+    background-size: 108px 27px;
+    position: absolute;
+    height: 27px;
+    width: 108px;
+    top: 4px;
+    float: none;
+  }
+}
+
+.main-menu-open-button {
+  background-image: url("../images/icon-menu-dots.svg");
+  background-position: center center;
+  background-size: 25px 7px;
+  background-repeat: no-repeat;
+  width: 25px;
+  height: 17px;
+  position: absolute;
+  right: 0;
+  top: 4px;
+}
+@media screen and (min-width: 1100px) {
+  .main-menu-open-button {
+    display: none;
+  }
+}
+
+.header-holder .main-menu {
+  display: none;
+}
+@media screen and (min-width: 1100px) {
+  .header-holder .main-menu {
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-align: center;
+        -ms-flex-align: center;
+            align-items: center;
+    -webkit-box-pack: end;
+        -ms-flex-pack: end;
+            justify-content: flex-end;
+  }
+}
+.header-holder .main-menu ul {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  margin: 0;
+}
+.header-holder .main-menu ul li {
+  display: inline-block;
+  margin-right: 40px;
+  position: relative;
+}
+.header-holder .main-menu ul li.active:after {
+  content: "•";
+  bottom: -24px;
+  color: #e44c2c;
+  font-size: 1.375rem;
+  left: 0;
+  position: absolute;
+  right: 0;
+  text-align: center;
+}
+.header-holder .main-menu ul li.active a {
+  color: #e44c2c;
+}
+.header-holder .main-menu ul li:last-of-type {
+  margin-right: 0;
+}
+.header-holder .main-menu ul li a {
+  color: #ffffff;
+  font-size: 1.125rem;
+  letter-spacing: 0;
+  line-height: 2.125rem;
+  text-align: center;
+  text-decoration: none;
+}
+@media screen and (min-width: 1100px) {
+  .header-holder .main-menu ul li a:hover {
+    color: #e44c2c;
+  }
+}
+
+.mobile-main-menu {
+  display: none;
+}
+.mobile-main-menu.open {
+  background-color: #262626;
+  display: block;
+  height: 100%;
+  left: 0;
+  margin-left: auto;
+  margin-right: auto;
+  min-height: 100%;
+  position: fixed;
+  right: 0;
+  top: 0;
+  width: 100%;
+  z-index: 99999;
+}
+
+.mobile-main-menu .container-fluid {
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  height: 68px;
+  position: relative;
+}
+.mobile-main-menu .container-fluid:before, .mobile-main-menu .container-fluid:after {
+  content: "";
+  display: table;
+}
+.mobile-main-menu .container-fluid:after {
+  clear: both;
+}
+.mobile-main-menu .container-fluid {
+  *zoom: 1;
+}
+
+.mobile-main-menu.open ul {
+  list-style-type: none;
+  padding: 0;
+}
+.mobile-main-menu.open ul li a {
+  font-size: 2rem;
+  color: #ffffff;
+  letter-spacing: 0;
+  line-height: 4rem;
+  text-decoration: none;
+}
+.mobile-main-menu.open ul li.active a {
+  color: #e44c2c;
+}
+
+.main-menu-close-button {
+  background-image: url("../images/icon-close.svg");
+  background-position: center center;
+  background-repeat: no-repeat;
+  background-size: 24px 24px;
+  height: 24px;
+  position: absolute;
+  right: 0;
+  width: 24px;
+  top: -4px;
+}
+
+.mobile-main-menu-header-container {
+  position: relative;
+}
+
+.mobile-main-menu-links-container {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  padding-left: 2.8125rem;
+  height: 100%;
+  min-height: 100%;
+  margin-top: -68px;
+}
+
+.site-footer {
+  padding: 2.5rem 0;
+  width: 100%;
+  background-image: url("../images/home-footer-background.jpg");
+  background-size: 100%;
+  margin-left: 0;
+  margin-right: 0;
+  position: relative;
+  z-index: 201;
+}
+@media screen and (min-width: 768px) {
+  .site-footer {
+    padding: 5rem 0;
+  }
+}
+.site-footer p {
+  color: #ffffff;
+}
+.site-footer ul {
+  list-style-type: none;
+  padding-left: 0;
+  margin-bottom: 0;
+}
+.site-footer ul li {
+  font-size: 1.125rem;
+  line-height: 2rem;
+  color: #6c6c6d;
+  padding-bottom: 0.375rem;
+}
+.site-footer ul li.list-title {
+  padding-bottom: 0.75rem;
+  color: #ffffff;
+}
+.site-footer a:link,
+.site-footer a:visited {
+  color: inherit;
+}
+@media screen and (min-width: 768px) {
+  .site-footer a:hover {
+    color: #e44c2c;
+  }
+}
+
+.docs-tutorials-resources {
+  background-color: #262626;
+  color: #ffffff;
+  padding-top: 2.5rem;
+  padding-bottom: 2.5rem;
+  position: relative;
+  z-index: 201;
+}
+@media screen and (min-width: 768px) {
+  .docs-tutorials-resources {
+    padding-top: 5rem;
+    padding-bottom: 5rem;
+  }
+}
+.docs-tutorials-resources p {
+  color: #929292;
+  font-size: 1.125rem;
+}
+.docs-tutorials-resources h2 {
+  font-size: 1.5rem;
+  letter-spacing: -0.25px;
+  text-transform: none;
+  margin-bottom: 0.25rem;
+}
+@media screen and (min-width: 768px) {
+  .docs-tutorials-resources h2 {
+    margin-bottom: 1.25rem;
+  }
+}
+.docs-tutorials-resources .col-md-4 {
+  margin-bottom: 2rem;
+  text-align: center;
+}
+@media screen and (min-width: 768px) {
+  .docs-tutorials-resources .col-md-4 {
+    margin-bottom: 0;
+  }
+}
+.docs-tutorials-resources .with-right-arrow {
+  margin-left: 12px;
+}
+.docs-tutorials-resources .with-right-arrow:hover {
+  background-image: url("../images/chevron-right-white.svg");
+}
+.docs-tutorials-resources p {
+  font-size: 1rem;
+  line-height: 1.5rem;
+  letter-spacing: 0.22px;
+  color: #939393;
+  margin-bottom: 0;
+}
+@media screen and (min-width: 768px) {
+  .docs-tutorials-resources p {
+    margin-bottom: 1.25rem;
+  }
+}
+.docs-tutorials-resources a {
+  font-size: 1.125rem;
+  color: #e44c2c;
+}
+.docs-tutorials-resources a:hover {
+  color: #ffffff;
+}
+
+.footer-container {
+  position: relative;
+}
+
+@media screen and (min-width: 768px) {
+  .footer-logo-wrapper {
+    position: absolute;
+    top: 0;
+    left: 30px;
+  }
+}
+
+.footer-logo {
+  background-image: url("../images/logo-icon.svg");
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: 20px 24px;
+  display: block;
+  height: 24px;
+  margin-bottom: 2.8125rem;
+  width: 20px;
+}
+@media screen and (min-width: 768px) {
+  .footer-logo {
+    background-size: 29px 36px;
+    height: 36px;
+    margin-bottom: 0;
+    margin-bottom: 0;
+    width: 29px;
+  }
+}
+
+.footer-links-wrapper {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+}
+@media screen and (min-width: 768px) {
+  .footer-links-wrapper {
+    -ms-flex-wrap: initial;
+        flex-wrap: initial;
+    -webkit-box-pack: end;
+        -ms-flex-pack: end;
+            justify-content: flex-end;
+  }
+}
+
+.footer-links-col {
+  margin-bottom: 3.75rem;
+  width: 50%;
+}
+@media screen and (min-width: 768px) {
+  .footer-links-col {
+    margin-bottom: 0;
+    width: 14%;
+    margin-right: 23px;
+  }
+  .footer-links-col.follow-us-col {
+    width: 18%;
+    margin-right: 0;
+  }
+}
+@media (min-width: 768px) and (max-width: 1239px) {
+  .footer-links-col {
+    width: 18%;
+    margin-right: 30px;
+  }
+}
+
+.footer-social-icons {
+  margin: 8.5625rem 0 2.5rem 0;
+}
+.footer-social-icons a {
+  height: 32px;
+  width: 32px;
+  display: inline-block;
+  background-color: #CCCDD1;
+  border-radius: 50%;
+  margin-right: 5px;
+}
+.footer-social-icons a.facebook {
+  background-image: url("../images/logo-facebook-dark.svg");
+  background-position: center center;
+  background-size: 9px 18px;
+  background-repeat: no-repeat;
+}
+.footer-social-icons a.twitter {
+  background-image: url("../images/logo-twitter-dark.svg");
+  background-position: center center;
+  background-size: 17px 17px;
+  background-repeat: no-repeat;
+}
+
+.site-footer .mc-field-group {
+  margin-top: -2px;
+}
+
+article.pytorch-article {
+  max-width: 920px;
+  margin: 0 auto;
+}
+article.pytorch-article h2,
+article.pytorch-article h3,
+article.pytorch-article h4,
+article.pytorch-article h5,
+article.pytorch-article h6 {
+  margin: 1.375rem 0;
+  color: #262626;
+}
+article.pytorch-article h2 {
+  font-size: 1.625rem;
+  letter-spacing: 1.33px;
+  line-height: 2rem;
+  text-transform: none;
+}
+article.pytorch-article h3 {
+  font-size: 1.5rem;
+  letter-spacing: -0.25px;
+  line-height: 1.875rem;
+  text-transform: none;
+}
+article.pytorch-article h4,
+article.pytorch-article h5,
+article.pytorch-article h6 {
+  font-size: 1.125rem;
+  letter-spacing: -0.19px;
+  line-height: 1.875rem;
+}
+article.pytorch-article p {
+  margin-bottom: 1.125rem;
+}
+article.pytorch-article p,
+article.pytorch-article ul li,
+article.pytorch-article ol li,
+article.pytorch-article dl dt,
+article.pytorch-article dl dd,
+article.pytorch-article blockquote {
+  font-size: 1rem;
+  line-height: 1.375rem;
+  color: #262626;
+  letter-spacing: 0.01px;
+  font-weight: 500;
+}
+article.pytorch-article table {
+  margin-bottom: 2.5rem;
+  width: 100%;
+}
+article.pytorch-article table thead {
+  border-bottom: 1px solid #cacaca;
+}
+article.pytorch-article table th {
+  padding: 0.625rem;
+  color: #262626;
+}
+article.pytorch-article table td {
+  padding: 0.3125rem;
+}
+article.pytorch-article table tr th:first-of-type,
+article.pytorch-article table tr td:first-of-type {
+  padding-left: 0;
+}
+article.pytorch-article table.docutils.field-list th.field-name {
+  padding: 0.3125rem;
+  padding-left: 0;
+}
+article.pytorch-article table.docutils.field-list td.field-body {
+  padding: 0.3125rem;
+}
+article.pytorch-article table.docutils.field-list td.field-body p:last-of-type {
+  margin-bottom: 0;
+}
+article.pytorch-article ul,
+article.pytorch-article ol {
+  margin: 1.5rem 0 3.125rem 0;
+}
+@media screen and (min-width: 768px) {
+  article.pytorch-article ul,
+  article.pytorch-article ol {
+    padding-left: 6.25rem;
+  }
+}
+article.pytorch-article ul li,
+article.pytorch-article ol li {
+  margin-bottom: 0.625rem;
+}
+article.pytorch-article dl {
+  margin-bottom: 1.5rem;
+}
+article.pytorch-article dl dt {
+  margin-bottom: 0.75rem;
+}
+article.pytorch-article pre {
+  margin-bottom: 2.5rem;
+}
+article.pytorch-article hr {
+  margin-top: 4.6875rem;
+  margin-bottom: 4.6875rem;
+}
+article.pytorch-article blockquote {
+  margin: 0 auto;
+  margin-bottom: 2.5rem;
+  width: 65%;
+}
+article.pytorch-article img {
+  width: 100%;
+}
+
+html {
+  height: 100%;
+}
+@media screen and (min-width: 768px) {
+  html {
+    font-size: 16px;
+  }
+}
+
+body {
+  background: #ffffff;
+  height: 100%;
+  margin: 0;
+}
+body.no-scroll {
+  height: 100%;
+  overflow: hidden;
+}
+
+p {
+  margin-top: 0;
+  margin-bottom: 1.125rem;
+}
+p a:link,
+p a:visited,
+p a:hover {
+  color: #e44c2c;
+  text-decoration: none;
+}
+@media screen and (min-width: 768px) {
+  p a:hover {
+    text-decoration: underline;
+  }
+}
+p a:link,
+p a:visited,
+p a:hover {
+  color: #ee4c2c;
+}
+
+.wy-breadcrumbs li a {
+  color: #ee4c2c;
+}
+
+ul.pytorch-breadcrumbs {
+  padding-left: 0;
+  list-style-type: none;
+}
+ul.pytorch-breadcrumbs li {
+  display: inline-block;
+  font-size: 0.875rem;
+}
+ul.pytorch-breadcrumbs a {
+  color: #ee4c2c;
+  text-decoration: none;
+}
+
+.table-of-contents-link-wrapper {
+  display: block;
+  margin-top: 0;
+  padding: 1.25rem 1.875rem;
+  background-color: #f3f4f7;
+  position: relative;
+  color: #262626;
+  font-size: 1.25rem;
+}
+.table-of-contents-link-wrapper.is-open .toggle-table-of-contents {
+  -webkit-transform: rotate(180deg);
+          transform: rotate(180deg);
+}
+@media screen and (min-width: 1100px) {
+  .table-of-contents-link-wrapper {
+    display: none;
+  }
+}
+
+.toggle-table-of-contents {
+  background-image: url("../images/chevron-down-grey.svg");
+  background-position: center center;
+  background-repeat: no-repeat;
+  background-size: 18px 18px;
+  height: 100%;
+  position: absolute;
+  right: 21px;
+  width: 30px;
+  top: 0;
+}
+
+.tutorials-header .header-logo {
+  background-image: url("../images/logo-dark.svg");
+}
+.tutorials-header .main-menu ul li a {
+  color: #262626;
+}
+.tutorials-header .main-menu-open-button {
+  background-image: url("../images/icon-menu-dots-dark.svg");
+}
+
+.rst-content footer .helpful-hr.hr-top {
+  margin-bottom: -0.0625rem;
+}
+.rst-content footer .helpful-hr.hr-bottom {
+  margin-top: -0.0625rem;
+}
+.rst-content footer .helpful-container {
+  display: -webkit-inline-box;
+  display: -ms-inline-flexbox;
+  display: inline-flex;
+  font-size: 1.125rem;
+}
+.rst-content footer .helpful-container .helpful-question, .rst-content footer .helpful-container .was-helpful-thank-you {
+  padding: 0.625rem 1.25rem 0.625rem 1.25rem;
+}
+.rst-content footer .helpful-container .was-helpful-thank-you {
+  display: none;
+}
+.rst-content footer .helpful-container .helpful-question.yes-link, .rst-content footer .helpful-container .helpful-question.no-link {
+  color: #e44c2c;
+  cursor: pointer;
+}
+.rst-content footer .helpful-container .helpful-question.yes-link:hover, .rst-content footer .helpful-container .helpful-question.no-link:hover {
+  background-color: #e44c2c;
+  color: #ffffff;
+}
+.rst-content footer div[role="contentinfo"] {
+  padding-top: 2.5rem;
+}
+.rst-content footer div[role="contentinfo"] p {
+  margin-bottom: 0;
+}
+
+h1 {
+  font-size: 2rem;
+  letter-spacing: 1.78px;
+  line-height: 2.5rem;
+  text-transform: uppercase;
+  margin: 1.375rem 0;
+}
+
+span.pre {
+  color: #6c6c6d;
+  background-color: #f3f4f7;
+  padding: 2px 6px;
+}
+
+pre {
+  background-color: #f3f4f7;
+  padding: 1.375rem;
+}
+
+.highlight .c1 {
+  color: #6c6c6d;
+}
+
+.headerlink {
+  display: none !important;
+}
+
+a:link.has-code,
+a:hover.has-code,
+a:visited.has-code {
+  color: #4974D1;
+}
+a:link.has-code span,
+a:hover.has-code span,
+a:visited.has-code span {
+  color: #4974D1;
+}
+
+article.pytorch-article ul,
+article.pytorch-article ol {
+  padding-left: 1.875rem;
+  margin: 0;
+}
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+  margin: 0;
+  line-height: 1.75rem;
+}
+article.pytorch-article ul p,
+article.pytorch-article ol p {
+  line-height: 1.75rem;
+  margin-bottom: 0;
+}
+article.pytorch-article ul ul,
+article.pytorch-article ul ol,
+article.pytorch-article ol ul,
+article.pytorch-article ol ol {
+  margin: 0;
+}
+article.pytorch-article h1,
+article.pytorch-article h2,
+article.pytorch-article h3,
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+article.pytorch-article h6 {
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+}
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+article.pytorch-article h5 a,
+article.pytorch-article h6 a {
+  color: #262626;
+}
+article.pytorch-article p.caption {
+  margin-top: 1.25rem;
+}
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+  margin-top: 0;
+}
+
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+  margin: 0;
+  border: 1px solid #d6d7d8;
+  border-radius: 0;
+  width: 45%;
+  text-align: center;
+  margin-bottom: 5%;
+}
+@media screen and (max-width: 1100px) {
+  article.pytorch-article .sphx-glr-thumbcontainer:nth-child(odd) {
+    margin-left: 0;
+    margin-right: 2.5%;
+  }
+  article.pytorch-article .sphx-glr-thumbcontainer:nth-child(even) {
+    margin-right: 0;
+    margin-left: 2.5%;
+  }
+  article.pytorch-article .sphx-glr-thumbcontainer .figure {
+    width: 40%;
+  }
+}
+@media screen and (min-width: 1101px) {
+  article.pytorch-article .sphx-glr-thumbcontainer {
+    margin-right: 3%;
+    margin-bottom: 3%;
+    width: 30%;
+  }
+}
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+  font-size: 1rem;
+  color: #262626;
+  letter-spacing: 0;
+  line-height: 1.5rem;
+  text-decoration: none;
+}
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+  -webkit-box-shadow: none;
+          box-shadow: none;
+  border-bottom-color: #ffffff;
+}
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+  bottom: 100%;
+}
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+}
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+  content: "";
+  display: block;
+  position: absolute;
+  top: 0;
+  bottom: 35%;
+  left: 0;
+  right: 0;
+  background: #8A94B3;
+  opacity: 0.10;
+}
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+  text-align: left;
+}
+@media screen and (min-width: 768px) {
+  article.pytorch-article .sphx-glr-thumbcontainer:after {
+    content: "";
+    display: block;
+    width: 0;
+    height: 1px;
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    background-color: #e44c2c;
+    -webkit-transition: width .250s ease-in-out;
+    transition: width .250s ease-in-out;
+  }
+  article.pytorch-article .sphx-glr-thumbcontainer:hover:after {
+    width: 100%;
+  }
+}
+@media screen and (min-width: 768px) {
+  article.pytorch-article .sphx-glr-thumbcontainer:after {
+    background-color: #ee4c2c;
+  }
+}
+
+article.pytorch-article .section :not(dt) > code {
+  color: #262626;
+  border-top: solid 2px #f3f4f7;
+  background-color: #f3f4f7;
+  border-bottom: solid 2px #f3f4f7;
+  padding: 0px 3px;
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+}
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+  padding: 0px;
+}
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+  position: relative;
+  background: #f3f4f7;
+  padding: 0.5rem;
+  border-left: 3px solid #ee4c2c;
+  word-wrap: break-word;
+  padding-right: 100px;
+}
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+  font-family: inherit;
+}
+article.pytorch-article .function dt em, article.pytorch-article .attribute dt em, article.pytorch-article .class .attribute dt em, article.pytorch-article .class dt em, article.pytorch-article .function dt .sig-paren, article.pytorch-article .attribute dt .sig-paren, article.pytorch-article .class dt .sig-paren {
+  font-family: IBMPlexMono,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
+  font-size: 87.5%;
+}
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+  position: absolute;
+  right: 30px;
+  padding-right: 0;
+  top: 50%;
+  -webkit-transform: perspective(1px) translateY(-50%);
+          transform: perspective(1px) translateY(-50%);
+}
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+  color: #ee4c2c;
+}
+article.pytorch-article .function .anchorjs-link, article.pytorch-article .attribute .anchorjs-link, article.pytorch-article .class .anchorjs-link {
+  display: inline;
+  position: absolute;
+  right: 8px;
+  font-size: 1.5625rem !important;
+  padding-left: 0;
+}
+article.pytorch-article .function dt > code, article.pytorch-article .attribute dt > code, article.pytorch-article .class .attribute dt > code, article.pytorch-article .class dt > code {
+  color: #262626;
+  border-top: solid 2px #f3f4f7;
+  background-color: #f3f4f7;
+  border-bottom: solid 2px #f3f4f7;
+  -webkit-box-decoration-break: clone;
+  box-decoration-break: clone;
+}
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+  font-size: 0.875rem;
+  color: #979797;
+  letter-spacing: 0;
+  line-height: 1.5rem;
+  text-transform: uppercase;
+}
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+  padding-left: 3.75rem;
+}
+article.pytorch-article .function dd p, article.pytorch-article .attribute dd p, article.pytorch-article .class .attribute dd p, article.pytorch-article .class dd p {
+  color: #262626;
+}
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+  white-space: nowrap;
+  color: #262626;
+  width: 20%;
+}
+@media screen and (min-width: 768px) {
+  article.pytorch-article .function table tbody tr th.field-name, article.pytorch-article .attribute table tbody tr th.field-name, article.pytorch-article .class table tbody tr th.field-name {
+    width: 15%;
+  }
+}
+article.pytorch-article .function table tbody tr td.field-body, article.pytorch-article .attribute table tbody tr td.field-body, article.pytorch-article .class table tbody tr td.field-body {
+  padding: 0.625rem;
+  width: 80%;
+  color: #262626;
+}
+@media screen and (min-width: 768px) {
+  article.pytorch-article .function table tbody tr td.field-body, article.pytorch-article .attribute table tbody tr td.field-body, article.pytorch-article .class table tbody tr td.field-body {
+    width: 85%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  article.pytorch-article .function table tbody tr td.field-body, article.pytorch-article .attribute table tbody tr td.field-body, article.pytorch-article .class table tbody tr td.field-body {
+    padding-left: 1.25rem;
+  }
+}
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+  padding-left: 0px;
+}
+article.pytorch-article .function table tbody tr td.field-body p:last-of-type, article.pytorch-article .attribute table tbody tr td.field-body p:last-of-type, article.pytorch-article .class table tbody tr td.field-body p:last-of-type {
+  margin-bottom: 0;
+}
+article.pytorch-article .function table tbody tr td.field-body ol, article.pytorch-article .attribute table tbody tr td.field-body ol, article.pytorch-article .class table tbody tr td.field-body ol, article.pytorch-article .function table tbody tr td.field-body ul, article.pytorch-article .attribute table tbody tr td.field-body ul, article.pytorch-article .class table tbody tr td.field-body ul {
+  padding-left: 1rem;
+  padding-bottom: 0;
+}
+article.pytorch-article .function table.docutils.field-list, article.pytorch-article .attribute table.docutils.field-list, article.pytorch-article .class table.docutils.field-list {
+  margin-bottom: 0.75rem;
+}
+article.pytorch-article .attribute .has-code {
+  float: none;
+}
+article.pytorch-article .class dt {
+  border-left: none;
+  border-top: 3px solid #ee4c2c;
+  padding-left: 4em;
+}
+article.pytorch-article .class dt em.property {
+  position: absolute;
+  left: 0.5rem;
+}
+article.pytorch-article .class dd .docutils dt {
+  padding-left: 0.5rem;
+}
+article.pytorch-article .class em.property {
+  text-transform: uppercase;
+  font-style: normal;
+  color: #ee4c2c;
+  font-size: 1rem;
+  letter-spacing: 0;
+  padding-right: 0.75rem;
+}
+article.pytorch-article .class dl dt em.property {
+  position: static;
+  left: 0;
+  padding-right: 0;
+}
+article.pytorch-article .class .method dt,
+article.pytorch-article .class .staticmethod dt {
+  border-left: 3px solid #ee4c2c;
+  border-top: none;
+}
+article.pytorch-article .class .method dt,
+article.pytorch-article .class .staticmethod dt {
+  padding-left: 0.5rem;
+}
+article.pytorch-article .class .attribute dt {
+  border-top: none;
+}
+article.pytorch-article .class .attribute dt em.property {
+  position: relative;
+  left: 0;
+}
+article.pytorch-article table {
+  table-layout: fixed;
+}
+
+article.pytorch-article .note,
+article.pytorch-article .warning,
+article.pytorch-article .tip,
+article.pytorch-article .hint,
+article.pytorch-article .important,
+article.pytorch-article .caution,
+article.pytorch-article .danger,
+article.pytorch-article .attention,
+article.pytorch-article .error {
+  background: #f3f4f7;
+  margin-top: 1.875rem;
+  margin-bottom: 1.125rem;
+}
+article.pytorch-article .note .admonition-title,
+article.pytorch-article .warning .admonition-title,
+article.pytorch-article .tip .admonition-title,
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+article.pytorch-article .important .admonition-title,
+article.pytorch-article .caution .admonition-title,
+article.pytorch-article .danger .admonition-title,
+article.pytorch-article .attention .admonition-title,
+article.pytorch-article .error .admonition-title {
+  color: #ffffff;
+  letter-spacing: 1px;
+  text-transform: uppercase;
+  margin-bottom: 1.125rem;
+  padding: 3px 0 3px 1.375rem;
+  position: relative;
+  font-size: 0.875rem;
+}
+article.pytorch-article .note .admonition-title:before,
+article.pytorch-article .warning .admonition-title:before,
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+article.pytorch-article .hint .admonition-title:before,
+article.pytorch-article .important .admonition-title:before,
+article.pytorch-article .caution .admonition-title:before,
+article.pytorch-article .danger .admonition-title:before,
+article.pytorch-article .attention .admonition-title:before,
+article.pytorch-article .error .admonition-title:before {
+  content: "\2022";
+  position: absolute;
+  left: 9px;
+  color: #ffffff;
+  top: 2px;
+}
+article.pytorch-article .note p:nth-child(n + 2),
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+article.pytorch-article .tip p:nth-child(n + 2),
+article.pytorch-article .hint p:nth-child(n + 2),
+article.pytorch-article .important p:nth-child(n + 2),
+article.pytorch-article .caution p:nth-child(n + 2),
+article.pytorch-article .danger p:nth-child(n + 2),
+article.pytorch-article .attention p:nth-child(n + 2),
+article.pytorch-article .error p:nth-child(n + 2) {
+  padding: 0 1.375rem;
+}
+article.pytorch-article .note table,
+article.pytorch-article .warning table,
+article.pytorch-article .tip table,
+article.pytorch-article .hint table,
+article.pytorch-article .important table,
+article.pytorch-article .caution table,
+article.pytorch-article .danger table,
+article.pytorch-article .attention table,
+article.pytorch-article .error table {
+  margin: 0 2rem;
+  width: auto;
+}
+article.pytorch-article .note .pre,
+article.pytorch-article .note pre,
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+article.pytorch-article .attention .pre,
+article.pytorch-article .attention pre,
+article.pytorch-article .error .pre,
+article.pytorch-article .error pre {
+  background: #ffffff;
+  outline: 1px solid #e9e9e9;
+}
+article.pytorch-article .note :not(dt) > code,
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+article.pytorch-article .hint :not(dt) > code,
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+article.pytorch-article .danger :not(dt) > code,
+article.pytorch-article .attention :not(dt) > code,
+article.pytorch-article .error :not(dt) > code {
+  border-top: solid 2px #ffffff;
+  background-color: #ffffff;
+  border-bottom: solid 2px #ffffff;
+  padding: 0px 3px;
+  -webkit-box-decoration-break: clone;
+  box-decoration-break: clone;
+  outline: 1px solid #e9e9e9;
+}
+article.pytorch-article .note :not(dt) > code .pre,
+article.pytorch-article .warning :not(dt) > code .pre,
+article.pytorch-article .tip :not(dt) > code .pre,
+article.pytorch-article .hint :not(dt) > code .pre,
+article.pytorch-article .important :not(dt) > code .pre,
+article.pytorch-article .caution :not(dt) > code .pre,
+article.pytorch-article .danger :not(dt) > code .pre,
+article.pytorch-article .attention :not(dt) > code .pre,
+article.pytorch-article .error :not(dt) > code .pre {
+  outline: 0px;
+  padding: 0px;
+}
+article.pytorch-article .note pre,
+article.pytorch-article .warning pre,
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+article.pytorch-article .caution pre,
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+article.pytorch-article .attention pre,
+article.pytorch-article .error pre {
+  margin-bottom: 0;
+}
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+article.pytorch-article .danger .highlight,
+article.pytorch-article .attention .highlight,
+article.pytorch-article .error .highlight {
+  margin: 0 2rem 1.125rem 2rem;
+}
+article.pytorch-article .note ul,
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+article.pytorch-article .attention ul,
+article.pytorch-article .attention ol,
+article.pytorch-article .error ul,
+article.pytorch-article .error ol {
+  padding-left: 3.25rem;
+}
+article.pytorch-article .note ul li,
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+article.pytorch-article .attention ul li,
+article.pytorch-article .attention ol li,
+article.pytorch-article .error ul li,
+article.pytorch-article .error ol li {
+  color: #262626;
+}
+article.pytorch-article .note p,
+article.pytorch-article .warning p,
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+article.pytorch-article .caution p,
+article.pytorch-article .danger p,
+article.pytorch-article .attention p,
+article.pytorch-article .error p {
+  margin-top: 1.125rem;
+}
+article.pytorch-article .note .admonition-title {
+  background: #54c7ec;
+}
+article.pytorch-article .warning .admonition-title {
+  background: #e94f3b;
+}
+article.pytorch-article .tip .admonition-title {
+  background: #6bcebb;
+}
+article.pytorch-article .hint .admonition-title {
+  background: #a2cdde;
+}
+article.pytorch-article .important .admonition-title {
+  background: #5890ff;
+}
+article.pytorch-article .caution .admonition-title {
+  background: #f7923a;
+}
+article.pytorch-article .danger .admonition-title {
+  background: #db2c49;
+}
+article.pytorch-article .attention .admonition-title {
+  background: #f5a623;
+}
+article.pytorch-article .error .admonition-title {
+  background: #cc2f90;
+}
+article.pytorch-article .sphx-glr-download-link-note.admonition.note,
+article.pytorch-article .reference.download.internal, article.pytorch-article .sphx-glr-signature {
+  display: none;
+}
+article.pytorch-article .admonition > p:last-of-type {
+  margin-bottom: 0;
+  padding-bottom: 1.125rem !important;
+}
+
+.pytorch-article div.sphx-glr-download a {
+  background-color: #f3f4f7;
+  background-image: url("../images/arrow-down-orange.svg");
+  background-repeat: no-repeat;
+  background-position: left 10px center;
+  background-size: 15px 15px;
+  border-radius: 0;
+  border: none;
+  display: block;
+  text-align: left;
+  padding: 0.9375rem 3.125rem;
+  position: relative;
+  margin: 1.25rem auto;
+}
+@media screen and (min-width: 768px) {
+  .pytorch-article div.sphx-glr-download a:after {
+    content: "";
+    display: block;
+    width: 0;
+    height: 1px;
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    background-color: #e44c2c;
+    -webkit-transition: width .250s ease-in-out;
+    transition: width .250s ease-in-out;
+  }
+  .pytorch-article div.sphx-glr-download a:hover:after {
+    width: 100%;
+  }
+}
+@media screen and (min-width: 768px) {
+  .pytorch-article div.sphx-glr-download a:after {
+    background-color: #ee4c2c;
+  }
+}
+@media screen and (min-width: 768px) {
+  .pytorch-article div.sphx-glr-download a {
+    background-position: left 20px center;
+  }
+}
+.pytorch-article div.sphx-glr-download a:hover {
+  -webkit-box-shadow: none;
+          box-shadow: none;
+  text-decoration: none;
+  background-image: url("../images/arrow-down-orange.svg");
+  background-color: #f3f4f7;
+}
+.pytorch-article div.sphx-glr-download a span.pre {
+  background-color: transparent;
+  font-size: 1.125rem;
+  padding: 0;
+  color: #262626;
+}
+.pytorch-article div.sphx-glr-download a code, .pytorch-article div.sphx-glr-download a kbd, .pytorch-article div.sphx-glr-download a pre, .pytorch-article div.sphx-glr-download a samp, .pytorch-article div.sphx-glr-download a span.pre {
+  font-family: FreightSans, Helvetica Neue, Helvetica, Arial, sans-serif;
+}
+
+.pytorch-article p.sphx-glr-script-out {
+  margin-bottom: 1.125rem;
+}
+
+.pytorch-article div.sphx-glr-script-out {
+  margin-bottom: 2.5rem;
+}
+.pytorch-article div.sphx-glr-script-out .highlight {
+  margin-left: 0;
+  margin-top: 0;
+}
+.pytorch-article div.sphx-glr-script-out .highlight pre {
+  background-color: #fdede9;
+  padding: 1.5625rem;
+  color: #837b79;
+}
+.pytorch-article div.sphx-glr-script-out + p {
+  margin-top: unset;
+}
+
+article.pytorch-article .wy-table-responsive table {
+  border: none;
+  border-color: #ffffff !important;
+  table-layout: fixed;
+}
+article.pytorch-article .wy-table-responsive table thead tr {
+  border-bottom: 2px solid #6c6c6d;
+}
+article.pytorch-article .wy-table-responsive table thead th {
+  line-height: 1.75rem;
+  padding-left: 0.9375rem;
+  padding-right: 0.9375rem;
+}
+article.pytorch-article .wy-table-responsive table tbody .row-odd {
+  background-color: #f3f4f7;
+}
+article.pytorch-article .wy-table-responsive table tbody td {
+  color: #6c6c6d;
+  white-space: normal;
+  padding: 0.9375rem;
+  font-size: 1rem;
+  line-height: 1.375rem;
+}
+article.pytorch-article .wy-table-responsive table tbody td .pre {
+  background: #ffffff;
+  outline: 1px solid #e9e9e9;
+  color: #ee4c2c;
+  font-size: 87.5%;
+}
+article.pytorch-article .wy-table-responsive table tbody td code {
+  font-size: 87.5%;
+}
+
+a[rel~="prev"], a[rel~="next"] {
+  padding: 0.375rem 0 0 0;
+}
+
+img.next-page,
+img.previous-page {
+  width: 8px;
+  height: 10px;
+  position: relative;
+  top: -1px;
+}
+
+img.previous-page {
+  -webkit-transform: scaleX(-1);
+          transform: scaleX(-1);
+}
+
+.rst-footer-buttons {
+  margin-top: 1.875rem;
+  margin-bottom: 1.875rem;
+}
+.rst-footer-buttons .btn:focus,
+.rst-footer-buttons .btn.focus {
+  -webkit-box-shadow: none;
+          box-shadow: none;
+}
+
+article.pytorch-article blockquote {
+  margin-left: 3.75rem;
+  color: #6c6c6d;
+}
+
+article.pytorch-article .caption {
+  color: #6c6c6d;
+  letter-spacing: 0.25px;
+  line-height: 2.125rem;
+}
+
+article.pytorch-article .math {
+  color: #262626;
+  width: auto;
+  text-align: center;
+}
+article.pytorch-article .math img {
+  width: auto;
+}
+
+.pytorch-breadcrumbs-wrapper {
+  width: 100%;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-breadcrumbs-wrapper {
+    float: left;
+    margin-left: 3%;
+    width: 75%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-breadcrumbs-wrapper {
+    width: 850px;
+    margin-left: 1.875rem;
+  }
+}
+.pytorch-breadcrumbs-wrapper .pytorch-breadcrumbs-aside {
+  float: right;
+}
+
+.pytorch-article .container {
+  padding-left: 0;
+  padding-right: 0;
+  max-width: none;
+}
+
+a:link,
+a:visited,
+a:hover {
+  color: #ee4c2c;
+}
+
+::-webkit-input-placeholder {
+  color: #ee4c2c;
+}
+
+::-moz-placeholder {
+  color: #ee4c2c;
+}
+
+:-ms-input-placeholder {
+  color: #ee4c2c;
+}
+
+:-moz-placeholder {
+  color: #ee4c2c;
+}
+
+@media screen and (min-width: 768px) {
+  .site-footer a:hover {
+    color: #ee4c2c;
+  }
+}
+
+.docs-tutorials-resources a {
+  color: #ee4c2c;
+}
+
+.header-holder {
+  position: relative;
+  z-index: 201;
+}
+
+.header-holder .main-menu ul li.active:after {
+  color: #ee4c2c;
+}
+.header-holder .main-menu ul li.active a {
+  color: #ee4c2c;
+}
+@media screen and (min-width: 1100px) {
+  .header-holder .main-menu ul li a:hover {
+    color: #ee4c2c;
+  }
+}
+
+.mobile-main-menu.open ul li.active a {
+  color: #ee4c2c;
+}
+
+.version {
+  padding-bottom: 1rem;
+}
+
+.pytorch-call-to-action-links {
+  padding-top: 0;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+}
+@media screen and (min-width: 768px) {
+  .pytorch-call-to-action-links {
+    padding-top: 2.5rem;
+  }
+}
+@media (min-width: 768px) and (max-width: 1239px) {
+  .pytorch-call-to-action-links {
+    padding-top: 0;
+  }
+}
+@media (min-width: 1100px) and (max-width: 1239px) {
+  .pytorch-call-to-action-links {
+    padding-top: 2.5rem;
+  }
+}
+.pytorch-call-to-action-links #tutorial-type {
+  display: none;
+}
+.pytorch-call-to-action-links .call-to-action-img, .pytorch-call-to-action-links .call-to-action-notebook-img {
+  height: 1.375rem;
+  width: 1.375rem;
+  margin-right: 10px;
+}
+.pytorch-call-to-action-links .call-to-action-notebook-img {
+  height: 1rem;
+}
+.pytorch-call-to-action-links a {
+  padding-right: 1.25rem;
+  color: #000000;
+  cursor: pointer;
+}
+.pytorch-call-to-action-links a:hover {
+  color: #e44c2c;
+}
+.pytorch-call-to-action-links a .call-to-action-desktop-view {
+  display: none;
+}
+@media screen and (min-width: 768px) {
+  .pytorch-call-to-action-links a .call-to-action-desktop-view {
+    display: block;
+  }
+}
+.pytorch-call-to-action-links a .call-to-action-mobile-view {
+  display: block;
+}
+@media screen and (min-width: 768px) {
+  .pytorch-call-to-action-links a .call-to-action-mobile-view {
+    display: none;
+  }
+}
+.pytorch-call-to-action-links a #google-colab-link, .pytorch-call-to-action-links a #download-notebook-link,
+.pytorch-call-to-action-links a #github-view-link {
+  padding-bottom: 0.625rem;
+  border-bottom: 1px solid #f3f4f7;
+  padding-right: 2.5rem;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+}
+.pytorch-call-to-action-links a #google-colab-link:hover, .pytorch-call-to-action-links a #download-notebook-link:hover,
+.pytorch-call-to-action-links a #github-view-link:hover {
+  border-bottom-color: #e44c2c;
+  color: #e44c2c;
+}
+
+.pytorch-container {
+  margin: 0 auto;
+  padding: 0 1.875rem;
+  width: auto;
+  position: relative;
+}
+@media screen and (min-width: 1100px) {
+  .pytorch-container {
+    padding: 0;
+  }
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-container {
+    margin-left: 25%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-container {
+    margin-left: 350px;
+  }
+}
+.pytorch-container:before, .pytorch-container:after {
+  content: "";
+  display: table;
+}
+.pytorch-container:after {
+  clear: both;
+}
+.pytorch-container {
+  *zoom: 1;
+}
+
+.pytorch-content-wrap {
+  background-color: #ffffff;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  position: relative;
+  padding-top: 0;
+}
+.pytorch-content-wrap:before, .pytorch-content-wrap:after {
+  content: "";
+  display: table;
+}
+.pytorch-content-wrap:after {
+  clear: both;
+}
+.pytorch-content-wrap {
+  *zoom: 1;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-content-wrap {
+    padding-top: 45px;
+    float: left;
+    width: 100%;
+    display: block;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-content-wrap {
+    width: 100%;
+  }
+}
+
+.pytorch-content {
+  background: #ffffff;
+  width: 100%;
+  max-width: 700px;
+  position: relative;
+}
+
+.pytorch-content-left {
+  margin-top: 2.5rem;
+  width: 100%;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-content-left {
+    margin-top: 0;
+    margin-left: 3%;
+    width: 75%;
+    float: left;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-content-left {
+    width: 850px;
+    margin-left: 30px;
+  }
+}
+.pytorch-content-left .main-content {
+  padding-top: 0.9375rem;
+}
+.pytorch-content-left .main-content ul.simple {
+  padding-bottom: 1.25rem;
+}
+.pytorch-content-left .main-content .note:nth-child(1), .pytorch-content-left .main-content .warning:nth-child(1) {
+  margin-top: 0;
+}
+
+.pytorch-content-right {
+  display: none;
+  position: relative;
+  overflow-x: hidden;
+  overflow-y: hidden;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-content-right {
+    display: block;
+    margin-left: 0;
+    width: 19%;
+    float: left;
+    height: 100%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-content-right {
+    width: 280px;
+  }
+}
+
+@media screen and (min-width: 1101px) {
+  .pytorch-side-scroll {
+    position: relative;
+    overflow-x: hidden;
+    overflow-y: scroll;
+    height: 100%;
+  }
+}
+
+.pytorch-menu-vertical {
+  padding: 1.25rem 1.875rem 2.5rem 1.875rem;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-menu-vertical {
+    display: block;
+    padding-top: 0;
+    padding-right: 13.5%;
+    padding-bottom: 5.625rem;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-menu-vertical {
+    padding-left: 0;
+    padding-right: 1.5625rem;
+  }
+}
+
+.pytorch-left-menu {
+  display: none;
+  background-color: #f3f4f7;
+  color: #262626;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-left-menu {
+    display: block;
+    overflow-x: hidden;
+    overflow-y: hidden;
+    padding-bottom: 110px;
+    padding: 0 1.875rem 0 0;
+    width: 25%;
+    z-index: 200;
+    float: left;
+  }
+  .pytorch-left-menu.make-fixed {
+    position: fixed;
+    top: 0;
+    bottom: 0;
+    left: 0;
+    float: none;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-left-menu {
+    padding: 0 0 0 1.875rem;
+    width: 350px;
+  }
+}
+
+.pytorch-left-menu p.caption {
+  color: #262626;
+  display: block;
+  display: inline-block;
+  font-size: 1rem;
+  line-height: 1.375rem;
+  margin-bottom: 1rem;
+  padding: 0;
+  text-transform: none;
+  white-space: nowrap;
+}
+
+.pytorch-left-menu-search {
+  margin-bottom: 2.5rem;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-left-menu-search {
+    margin: 1.25rem 0.625rem 1.875rem 0;
+  }
+}
+
+.pytorch-left-menu-search ::-webkit-input-placeholder {
+  color: #262626;
+}
+.pytorch-left-menu-search :-ms-input-placeholder {
+  color: #262626;
+}
+.pytorch-left-menu-search ::-ms-input-placeholder {
+  color: #262626;
+}
+.pytorch-left-menu-search ::placeholder {
+  color: #262626;
+}
+
+.pytorch-left-menu-search input[type=text] {
+  border-radius: 0;
+  padding: 0.5rem 0.75rem;
+  border-color: #ffffff;
+  color: #262626;
+  border-style: solid;
+  font-size: 1rem;
+  width: 100%;
+  background-color: #f3f4f7;
+  background-image: url("../images/search-icon.svg");
+  background-repeat: no-repeat;
+  background-size: 18px 18px;
+  background-position: 12px 10px;
+  padding-left: 40px;
+  background-color: #ffffff;
+}
+.pytorch-left-menu-search input[type=text]:focus {
+  outline: 0;
+}
+
+@media screen and (min-width: 1101px) {
+  .pytorch-left-menu .pytorch-side-scroll {
+    width: 120%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-left-menu .pytorch-side-scroll {
+    width: 340px;
+  }
+}
+
+.pytorch-right-menu {
+  min-height: 100px;
+  overflow-x: hidden;
+  overflow-y: hidden;
+  left: 0;
+  z-index: 200;
+  padding-top: 0;
+  position: relative;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-right-menu {
+    width: 100%;
+  }
+  .pytorch-right-menu.scrolling-fixed {
+    position: fixed;
+    top: 45px;
+    left: 83.5%;
+    width: 14%;
+  }
+  .pytorch-right-menu.scrolling-absolute {
+    position: absolute;
+    left: 0;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-right-menu {
+    left: 0;
+    width: 380px;
+  }
+  .pytorch-right-menu.scrolling-fixed {
+    position: fixed;
+    top: 45px;
+    left: 1230px;
+  }
+  .pytorch-right-menu.scrolling-absolute {
+    position: absolute;
+    left: 0;
+  }
+}
+
+.pytorch-left-menu ul,
+.pytorch-right-menu ul {
+  list-style-type: none;
+  padding-left: 0;
+  margin-bottom: 2.5rem;
+}
+.pytorch-left-menu > ul,
+.pytorch-right-menu > ul {
+  margin-bottom: 2.5rem;
+}
+.pytorch-left-menu a:link,
+.pytorch-left-menu a:visited,
+.pytorch-left-menu a:hover,
+.pytorch-right-menu a:link,
+.pytorch-right-menu a:visited,
+.pytorch-right-menu a:hover {
+  color: #6c6c6d;
+  font-size: 0.875rem;
+  line-height: 1rem;
+  padding: 0;
+  text-decoration: none;
+}
+.pytorch-left-menu a:link.reference.internal,
+.pytorch-left-menu a:visited.reference.internal,
+.pytorch-left-menu a:hover.reference.internal,
+.pytorch-right-menu a:link.reference.internal,
+.pytorch-right-menu a:visited.reference.internal,
+.pytorch-right-menu a:hover.reference.internal {
+  margin-bottom: 0.3125rem;
+  position: relative;
+}
+.pytorch-left-menu li code,
+.pytorch-right-menu li code {
+  border: none;
+  background: inherit;
+  color: inherit;
+  padding-left: 0;
+  padding-right: 0;
+}
+.pytorch-left-menu li span.toctree-expand,
+.pytorch-right-menu li span.toctree-expand {
+  display: block;
+  float: left;
+  margin-left: -1.2em;
+  font-size: 0.8em;
+  line-height: 1.6em;
+}
+.pytorch-left-menu li.on a, .pytorch-left-menu li.current > a,
+.pytorch-right-menu li.on a,
+.pytorch-right-menu li.current > a {
+  position: relative;
+  border: none;
+}
+.pytorch-left-menu li.on a span.toctree-expand, .pytorch-left-menu li.current > a span.toctree-expand,
+.pytorch-right-menu li.on a span.toctree-expand,
+.pytorch-right-menu li.current > a span.toctree-expand {
+  display: block;
+  font-size: 0.8em;
+  line-height: 1.6em;
+}
+.pytorch-left-menu li.toctree-l1.current > a,
+.pytorch-right-menu li.toctree-l1.current > a {
+  color: #ee4c2c;
+}
+.pytorch-left-menu li.toctree-l1.current > a:before,
+.pytorch-right-menu li.toctree-l1.current > a:before {
+  content: "\2022";
+  display: inline-block;
+  position: absolute;
+  left: -15px;
+  top: 1px;
+  font-size: 1.375rem;
+  color: #ee4c2c;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-left-menu li.toctree-l1.current > a:before,
+  .pytorch-right-menu li.toctree-l1.current > a:before {
+    left: -20px;
+  }
+}
+.pytorch-left-menu li.toctree-l1.current li.toctree-l2 > ul, .pytorch-left-menu li.toctree-l2.current li.toctree-l3 > ul,
+.pytorch-right-menu li.toctree-l1.current li.toctree-l2 > ul,
+.pytorch-right-menu li.toctree-l2.current li.toctree-l3 > ul {
+  display: none;
+}
+.pytorch-left-menu li.toctree-l1.current li.toctree-l2.current > ul, .pytorch-left-menu li.toctree-l2.current li.toctree-l3.current > ul,
+.pytorch-right-menu li.toctree-l1.current li.toctree-l2.current > ul,
+.pytorch-right-menu li.toctree-l2.current li.toctree-l3.current > ul {
+  display: block;
+}
+.pytorch-left-menu li.toctree-l2.current li.toctree-l3 > a,
+.pytorch-right-menu li.toctree-l2.current li.toctree-l3 > a {
+  display: block;
+}
+.pytorch-left-menu li.toctree-l3,
+.pytorch-right-menu li.toctree-l3 {
+  font-size: 0.9em;
+}
+.pytorch-left-menu li.toctree-l3.current li.toctree-l4 > a,
+.pytorch-right-menu li.toctree-l3.current li.toctree-l4 > a {
+  display: block;
+}
+.pytorch-left-menu li.toctree-l4,
+.pytorch-right-menu li.toctree-l4 {
+  font-size: 0.9em;
+}
+.pytorch-left-menu li.current ul,
+.pytorch-right-menu li.current ul {
+  display: block;
+}
+.pytorch-left-menu li ul,
+.pytorch-right-menu li ul {
+  margin-bottom: 0;
+  display: none;
+}
+.pytorch-left-menu li ul li a,
+.pytorch-right-menu li ul li a {
+  margin-bottom: 0;
+}
+.pytorch-left-menu a,
+.pytorch-right-menu a {
+  display: inline-block;
+  position: relative;
+}
+.pytorch-left-menu a:hover,
+.pytorch-right-menu a:hover {
+  cursor: pointer;
+}
+.pytorch-left-menu a:active,
+.pytorch-right-menu a:active {
+  cursor: pointer;
+}
+
+.pytorch-left-menu ul {
+  padding-left: 0;
+}
+
+.pytorch-right-menu a:link,
+.pytorch-right-menu a:visited,
+.pytorch-right-menu a:hover {
+  color: #6c6c6d;
+}
+.pytorch-right-menu a:link span.pre,
+.pytorch-right-menu a:visited span.pre,
+.pytorch-right-menu a:hover span.pre {
+  color: #6c6c6d;
+}
+.pytorch-right-menu a.reference.internal.expanded:before {
+  content: "-";
+  font-family: monospace;
+  position: absolute;
+  left: -12px;
+}
+.pytorch-right-menu a.reference.internal.not-expanded:before {
+  content: "+";
+  font-family: monospace;
+  position: absolute;
+  left: -12px;
+}
+.pytorch-right-menu li.active > a {
+  color: #ee4c2c;
+}
+.pytorch-right-menu li.active > a span.pre, .pytorch-right-menu li.active > a:before {
+  color: #ee4c2c;
+}
+.pytorch-right-menu li.active > a:after {
+  content: "\2022";
+  color: #e44c2c;
+  display: inline-block;
+  font-size: 1.375rem;
+  left: -17px;
+  position: absolute;
+  top: 1px;
+}
+.pytorch-right-menu .pytorch-side-scroll > ul > li > ul > li {
+  margin-bottom: 0;
+}
+.pytorch-right-menu ul ul {
+  padding-left: 0;
+}
+.pytorch-right-menu ul ul li {
+  padding-left: 0px;
+}
+.pytorch-right-menu ul ul li a.reference.internal {
+  padding-left: 0;
+}
+.pytorch-right-menu ul ul li ul {
+  display: none;
+  padding-left: 10px;
+}
+.pytorch-right-menu ul ul li li a.reference.internal {
+  padding-left: 0;
+}
+.pytorch-right-menu li ul {
+  display: block;
+}
+
+.pytorch-right-menu .pytorch-side-scroll {
+  padding-top: 20px;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-right-menu .pytorch-side-scroll {
+    width: 120%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-right-menu .pytorch-side-scroll {
+    width: 400px;
+  }
+}
+.pytorch-right-menu .pytorch-side-scroll > ul {
+  padding-left: 10%;
+  padding-right: 10%;
+  margin-bottom: 0;
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-right-menu .pytorch-side-scroll > ul {
+    padding-left: 25px;
+  }
+}
+.pytorch-right-menu .pytorch-side-scroll > ul > li > a.reference.internal {
+  color: #262626;
+  font-weight: 500;
+}
+.pytorch-right-menu .pytorch-side-scroll ul li {
+  position: relative;
+}
+
+.header-container {
+  max-width: none;
+  margin-top: 4px;
+}
+@media screen and (min-width: 1101px) {
+  .header-container {
+    margin-top: 0;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .header-container {
+    margin-top: 0;
+  }
+}
+
+.container-fluid.header-holder {
+  padding-right: 0;
+  padding-left: 0;
+}
+
+.header-holder .container {
+  max-width: none;
+  padding-right: 1.875rem;
+  padding-left: 1.875rem;
+}
+@media screen and (min-width: 1101px) {
+  .header-holder .container {
+    padding-right: 1.875rem;
+    padding-left: 1.875rem;
+  }
+}
+
+.header-holder .main-menu {
+  -webkit-box-pack: unset;
+      -ms-flex-pack: unset;
+          justify-content: unset;
+  position: relative;
+}
+@media screen and (min-width: 1101px) {
+  .header-holder .main-menu ul {
+    padding-left: 0;
+    margin-left: 26%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .header-holder .main-menu ul {
+    padding-left: 38px;
+    margin-left: 310px;
+  }
+}
+
+.pytorch-page-level-bar {
+  display: none;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  background-color: #ffffff;
+  border-bottom: 1px solid #e2e2e2;
+  width: 100%;
+  z-index: 201;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-page-level-bar {
+    left: 0;
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    height: 45px;
+    padding-left: 0;
+    width: 100%;
+    position: absolute;
+    z-index: 1;
+  }
+  .pytorch-page-level-bar.left-menu-is-fixed {
+    position: fixed;
+    top: 0;
+    left: 25%;
+    padding-left: 0;
+    right: 0;
+    width: 75%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-page-level-bar {
+    left: 0;
+    right: 0;
+    width: auto;
+    z-index: 1;
+  }
+  .pytorch-page-level-bar.left-menu-is-fixed {
+    left: 350px;
+    right: 0;
+    width: auto;
+  }
+}
+.pytorch-page-level-bar ul, .pytorch-page-level-bar li {
+  margin: 0;
+}
+
+.pytorch-shortcuts-wrapper {
+  display: none;
+}
+@media screen and (min-width: 1101px) {
+  .pytorch-shortcuts-wrapper {
+    font-size: 0.875rem;
+    float: left;
+    margin-left: 2%;
+  }
+}
+@media screen and (min-width: 1600px) {
+  .pytorch-shortcuts-wrapper {
+    margin-left: 1.875rem;
+  }
+}
+
+.cookie-banner-wrapper {
+  display: none;
+}
+.cookie-banner-wrapper .container {
+  padding-left: 1.875rem;
+  padding-right: 1.875rem;
+  max-width: 1240px;
+}
+.cookie-banner-wrapper.is-visible {
+  display: block;
+  position: fixed;
+  bottom: 0;
+  background-color: #f3f4f7;
+  min-height: 100px;
+  width: 100%;
+  z-index: 401;
+  border-top: 3px solid #ededee;
+}
+.cookie-banner-wrapper .gdpr-notice {
+  color: #6c6c6d;
+  margin-top: 1.5625rem;
+  text-align: left;
+  max-width: 1440px;
+}
+@media screen and (min-width: 768px) {
+  .cookie-banner-wrapper .gdpr-notice {
+    width: 77%;
+  }
+}
+@media (min-width: 768px) and (max-width: 1239px) {
+  .cookie-banner-wrapper .gdpr-notice {
+    width: inherit;
+  }
+}
+.cookie-banner-wrapper .gdpr-notice .cookie-policy-link {
+  color: #343434;
+}
+.cookie-banner-wrapper .close-button {
+  -webkit-appearance: none;
+     -moz-appearance: none;
+          appearance: none;
+  background: transparent;
+  border: 1px solid #f3f4f7;
+  height: 1.3125rem;
+  position: absolute;
+  bottom: 42px;
+  right: 0;
+  top: 0;
+  cursor: pointer;
+  outline: none;
+}
+@media screen and (min-width: 768px) {
+  .cookie-banner-wrapper .close-button {
+    right: 20%;
+    top: inherit;
+  }
+}
+@media (min-width: 768px) and (max-width: 1239px) {
+  .cookie-banner-wrapper .close-button {
+    right: 0;
+    top: 0;
+  }
+}
+
+.main-menu ul li .ecosystem-dropdown, .main-menu ul li .resources-dropdown a {
+  cursor: pointer;
+}
+.main-menu ul li .dropdown-menu {
+  border-radius: 0;
+  padding: 0;
+}
+.main-menu ul li .dropdown-menu .dropdown-item {
+  color: #6c6c6d;
+  border-bottom: 1px solid #e2e2e2;
+}
+.main-menu ul li .dropdown-menu .dropdown-item:last-of-type {
+  border-bottom-color: transparent;
+}
+.main-menu ul li .dropdown-menu .dropdown-item:hover {
+  background-color: #e44c2c;
+}
+.main-menu ul li .dropdown-menu .dropdown-item p {
+  font-size: 1rem;
+  color: #979797;
+}
+.main-menu ul li .dropdown-menu a.dropdown-item:hover {
+  color: #ffffff;
+}
+.main-menu ul li .dropdown-menu a.dropdown-item:hover p {
+  color: #ffffff;
+}
+
+.ecosystem-dropdown-menu, .resources-dropdown-menu {
+  left: -75px;
+  width: 226px;
+  display: none;
+  position: absolute;
+  top: 3.125rem;
+  z-index: 1000;
+  display: none;
+  float: left;
+  min-width: 10rem;
+  padding: 0.5rem 0;
+  margin: 0.125rem 0 0;
+  font-size: 1rem;
+  color: #212529;
+  text-align: left;
+  list-style: none;
+  background-color: #ffffff;
+  background-clip: padding-box;
+  border: 1px solid rgba(0, 0, 0, 0.15);
+  border-radius: 0.25rem;
+}
+
+.ecosystem-dropdown-menu.show-menu, .resources-dropdown-menu.show-menu {
+  display: block;
+}
+
+.main-menu ul li .ecosystem-dropdown-menu, .main-menu ul li .resources-dropdown-menu {
+  border-radius: 0;
+  padding: 0;
+}
+
+.main-menu ul li .ecosystem-dropdown-menu .dropdown-item, .main-menu ul li .resources-dropdown-menu .dropdown-item {
+  color: #6c6c6d;
+  border-bottom: 1px solid #e2e2e2;
+}
+
+.header-holder .main-menu ul li a.nav-dropdown-item {
+  display: block;
+  font-size: 1rem;
+  line-height: 1.3125rem;
+  width: 100%;
+  padding: 0.25rem 1.5rem;
+  clear: both;
+  font-weight: 400;
+  color: #979797;
+  text-align: center;
+  background-color: transparent;
+  border-bottom: 1px solid #e2e2e2;
+}
+.header-holder .main-menu ul li a.nav-dropdown-item:last-of-type {
+  border-bottom-color: transparent;
+}
+.header-holder .main-menu ul li a.nav-dropdown-item:hover {
+  background-color: #e44c2c;
+  color: white;
+}
+.header-holder .main-menu ul li a.nav-dropdown-item .dropdown-title {
+  font-size: 1.125rem;
+  color: #6c6c6d;
+  letter-spacing: 0;
+  line-height: 34px;
+}
+
+.header-holder .main-menu ul li a.nav-dropdown-item:hover .dropdown-title {
+  background-color: #e44c2c;
+  color: white;
+}
 
 /*# sourceMappingURL=theme.css.map */
\ No newline at end of file
diff --git a/_static/jquery-3.4.1.js b/_static/jquery-3.4.1.js
new file mode 100644
index 0000000000..773ad95c56
--- /dev/null
+++ b/_static/jquery-3.4.1.js
@@ -0,0 +1,10598 @@
+/*!
+ * jQuery JavaScript Library v3.4.1
+ * https://jquery.com/
+ *
+ * Includes Sizzle.js
+ * https://sizzlejs.com/
+ *
+ * Copyright JS Foundation and other contributors
+ * Released under the MIT license
+ * https://jquery.org/license
+ *
+ * Date: 2019-05-01T21:04Z
+ */
+( function( global, factory ) {
+
+	"use strict";
+
+	if ( typeof module === "object" && typeof module.exports === "object" ) {
+
+		// For CommonJS and CommonJS-like environments where a proper `window`
+		// is present, execute the factory and get jQuery.
+		// For environments that do not have a `window` with a `document`
+		// (such as Node.js), expose a factory as module.exports.
+		// This accentuates the need for the creation of a real `window`.
+		// e.g. var jQuery = require("jquery")(window);
+		// See ticket #14549 for more info.
+		module.exports = global.document ?
+			factory( global, true ) :
+			function( w ) {
+				if ( !w.document ) {
+					throw new Error( "jQuery requires a window with a document" );
+				}
+				return factory( w );
+			};
+	} else {
+		factory( global );
+	}
+
+// Pass this if window is not defined yet
+} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
+
+// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
+// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
+// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
+// enough that all such attempts are guarded in a try block.
+"use strict";
+
+var arr = [];
+
+var document = window.document;
+
+var getProto = Object.getPrototypeOf;
+
+var slice = arr.slice;
+
+var concat = arr.concat;
+
+var push = arr.push;
+
+var indexOf = arr.indexOf;
+
+var class2type = {};
+
+var toString = class2type.toString;
+
+var hasOwn = class2type.hasOwnProperty;
+
+var fnToString = hasOwn.toString;
+
+var ObjectFunctionString = fnToString.call( Object );
+
+var support = {};
+
+var isFunction = function isFunction( obj ) {
+
+      // Support: Chrome <=57, Firefox <=52
+      // In some browsers, typeof returns "function" for HTML  elements
+      // (i.e., `typeof document.createElement( "object" ) === "function"`).
+      // We don't want to classify *any* DOM node as a function.
+      return typeof obj === "function" && typeof obj.nodeType !== "number";
+  };
+
+
+var isWindow = function isWindow( obj ) {
+		return obj != null && obj === obj.window;
+	};
+
+
+
+
+	var preservedScriptAttributes = {
+		type: true,
+		src: true,
+		nonce: true,
+		noModule: true
+	};
+
+	function DOMEval( code, node, doc ) {
+		doc = doc || document;
+
+		var i, val,
+			script = doc.createElement( "script" );
+
+		script.text = code;
+		if ( node ) {
+			for ( i in preservedScriptAttributes ) {
+
+				// Support: Firefox 64+, Edge 18+
+				// Some browsers don't support the "nonce" property on scripts.
+				// On the other hand, just using `getAttribute` is not enough as
+				// the `nonce` attribute is reset to an empty string whenever it
+				// becomes browsing-context connected.
+				// See https://github.com/whatwg/html/issues/2369
+				// See https://html.spec.whatwg.org/#nonce-attributes
+				// The `node.getAttribute` check was added for the sake of
+				// `jQuery.globalEval` so that it can fake a nonce-containing node
+				// via an object.
+				val = node[ i ] || node.getAttribute && node.getAttribute( i );
+				if ( val ) {
+					script.setAttribute( i, val );
+				}
+			}
+		}
+		doc.head.appendChild( script ).parentNode.removeChild( script );
+	}
+
+
+function toType( obj ) {
+	if ( obj == null ) {
+		return obj + "";
+	}
+
+	// Support: Android <=2.3 only (functionish RegExp)
+	return typeof obj === "object" || typeof obj === "function" ?
+		class2type[ toString.call( obj ) ] || "object" :
+		typeof obj;
+}
+/* global Symbol */
+// Defining this global in .eslintrc.json would create a danger of using the global
+// unguarded in another place, it seems safer to define global only for this module
+
+
+
+var
+	version = "3.4.1",
+
+	// Define a local copy of jQuery
+	jQuery = function( selector, context ) {
+
+		// The jQuery object is actually just the init constructor 'enhanced'
+		// Need init if jQuery is called (just allow error to be thrown if not included)
+		return new jQuery.fn.init( selector, context );
+	},
+
+	// Support: Android <=4.0 only
+	// Make sure we trim BOM and NBSP
+	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
+
+jQuery.fn = jQuery.prototype = {
+
+	// The current version of jQuery being used
+	jquery: version,
+
+	constructor: jQuery,
+
+	// The default length of a jQuery object is 0
+	length: 0,
+
+	toArray: function() {
+		return slice.call( this );
+	},
+
+	// Get the Nth element in the matched element set OR
+	// Get the whole matched element set as a clean array
+	get: function( num ) {
+
+		// Return all the elements in a clean array
+		if ( num == null ) {
+			return slice.call( this );
+		}
+
+		// Return just the one element from the set
+		return num < 0 ? this[ num + this.length ] : this[ num ];
+	},
+
+	// Take an array of elements and push it onto the stack
+	// (returning the new matched element set)
+	pushStack: function( elems ) {
+
+		// Build a new jQuery matched element set
+		var ret = jQuery.merge( this.constructor(), elems );
+
+		// Add the old object onto the stack (as a reference)
+		ret.prevObject = this;
+
+		// Return the newly-formed element set
+		return ret;
+	},
+
+	// Execute a callback for every element in the matched set.
+	each: function( callback ) {
+		return jQuery.each( this, callback );
+	},
+
+	map: function( callback ) {
+		return this.pushStack( jQuery.map( this, function( elem, i ) {
+			return callback.call( elem, i, elem );
+		} ) );
+	},
+
+	slice: function() {
+		return this.pushStack( slice.apply( this, arguments ) );
+	},
+
+	first: function() {
+		return this.eq( 0 );
+	},
+
+	last: function() {
+		return this.eq( -1 );
+	},
+
+	eq: function( i ) {
+		var len = this.length,
+			j = +i + ( i < 0 ? len : 0 );
+		return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
+	},
+
+	end: function() {
+		return this.prevObject || this.constructor();
+	},
+
+	// For internal use only.
+	// Behaves like an Array's method, not like a jQuery method.
+	push: push,
+	sort: arr.sort,
+	splice: arr.splice
+};
+
+jQuery.extend = jQuery.fn.extend = function() {
+	var options, name, src, copy, copyIsArray, clone,
+		target = arguments[ 0 ] || {},
+		i = 1,
+		length = arguments.length,
+		deep = false;
+
+	// Handle a deep copy situation
+	if ( typeof target === "boolean" ) {
+		deep = target;
+
+		// Skip the boolean and the target
+		target = arguments[ i ] || {};
+		i++;
+	}
+
+	// Handle case when target is a string or something (possible in deep copy)
+	if ( typeof target !== "object" && !isFunction( target ) ) {
+		target = {};
+	}
+
+	// Extend jQuery itself if only one argument is passed
+	if ( i === length ) {
+		target = this;
+		i--;
+	}
+
+	for ( ; i < length; i++ ) {
+
+		// Only deal with non-null/undefined values
+		if ( ( options = arguments[ i ] ) != null ) {
+
+			// Extend the base object
+			for ( name in options ) {
+				copy = options[ name ];
+
+				// Prevent Object.prototype pollution
+				// Prevent never-ending loop
+				if ( name === "__proto__" || target === copy ) {
+					continue;
+				}
+
+				// Recurse if we're merging plain objects or arrays
+				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
+					( copyIsArray = Array.isArray( copy ) ) ) ) {
+					src = target[ name ];
+
+					// Ensure proper type for the source value
+					if ( copyIsArray && !Array.isArray( src ) ) {
+						clone = [];
+					} else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
+						clone = {};
+					} else {
+						clone = src;
+					}
+					copyIsArray = false;
+
+					// Never move original objects, clone them
+					target[ name ] = jQuery.extend( deep, clone, copy );
+
+				// Don't bring in undefined values
+				} else if ( copy !== undefined ) {
+					target[ name ] = copy;
+				}
+			}
+		}
+	}
+
+	// Return the modified object
+	return target;
+};
+
+jQuery.extend( {
+
+	// Unique for each copy of jQuery on the page
+	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
+
+	// Assume jQuery is ready without the ready module
+	isReady: true,
+
+	error: function( msg ) {
+		throw new Error( msg );
+	},
+
+	noop: function() {},
+
+	isPlainObject: function( obj ) {
+		var proto, Ctor;
+
+		// Detect obvious negatives
+		// Use toString instead of jQuery.type to catch host objects
+		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
+			return false;
+		}
+
+		proto = getProto( obj );
+
+		// Objects with no prototype (e.g., `Object.create( null )`) are plain
+		if ( !proto ) {
+			return true;
+		}
+
+		// Objects with prototype are plain iff they were constructed by a global Object function
+		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
+		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
+	},
+
+	isEmptyObject: function( obj ) {
+		var name;
+
+		for ( name in obj ) {
+			return false;
+		}
+		return true;
+	},
+
+	// Evaluates a script in a global context
+	globalEval: function( code, options ) {
+		DOMEval( code, { nonce: options && options.nonce } );
+	},
+
+	each: function( obj, callback ) {
+		var length, i = 0;
+
+		if ( isArrayLike( obj ) ) {
+			length = obj.length;
+			for ( ; i < length; i++ ) {
+				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
+					break;
+				}
+			}
+		} else {
+			for ( i in obj ) {
+				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
+					break;
+				}
+			}
+		}
+
+		return obj;
+	},
+
+	// Support: Android <=4.0 only
+	trim: function( text ) {
+		return text == null ?
+			"" :
+			( text + "" ).replace( rtrim, "" );
+	},
+
+	// results is for internal usage only
+	makeArray: function( arr, results ) {
+		var ret = results || [];
+
+		if ( arr != null ) {
+			if ( isArrayLike( Object( arr ) ) ) {
+				jQuery.merge( ret,
+					typeof arr === "string" ?
+					[ arr ] : arr
+				);
+			} else {
+				push.call( ret, arr );
+			}
+		}
+
+		return ret;
+	},
+
+	inArray: function( elem, arr, i ) {
+		return arr == null ? -1 : indexOf.call( arr, elem, i );
+	},
+
+	// Support: Android <=4.0 only, PhantomJS 1 only
+	// push.apply(_, arraylike) throws on ancient WebKit
+	merge: function( first, second ) {
+		var len = +second.length,
+			j = 0,
+			i = first.length;
+
+		for ( ; j < len; j++ ) {
+			first[ i++ ] = second[ j ];
+		}
+
+		first.length = i;
+
+		return first;
+	},
+
+	grep: function( elems, callback, invert ) {
+		var callbackInverse,
+			matches = [],
+			i = 0,
+			length = elems.length,
+			callbackExpect = !invert;
+
+		// Go through the array, only saving the items
+		// that pass the validator function
+		for ( ; i < length; i++ ) {
+			callbackInverse = !callback( elems[ i ], i );
+			if ( callbackInverse !== callbackExpect ) {
+				matches.push( elems[ i ] );
+			}
+		}
+
+		return matches;
+	},
+
+	// arg is for internal usage only
+	map: function( elems, callback, arg ) {
+		var length, value,
+			i = 0,
+			ret = [];
+
+		// Go through the array, translating each of the items to their new values
+		if ( isArrayLike( elems ) ) {
+			length = elems.length;
+			for ( ; i < length; i++ ) {
+				value = callback( elems[ i ], i, arg );
+
+				if ( value != null ) {
+					ret.push( value );
+				}
+			}
+
+		// Go through every key on the object,
+		} else {
+			for ( i in elems ) {
+				value = callback( elems[ i ], i, arg );
+
+				if ( value != null ) {
+					ret.push( value );
+				}
+			}
+		}
+
+		// Flatten any nested arrays
+		return concat.apply( [], ret );
+	},
+
+	// A global GUID counter for objects
+	guid: 1,
+
+	// jQuery.support is not used in Core but other projects attach their
+	// properties to it so it needs to exist.
+	support: support
+} );
+
+if ( typeof Symbol === "function" ) {
+	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
+}
+
+// Populate the class2type map
+jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
+function( i, name ) {
+	class2type[ "[object " + name + "]" ] = name.toLowerCase();
+} );
+
+function isArrayLike( obj ) {
+
+	// Support: real iOS 8.2 only (not reproducible in simulator)
+	// `in` check used to prevent JIT error (gh-2145)
+	// hasOwn isn't used here due to false negatives
+	// regarding Nodelist length in IE
+	var length = !!obj && "length" in obj && obj.length,
+		type = toType( obj );
+
+	if ( isFunction( obj ) || isWindow( obj ) ) {
+		return false;
+	}
+
+	return type === "array" || length === 0 ||
+		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
+}
+var Sizzle =
+/*!
+ * Sizzle CSS Selector Engine v2.3.4
+ * https://sizzlejs.com/
+ *
+ * Copyright JS Foundation and other contributors
+ * Released under the MIT license
+ * https://js.foundation/
+ *
+ * Date: 2019-04-08
+ */
+(function( window ) {
+
+var i,
+	support,
+	Expr,
+	getText,
+	isXML,
+	tokenize,
+	compile,
+	select,
+	outermostContext,
+	sortInput,
+	hasDuplicate,
+
+	// Local document vars
+	setDocument,
+	document,
+	docElem,
+	documentIsHTML,
+	rbuggyQSA,
+	rbuggyMatches,
+	matches,
+	contains,
+
+	// Instance-specific data
+	expando = "sizzle" + 1 * new Date(),
+	preferredDoc = window.document,
+	dirruns = 0,
+	done = 0,
+	classCache = createCache(),
+	tokenCache = createCache(),
+	compilerCache = createCache(),
+	nonnativeSelectorCache = createCache(),
+	sortOrder = function( a, b ) {
+		if ( a === b ) {
+			hasDuplicate = true;
+		}
+		return 0;
+	},
+
+	// Instance methods
+	hasOwn = ({}).hasOwnProperty,
+	arr = [],
+	pop = arr.pop,
+	push_native = arr.push,
+	push = arr.push,
+	slice = arr.slice,
+	// Use a stripped-down indexOf as it's faster than native
+	// https://jsperf.com/thor-indexof-vs-for/5
+	indexOf = function( list, elem ) {
+		var i = 0,
+			len = list.length;
+		for ( ; i < len; i++ ) {
+			if ( list[i] === elem ) {
+				return i;
+			}
+		}
+		return -1;
+	},
+
+	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
+
+	// Regular expressions
+
+	// http://www.w3.org/TR/css3-selectors/#whitespace
+	whitespace = "[\\x20\\t\\r\\n\\f]",
+
+	// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
+	identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
+
+	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
+	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
+		// Operator (capture 2)
+		"*([*^$|!~]?=)" + whitespace +
+		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
+		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
+		"*\\]",
+
+	pseudos = ":(" + identifier + ")(?:\\((" +
+		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
+		// 1. quoted (capture 3; capture 4 or capture 5)
+		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
+		// 2. simple (capture 6)
+		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
+		// 3. anything else (capture 2)
+		".*" +
+		")\\)|)",
+
+	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
+	rwhitespace = new RegExp( whitespace + "+", "g" ),
+	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
+
+	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
+	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
+	rdescend = new RegExp( whitespace + "|>" ),
+
+	rpseudo = new RegExp( pseudos ),
+	ridentifier = new RegExp( "^" + identifier + "$" ),
+
+	matchExpr = {
+		"ID": new RegExp( "^#(" + identifier + ")" ),
+		"CLASS": new RegExp( "^\\.(" + identifier + ")" ),
+		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
+		"ATTR": new RegExp( "^" + attributes ),
+		"PSEUDO": new RegExp( "^" + pseudos ),
+		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
+			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
+			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
+		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
+		// For use in libraries implementing .is()
+		// We use this for POS matching in `select`
+		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
+			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
+	},
+
+	rhtml = /HTML$/i,
+	rinputs = /^(?:input|select|textarea|button)$/i,
+	rheader = /^h\d$/i,
+
+	rnative = /^[^{]+\{\s*\[native \w/,
+
+	// Easily-parseable/retrievable ID or TAG or CLASS selectors
+	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
+
+	rsibling = /[+~]/,
+
+	// CSS escapes
+	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
+	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
+	funescape = function( _, escaped, escapedWhitespace ) {
+		var high = "0x" + escaped - 0x10000;
+		// NaN means non-codepoint
+		// Support: Firefox<24
+		// Workaround erroneous numeric interpretation of +"0x"
+		return high !== high || escapedWhitespace ?
+			escaped :
+			high < 0 ?
+				// BMP codepoint
+				String.fromCharCode( high + 0x10000 ) :
+				// Supplemental Plane codepoint (surrogate pair)
+				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
+	},
+
+	// CSS string/identifier serialization
+	// https://drafts.csswg.org/cssom/#common-serializing-idioms
+	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
+	fcssescape = function( ch, asCodePoint ) {
+		if ( asCodePoint ) {
+
+			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
+			if ( ch === "\0" ) {
+				return "\uFFFD";
+			}
+
+			// Control characters and (dependent upon position) numbers get escaped as code points
+			return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
+		}
+
+		// Other potentially-special ASCII characters get backslash-escaped
+		return "\\" + ch;
+	},
+
+	// Used for iframes
+	// See setDocument()
+	// Removing the function wrapper causes a "Permission Denied"
+	// error in IE
+	unloadHandler = function() {
+		setDocument();
+	},
+
+	inDisabledFieldset = addCombinator(
+		function( elem ) {
+			return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
+		},
+		{ dir: "parentNode", next: "legend" }
+	);
+
+// Optimize for push.apply( _, NodeList )
+try {
+	push.apply(
+		(arr = slice.call( preferredDoc.childNodes )),
+		preferredDoc.childNodes
+	);
+	// Support: Android<4.0
+	// Detect silently failing push.apply
+	arr[ preferredDoc.childNodes.length ].nodeType;
+} catch ( e ) {
+	push = { apply: arr.length ?
+
+		// Leverage slice if possible
+		function( target, els ) {
+			push_native.apply( target, slice.call(els) );
+		} :
+
+		// Support: IE<9
+		// Otherwise append directly
+		function( target, els ) {
+			var j = target.length,
+				i = 0;
+			// Can't trust NodeList.length
+			while ( (target[j++] = els[i++]) ) {}
+			target.length = j - 1;
+		}
+	};
+}
+
+function Sizzle( selector, context, results, seed ) {
+	var m, i, elem, nid, match, groups, newSelector,
+		newContext = context && context.ownerDocument,
+
+		// nodeType defaults to 9, since context defaults to document
+		nodeType = context ? context.nodeType : 9;
+
+	results = results || [];
+
+	// Return early from calls with invalid selector or context
+	if ( typeof selector !== "string" || !selector ||
+		nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
+
+		return results;
+	}
+
+	// Try to shortcut find operations (as opposed to filters) in HTML documents
+	if ( !seed ) {
+
+		if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
+			setDocument( context );
+		}
+		context = context || document;
+
+		if ( documentIsHTML ) {
+
+			// If the selector is sufficiently simple, try using a "get*By*" DOM method
+			// (excepting DocumentFragment context, where the methods don't exist)
+			if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
+
+				// ID selector
+				if ( (m = match[1]) ) {
+
+					// Document context
+					if ( nodeType === 9 ) {
+						if ( (elem = context.getElementById( m )) ) {
+
+							// Support: IE, Opera, Webkit
+							// TODO: identify versions
+							// getElementById can match elements by name instead of ID
+							if ( elem.id === m ) {
+								results.push( elem );
+								return results;
+							}
+						} else {
+							return results;
+						}
+
+					// Element context
+					} else {
+
+						// Support: IE, Opera, Webkit
+						// TODO: identify versions
+						// getElementById can match elements by name instead of ID
+						if ( newContext && (elem = newContext.getElementById( m )) &&
+							contains( context, elem ) &&
+							elem.id === m ) {
+
+							results.push( elem );
+							return results;
+						}
+					}
+
+				// Type selector
+				} else if ( match[2] ) {
+					push.apply( results, context.getElementsByTagName( selector ) );
+					return results;
+
+				// Class selector
+				} else if ( (m = match[3]) && support.getElementsByClassName &&
+					context.getElementsByClassName ) {
+
+					push.apply( results, context.getElementsByClassName( m ) );
+					return results;
+				}
+			}
+
+			// Take advantage of querySelectorAll
+			if ( support.qsa &&
+				!nonnativeSelectorCache[ selector + " " ] &&
+				(!rbuggyQSA || !rbuggyQSA.test( selector )) &&
+
+				// Support: IE 8 only
+				// Exclude object elements
+				(nodeType !== 1 || context.nodeName.toLowerCase() !== "object") ) {
+
+				newSelector = selector;
+				newContext = context;
+
+				// qSA considers elements outside a scoping root when evaluating child or
+				// descendant combinators, which is not what we want.
+				// In such cases, we work around the behavior by prefixing every selector in the
+				// list with an ID selector referencing the scope context.
+				// Thanks to Andrew Dupont for this technique.
+				if ( nodeType === 1 && rdescend.test( selector ) ) {
+
+					// Capture the context ID, setting it first if necessary
+					if ( (nid = context.getAttribute( "id" )) ) {
+						nid = nid.replace( rcssescape, fcssescape );
+					} else {
+						context.setAttribute( "id", (nid = expando) );
+					}
+
+					// Prefix every selector in the list
+					groups = tokenize( selector );
+					i = groups.length;
+					while ( i-- ) {
+						groups[i] = "#" + nid + " " + toSelector( groups[i] );
+					}
+					newSelector = groups.join( "," );
+
+					// Expand context for sibling selectors
+					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
+						context;
+				}
+
+				try {
+					push.apply( results,
+						newContext.querySelectorAll( newSelector )
+					);
+					return results;
+				} catch ( qsaError ) {
+					nonnativeSelectorCache( selector, true );
+				} finally {
+					if ( nid === expando ) {
+						context.removeAttribute( "id" );
+					}
+				}
+			}
+		}
+	}
+
+	// All others
+	return select( selector.replace( rtrim, "$1" ), context, results, seed );
+}
+
+/**
+ * Create key-value caches of limited size
+ * @returns {function(string, object)} Returns the Object data after storing it on itself with
+ *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
+ *	deleting the oldest entry
+ */
+function createCache() {
+	var keys = [];
+
+	function cache( key, value ) {
+		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
+		if ( keys.push( key + " " ) > Expr.cacheLength ) {
+			// Only keep the most recent entries
+			delete cache[ keys.shift() ];
+		}
+		return (cache[ key + " " ] = value);
+	}
+	return cache;
+}
+
+/**
+ * Mark a function for special use by Sizzle
+ * @param {Function} fn The function to mark
+ */
+function markFunction( fn ) {
+	fn[ expando ] = true;
+	return fn;
+}
+
+/**
+ * Support testing using an element
+ * @param {Function} fn Passed the created element and returns a boolean result
+ */
+function assert( fn ) {
+	var el = document.createElement("fieldset");
+
+	try {
+		return !!fn( el );
+	} catch (e) {
+		return false;
+	} finally {
+		// Remove from its parent by default
+		if ( el.parentNode ) {
+			el.parentNode.removeChild( el );
+		}
+		// release memory in IE
+		el = null;
+	}
+}
+
+/**
+ * Adds the same handler for all of the specified attrs
+ * @param {String} attrs Pipe-separated list of attributes
+ * @param {Function} handler The method that will be applied
+ */
+function addHandle( attrs, handler ) {
+	var arr = attrs.split("|"),
+		i = arr.length;
+
+	while ( i-- ) {
+		Expr.attrHandle[ arr[i] ] = handler;
+	}
+}
+
+/**
+ * Checks document order of two siblings
+ * @param {Element} a
+ * @param {Element} b
+ * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
+ */
+function siblingCheck( a, b ) {
+	var cur = b && a,
+		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
+			a.sourceIndex - b.sourceIndex;
+
+	// Use IE sourceIndex if available on both nodes
+	if ( diff ) {
+		return diff;
+	}
+
+	// Check if b follows a
+	if ( cur ) {
+		while ( (cur = cur.nextSibling) ) {
+			if ( cur === b ) {
+				return -1;
+			}
+		}
+	}
+
+	return a ? 1 : -1;
+}
+
+/**
+ * Returns a function to use in pseudos for input types
+ * @param {String} type
+ */
+function createInputPseudo( type ) {
+	return function( elem ) {
+		var name = elem.nodeName.toLowerCase();
+		return name === "input" && elem.type === type;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for buttons
+ * @param {String} type
+ */
+function createButtonPseudo( type ) {
+	return function( elem ) {
+		var name = elem.nodeName.toLowerCase();
+		return (name === "input" || name === "button") && elem.type === type;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for :enabled/:disabled
+ * @param {Boolean} disabled true for :disabled; false for :enabled
+ */
+function createDisabledPseudo( disabled ) {
+
+	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
+	return function( elem ) {
+
+		// Only certain elements can match :enabled or :disabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
+		if ( "form" in elem ) {
+
+			// Check for inherited disabledness on relevant non-disabled elements:
+			// * listed form-associated elements in a disabled fieldset
+			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
+			// * option elements in a disabled optgroup
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
+			// All such elements have a "form" property.
+			if ( elem.parentNode && elem.disabled === false ) {
+
+				// Option elements defer to a parent optgroup if present
+				if ( "label" in elem ) {
+					if ( "label" in elem.parentNode ) {
+						return elem.parentNode.disabled === disabled;
+					} else {
+						return elem.disabled === disabled;
+					}
+				}
+
+				// Support: IE 6 - 11
+				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
+				return elem.isDisabled === disabled ||
+
+					// Where there is no isDisabled, check manually
+					/* jshint -W018 */
+					elem.isDisabled !== !disabled &&
+						inDisabledFieldset( elem ) === disabled;
+			}
+
+			return elem.disabled === disabled;
+
+		// Try to winnow out elements that can't be disabled before trusting the disabled property.
+		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
+		// even exist on them, let alone have a boolean value.
+		} else if ( "label" in elem ) {
+			return elem.disabled === disabled;
+		}
+
+		// Remaining elements are neither :enabled nor :disabled
+		return false;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for positionals
+ * @param {Function} fn
+ */
+function createPositionalPseudo( fn ) {
+	return markFunction(function( argument ) {
+		argument = +argument;
+		return markFunction(function( seed, matches ) {
+			var j,
+				matchIndexes = fn( [], seed.length, argument ),
+				i = matchIndexes.length;
+
+			// Match elements found at the specified indexes
+			while ( i-- ) {
+				if ( seed[ (j = matchIndexes[i]) ] ) {
+					seed[j] = !(matches[j] = seed[j]);
+				}
+			}
+		});
+	});
+}
+
+/**
+ * Checks a node for validity as a Sizzle context
+ * @param {Element|Object=} context
+ * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
+ */
+function testContext( context ) {
+	return context && typeof context.getElementsByTagName !== "undefined" && context;
+}
+
+// Expose support vars for convenience
+support = Sizzle.support = {};
+
+/**
+ * Detects XML nodes
+ * @param {Element|Object} elem An element or a document
+ * @returns {Boolean} True iff elem is a non-HTML XML node
+ */
+isXML = Sizzle.isXML = function( elem ) {
+	var namespace = elem.namespaceURI,
+		docElem = (elem.ownerDocument || elem).documentElement;
+
+	// Support: IE <=8
+	// Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
+	// https://bugs.jquery.com/ticket/4833
+	return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
+};
+
+/**
+ * Sets document-related variables once based on the current document
+ * @param {Element|Object} [doc] An element or document object to use to set the document
+ * @returns {Object} Returns the current document
+ */
+setDocument = Sizzle.setDocument = function( node ) {
+	var hasCompare, subWindow,
+		doc = node ? node.ownerDocument || node : preferredDoc;
+
+	// Return early if doc is invalid or already selected
+	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
+		return document;
+	}
+
+	// Update global variables
+	document = doc;
+	docElem = document.documentElement;
+	documentIsHTML = !isXML( document );
+
+	// Support: IE 9-11, Edge
+	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
+	if ( preferredDoc !== document &&
+		(subWindow = document.defaultView) && subWindow.top !== subWindow ) {
+
+		// Support: IE 11, Edge
+		if ( subWindow.addEventListener ) {
+			subWindow.addEventListener( "unload", unloadHandler, false );
+
+		// Support: IE 9 - 10 only
+		} else if ( subWindow.attachEvent ) {
+			subWindow.attachEvent( "onunload", unloadHandler );
+		}
+	}
+
+	/* Attributes
+	---------------------------------------------------------------------- */
+
+	// Support: IE<8
+	// Verify that getAttribute really returns attributes and not properties
+	// (excepting IE8 booleans)
+	support.attributes = assert(function( el ) {
+		el.className = "i";
+		return !el.getAttribute("className");
+	});
+
+	/* getElement(s)By*
+	---------------------------------------------------------------------- */
+
+	// Check if getElementsByTagName("*") returns only elements
+	support.getElementsByTagName = assert(function( el ) {
+		el.appendChild( document.createComment("") );
+		return !el.getElementsByTagName("*").length;
+	});
+
+	// Support: IE<9
+	support.getElementsByClassName = rnative.test( document.getElementsByClassName );
+
+	// Support: IE<10
+	// Check if getElementById returns elements by name
+	// The broken getElementById methods don't pick up programmatically-set names,
+	// so use a roundabout getElementsByName test
+	support.getById = assert(function( el ) {
+		docElem.appendChild( el ).id = expando;
+		return !document.getElementsByName || !document.getElementsByName( expando ).length;
+	});
+
+	// ID filter and find
+	if ( support.getById ) {
+		Expr.filter["ID"] = function( id ) {
+			var attrId = id.replace( runescape, funescape );
+			return function( elem ) {
+				return elem.getAttribute("id") === attrId;
+			};
+		};
+		Expr.find["ID"] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var elem = context.getElementById( id );
+				return elem ? [ elem ] : [];
+			}
+		};
+	} else {
+		Expr.filter["ID"] =  function( id ) {
+			var attrId = id.replace( runescape, funescape );
+			return function( elem ) {
+				var node = typeof elem.getAttributeNode !== "undefined" &&
+					elem.getAttributeNode("id");
+				return node && node.value === attrId;
+			};
+		};
+
+		// Support: IE 6 - 7 only
+		// getElementById is not reliable as a find shortcut
+		Expr.find["ID"] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var node, i, elems,
+					elem = context.getElementById( id );
+
+				if ( elem ) {
+
+					// Verify the id attribute
+					node = elem.getAttributeNode("id");
+					if ( node && node.value === id ) {
+						return [ elem ];
+					}
+
+					// Fall back on getElementsByName
+					elems = context.getElementsByName( id );
+					i = 0;
+					while ( (elem = elems[i++]) ) {
+						node = elem.getAttributeNode("id");
+						if ( node && node.value === id ) {
+							return [ elem ];
+						}
+					}
+				}
+
+				return [];
+			}
+		};
+	}
+
+	// Tag
+	Expr.find["TAG"] = support.getElementsByTagName ?
+		function( tag, context ) {
+			if ( typeof context.getElementsByTagName !== "undefined" ) {
+				return context.getElementsByTagName( tag );
+
+			// DocumentFragment nodes don't have gEBTN
+			} else if ( support.qsa ) {
+				return context.querySelectorAll( tag );
+			}
+		} :
+
+		function( tag, context ) {
+			var elem,
+				tmp = [],
+				i = 0,
+				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
+				results = context.getElementsByTagName( tag );
+
+			// Filter out possible comments
+			if ( tag === "*" ) {
+				while ( (elem = results[i++]) ) {
+					if ( elem.nodeType === 1 ) {
+						tmp.push( elem );
+					}
+				}
+
+				return tmp;
+			}
+			return results;
+		};
+
+	// Class
+	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
+		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
+			return context.getElementsByClassName( className );
+		}
+	};
+
+	/* QSA/matchesSelector
+	---------------------------------------------------------------------- */
+
+	// QSA and matchesSelector support
+
+	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
+	rbuggyMatches = [];
+
+	// qSa(:focus) reports false when true (Chrome 21)
+	// We allow this because of a bug in IE8/9 that throws an error
+	// whenever `document.activeElement` is accessed on an iframe
+	// So, we allow :focus to pass through QSA all the time to avoid the IE error
+	// See https://bugs.jquery.com/ticket/13378
+	rbuggyQSA = [];
+
+	if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
+		// Build QSA regex
+		// Regex strategy adopted from Diego Perini
+		assert(function( el ) {
+			// Select is set to empty string on purpose
+			// This is to test IE's treatment of not explicitly
+			// setting a boolean content attribute,
+			// since its presence should be enough
+			// https://bugs.jquery.com/ticket/12359
+			docElem.appendChild( el ).innerHTML = "" +
+				"";
+
+			// Support: IE8, Opera 11-12.16
+			// Nothing should be selected when empty strings follow ^= or $= or *=
+			// The test attribute must be unknown in Opera but "safe" for WinRT
+			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
+			if ( el.querySelectorAll("[msallowcapture^='']").length ) {
+				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
+			}
+
+			// Support: IE8
+			// Boolean attributes and "value" are not treated correctly
+			if ( !el.querySelectorAll("[selected]").length ) {
+				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
+			}
+
+			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
+			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
+				rbuggyQSA.push("~=");
+			}
+
+			// Webkit/Opera - :checked should return selected option elements
+			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
+			// IE8 throws error here and will not see later tests
+			if ( !el.querySelectorAll(":checked").length ) {
+				rbuggyQSA.push(":checked");
+			}
+
+			// Support: Safari 8+, iOS 8+
+			// https://bugs.webkit.org/show_bug.cgi?id=136851
+			// In-page `selector#id sibling-combinator selector` fails
+			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
+				rbuggyQSA.push(".#.+[+~]");
+			}
+		});
+
+		assert(function( el ) {
+			el.innerHTML = "" +
+				"";
+
+			// Support: Windows 8 Native Apps
+			// The type and name attributes are restricted during .innerHTML assignment
+			var input = document.createElement("input");
+			input.setAttribute( "type", "hidden" );
+			el.appendChild( input ).setAttribute( "name", "D" );
+
+			// Support: IE8
+			// Enforce case-sensitivity of name attribute
+			if ( el.querySelectorAll("[name=d]").length ) {
+				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
+			}
+
+			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
+			// IE8 throws error here and will not see later tests
+			if ( el.querySelectorAll(":enabled").length !== 2 ) {
+				rbuggyQSA.push( ":enabled", ":disabled" );
+			}
+
+			// Support: IE9-11+
+			// IE's :disabled selector does not pick up the children of disabled fieldsets
+			docElem.appendChild( el ).disabled = true;
+			if ( el.querySelectorAll(":disabled").length !== 2 ) {
+				rbuggyQSA.push( ":enabled", ":disabled" );
+			}
+
+			// Opera 10-11 does not throw on post-comma invalid pseudos
+			el.querySelectorAll("*,:x");
+			rbuggyQSA.push(",.*:");
+		});
+	}
+
+	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
+		docElem.webkitMatchesSelector ||
+		docElem.mozMatchesSelector ||
+		docElem.oMatchesSelector ||
+		docElem.msMatchesSelector) )) ) {
+
+		assert(function( el ) {
+			// Check to see if it's possible to do matchesSelector
+			// on a disconnected node (IE 9)
+			support.disconnectedMatch = matches.call( el, "*" );
+
+			// This should fail with an exception
+			// Gecko does not error, returns false instead
+			matches.call( el, "[s!='']:x" );
+			rbuggyMatches.push( "!=", pseudos );
+		});
+	}
+
+	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
+	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
+
+	/* Contains
+	---------------------------------------------------------------------- */
+	hasCompare = rnative.test( docElem.compareDocumentPosition );
+
+	// Element contains another
+	// Purposefully self-exclusive
+	// As in, an element does not contain itself
+	contains = hasCompare || rnative.test( docElem.contains ) ?
+		function( a, b ) {
+			var adown = a.nodeType === 9 ? a.documentElement : a,
+				bup = b && b.parentNode;
+			return a === bup || !!( bup && bup.nodeType === 1 && (
+				adown.contains ?
+					adown.contains( bup ) :
+					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
+			));
+		} :
+		function( a, b ) {
+			if ( b ) {
+				while ( (b = b.parentNode) ) {
+					if ( b === a ) {
+						return true;
+					}
+				}
+			}
+			return false;
+		};
+
+	/* Sorting
+	---------------------------------------------------------------------- */
+
+	// Document order sorting
+	sortOrder = hasCompare ?
+	function( a, b ) {
+
+		// Flag for duplicate removal
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+		}
+
+		// Sort on method existence if only one input has compareDocumentPosition
+		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
+		if ( compare ) {
+			return compare;
+		}
+
+		// Calculate position if both inputs belong to the same document
+		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
+			a.compareDocumentPosition( b ) :
+
+			// Otherwise we know they are disconnected
+			1;
+
+		// Disconnected nodes
+		if ( compare & 1 ||
+			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
+
+			// Choose the first element that is related to our preferred document
+			if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
+				return -1;
+			}
+			if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
+				return 1;
+			}
+
+			// Maintain original order
+			return sortInput ?
+				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
+				0;
+		}
+
+		return compare & 4 ? -1 : 1;
+	} :
+	function( a, b ) {
+		// Exit early if the nodes are identical
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+		}
+
+		var cur,
+			i = 0,
+			aup = a.parentNode,
+			bup = b.parentNode,
+			ap = [ a ],
+			bp = [ b ];
+
+		// Parentless nodes are either documents or disconnected
+		if ( !aup || !bup ) {
+			return a === document ? -1 :
+				b === document ? 1 :
+				aup ? -1 :
+				bup ? 1 :
+				sortInput ?
+				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
+				0;
+
+		// If the nodes are siblings, we can do a quick check
+		} else if ( aup === bup ) {
+			return siblingCheck( a, b );
+		}
+
+		// Otherwise we need full lists of their ancestors for comparison
+		cur = a;
+		while ( (cur = cur.parentNode) ) {
+			ap.unshift( cur );
+		}
+		cur = b;
+		while ( (cur = cur.parentNode) ) {
+			bp.unshift( cur );
+		}
+
+		// Walk down the tree looking for a discrepancy
+		while ( ap[i] === bp[i] ) {
+			i++;
+		}
+
+		return i ?
+			// Do a sibling check if the nodes have a common ancestor
+			siblingCheck( ap[i], bp[i] ) :
+
+			// Otherwise nodes in our document sort first
+			ap[i] === preferredDoc ? -1 :
+			bp[i] === preferredDoc ? 1 :
+			0;
+	};
+
+	return document;
+};
+
+Sizzle.matches = function( expr, elements ) {
+	return Sizzle( expr, null, null, elements );
+};
+
+Sizzle.matchesSelector = function( elem, expr ) {
+	// Set document vars if needed
+	if ( ( elem.ownerDocument || elem ) !== document ) {
+		setDocument( elem );
+	}
+
+	if ( support.matchesSelector && documentIsHTML &&
+		!nonnativeSelectorCache[ expr + " " ] &&
+		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
+		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
+
+		try {
+			var ret = matches.call( elem, expr );
+
+			// IE 9's matchesSelector returns false on disconnected nodes
+			if ( ret || support.disconnectedMatch ||
+					// As well, disconnected nodes are said to be in a document
+					// fragment in IE 9
+					elem.document && elem.document.nodeType !== 11 ) {
+				return ret;
+			}
+		} catch (e) {
+			nonnativeSelectorCache( expr, true );
+		}
+	}
+
+	return Sizzle( expr, document, null, [ elem ] ).length > 0;
+};
+
+Sizzle.contains = function( context, elem ) {
+	// Set document vars if needed
+	if ( ( context.ownerDocument || context ) !== document ) {
+		setDocument( context );
+	}
+	return contains( context, elem );
+};
+
+Sizzle.attr = function( elem, name ) {
+	// Set document vars if needed
+	if ( ( elem.ownerDocument || elem ) !== document ) {
+		setDocument( elem );
+	}
+
+	var fn = Expr.attrHandle[ name.toLowerCase() ],
+		// Don't get fooled by Object.prototype properties (jQuery #13807)
+		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
+			fn( elem, name, !documentIsHTML ) :
+			undefined;
+
+	return val !== undefined ?
+		val :
+		support.attributes || !documentIsHTML ?
+			elem.getAttribute( name ) :
+			(val = elem.getAttributeNode(name)) && val.specified ?
+				val.value :
+				null;
+};
+
+Sizzle.escape = function( sel ) {
+	return (sel + "").replace( rcssescape, fcssescape );
+};
+
+Sizzle.error = function( msg ) {
+	throw new Error( "Syntax error, unrecognized expression: " + msg );
+};
+
+/**
+ * Document sorting and removing duplicates
+ * @param {ArrayLike} results
+ */
+Sizzle.uniqueSort = function( results ) {
+	var elem,
+		duplicates = [],
+		j = 0,
+		i = 0;
+
+	// Unless we *know* we can detect duplicates, assume their presence
+	hasDuplicate = !support.detectDuplicates;
+	sortInput = !support.sortStable && results.slice( 0 );
+	results.sort( sortOrder );
+
+	if ( hasDuplicate ) {
+		while ( (elem = results[i++]) ) {
+			if ( elem === results[ i ] ) {
+				j = duplicates.push( i );
+			}
+		}
+		while ( j-- ) {
+			results.splice( duplicates[ j ], 1 );
+		}
+	}
+
+	// Clear input after sorting to release objects
+	// See https://github.com/jquery/sizzle/pull/225
+	sortInput = null;
+
+	return results;
+};
+
+/**
+ * Utility function for retrieving the text value of an array of DOM nodes
+ * @param {Array|Element} elem
+ */
+getText = Sizzle.getText = function( elem ) {
+	var node,
+		ret = "",
+		i = 0,
+		nodeType = elem.nodeType;
+
+	if ( !nodeType ) {
+		// If no nodeType, this is expected to be an array
+		while ( (node = elem[i++]) ) {
+			// Do not traverse comment nodes
+			ret += getText( node );
+		}
+	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
+		// Use textContent for elements
+		// innerText usage removed for consistency of new lines (jQuery #11153)
+		if ( typeof elem.textContent === "string" ) {
+			return elem.textContent;
+		} else {
+			// Traverse its children
+			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
+				ret += getText( elem );
+			}
+		}
+	} else if ( nodeType === 3 || nodeType === 4 ) {
+		return elem.nodeValue;
+	}
+	// Do not include comment or processing instruction nodes
+
+	return ret;
+};
+
+Expr = Sizzle.selectors = {
+
+	// Can be adjusted by the user
+	cacheLength: 50,
+
+	createPseudo: markFunction,
+
+	match: matchExpr,
+
+	attrHandle: {},
+
+	find: {},
+
+	relative: {
+		">": { dir: "parentNode", first: true },
+		" ": { dir: "parentNode" },
+		"+": { dir: "previousSibling", first: true },
+		"~": { dir: "previousSibling" }
+	},
+
+	preFilter: {
+		"ATTR": function( match ) {
+			match[1] = match[1].replace( runescape, funescape );
+
+			// Move the given value to match[3] whether quoted or unquoted
+			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
+
+			if ( match[2] === "~=" ) {
+				match[3] = " " + match[3] + " ";
+			}
+
+			return match.slice( 0, 4 );
+		},
+
+		"CHILD": function( match ) {
+			/* matches from matchExpr["CHILD"]
+				1 type (only|nth|...)
+				2 what (child|of-type)
+				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
+				4 xn-component of xn+y argument ([+-]?\d*n|)
+				5 sign of xn-component
+				6 x of xn-component
+				7 sign of y-component
+				8 y of y-component
+			*/
+			match[1] = match[1].toLowerCase();
+
+			if ( match[1].slice( 0, 3 ) === "nth" ) {
+				// nth-* requires argument
+				if ( !match[3] ) {
+					Sizzle.error( match[0] );
+				}
+
+				// numeric x and y parameters for Expr.filter.CHILD
+				// remember that false/true cast respectively to 0/1
+				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
+				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
+
+			// other types prohibit arguments
+			} else if ( match[3] ) {
+				Sizzle.error( match[0] );
+			}
+
+			return match;
+		},
+
+		"PSEUDO": function( match ) {
+			var excess,
+				unquoted = !match[6] && match[2];
+
+			if ( matchExpr["CHILD"].test( match[0] ) ) {
+				return null;
+			}
+
+			// Accept quoted arguments as-is
+			if ( match[3] ) {
+				match[2] = match[4] || match[5] || "";
+
+			// Strip excess characters from unquoted arguments
+			} else if ( unquoted && rpseudo.test( unquoted ) &&
+				// Get excess from tokenize (recursively)
+				(excess = tokenize( unquoted, true )) &&
+				// advance to the next closing parenthesis
+				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
+
+				// excess is a negative index
+				match[0] = match[0].slice( 0, excess );
+				match[2] = unquoted.slice( 0, excess );
+			}
+
+			// Return only captures needed by the pseudo filter method (type and argument)
+			return match.slice( 0, 3 );
+		}
+	},
+
+	filter: {
+
+		"TAG": function( nodeNameSelector ) {
+			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
+			return nodeNameSelector === "*" ?
+				function() { return true; } :
+				function( elem ) {
+					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
+				};
+		},
+
+		"CLASS": function( className ) {
+			var pattern = classCache[ className + " " ];
+
+			return pattern ||
+				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
+				classCache( className, function( elem ) {
+					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
+				});
+		},
+
+		"ATTR": function( name, operator, check ) {
+			return function( elem ) {
+				var result = Sizzle.attr( elem, name );
+
+				if ( result == null ) {
+					return operator === "!=";
+				}
+				if ( !operator ) {
+					return true;
+				}
+
+				result += "";
+
+				return operator === "=" ? result === check :
+					operator === "!=" ? result !== check :
+					operator === "^=" ? check && result.indexOf( check ) === 0 :
+					operator === "*=" ? check && result.indexOf( check ) > -1 :
+					operator === "$=" ? check && result.slice( -check.length ) === check :
+					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
+					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
+					false;
+			};
+		},
+
+		"CHILD": function( type, what, argument, first, last ) {
+			var simple = type.slice( 0, 3 ) !== "nth",
+				forward = type.slice( -4 ) !== "last",
+				ofType = what === "of-type";
+
+			return first === 1 && last === 0 ?
+
+				// Shortcut for :nth-*(n)
+				function( elem ) {
+					return !!elem.parentNode;
+				} :
+
+				function( elem, context, xml ) {
+					var cache, uniqueCache, outerCache, node, nodeIndex, start,
+						dir = simple !== forward ? "nextSibling" : "previousSibling",
+						parent = elem.parentNode,
+						name = ofType && elem.nodeName.toLowerCase(),
+						useCache = !xml && !ofType,
+						diff = false;
+
+					if ( parent ) {
+
+						// :(first|last|only)-(child|of-type)
+						if ( simple ) {
+							while ( dir ) {
+								node = elem;
+								while ( (node = node[ dir ]) ) {
+									if ( ofType ?
+										node.nodeName.toLowerCase() === name :
+										node.nodeType === 1 ) {
+
+										return false;
+									}
+								}
+								// Reverse direction for :only-* (if we haven't yet done so)
+								start = dir = type === "only" && !start && "nextSibling";
+							}
+							return true;
+						}
+
+						start = [ forward ? parent.firstChild : parent.lastChild ];
+
+						// non-xml :nth-child(...) stores cache data on `parent`
+						if ( forward && useCache ) {
+
+							// Seek `elem` from a previously-cached index
+
+							// ...in a gzip-friendly way
+							node = parent;
+							outerCache = node[ expando ] || (node[ expando ] = {});
+
+							// Support: IE <9 only
+							// Defend against cloned attroperties (jQuery gh-1709)
+							uniqueCache = outerCache[ node.uniqueID ] ||
+								(outerCache[ node.uniqueID ] = {});
+
+							cache = uniqueCache[ type ] || [];
+							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
+							diff = nodeIndex && cache[ 2 ];
+							node = nodeIndex && parent.childNodes[ nodeIndex ];
+
+							while ( (node = ++nodeIndex && node && node[ dir ] ||
+
+								// Fallback to seeking `elem` from the start
+								(diff = nodeIndex = 0) || start.pop()) ) {
+
+								// When found, cache indexes on `parent` and break
+								if ( node.nodeType === 1 && ++diff && node === elem ) {
+									uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
+									break;
+								}
+							}
+
+						} else {
+							// Use previously-cached element index if available
+							if ( useCache ) {
+								// ...in a gzip-friendly way
+								node = elem;
+								outerCache = node[ expando ] || (node[ expando ] = {});
+
+								// Support: IE <9 only
+								// Defend against cloned attroperties (jQuery gh-1709)
+								uniqueCache = outerCache[ node.uniqueID ] ||
+									(outerCache[ node.uniqueID ] = {});
+
+								cache = uniqueCache[ type ] || [];
+								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
+								diff = nodeIndex;
+							}
+
+							// xml :nth-child(...)
+							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
+							if ( diff === false ) {
+								// Use the same loop as above to seek `elem` from the start
+								while ( (node = ++nodeIndex && node && node[ dir ] ||
+									(diff = nodeIndex = 0) || start.pop()) ) {
+
+									if ( ( ofType ?
+										node.nodeName.toLowerCase() === name :
+										node.nodeType === 1 ) &&
+										++diff ) {
+
+										// Cache the index of each encountered element
+										if ( useCache ) {
+											outerCache = node[ expando ] || (node[ expando ] = {});
+
+											// Support: IE <9 only
+											// Defend against cloned attroperties (jQuery gh-1709)
+											uniqueCache = outerCache[ node.uniqueID ] ||
+												(outerCache[ node.uniqueID ] = {});
+
+											uniqueCache[ type ] = [ dirruns, diff ];
+										}
+
+										if ( node === elem ) {
+											break;
+										}
+									}
+								}
+							}
+						}
+
+						// Incorporate the offset, then check against cycle size
+						diff -= last;
+						return diff === first || ( diff % first === 0 && diff / first >= 0 );
+					}
+				};
+		},
+
+		"PSEUDO": function( pseudo, argument ) {
+			// pseudo-class names are case-insensitive
+			// http://www.w3.org/TR/selectors/#pseudo-classes
+			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
+			// Remember that setFilters inherits from pseudos
+			var args,
+				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
+					Sizzle.error( "unsupported pseudo: " + pseudo );
+
+			// The user may use createPseudo to indicate that
+			// arguments are needed to create the filter function
+			// just as Sizzle does
+			if ( fn[ expando ] ) {
+				return fn( argument );
+			}
+
+			// But maintain support for old signatures
+			if ( fn.length > 1 ) {
+				args = [ pseudo, pseudo, "", argument ];
+				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
+					markFunction(function( seed, matches ) {
+						var idx,
+							matched = fn( seed, argument ),
+							i = matched.length;
+						while ( i-- ) {
+							idx = indexOf( seed, matched[i] );
+							seed[ idx ] = !( matches[ idx ] = matched[i] );
+						}
+					}) :
+					function( elem ) {
+						return fn( elem, 0, args );
+					};
+			}
+
+			return fn;
+		}
+	},
+
+	pseudos: {
+		// Potentially complex pseudos
+		"not": markFunction(function( selector ) {
+			// Trim the selector passed to compile
+			// to avoid treating leading and trailing
+			// spaces as combinators
+			var input = [],
+				results = [],
+				matcher = compile( selector.replace( rtrim, "$1" ) );
+
+			return matcher[ expando ] ?
+				markFunction(function( seed, matches, context, xml ) {
+					var elem,
+						unmatched = matcher( seed, null, xml, [] ),
+						i = seed.length;
+
+					// Match elements unmatched by `matcher`
+					while ( i-- ) {
+						if ( (elem = unmatched[i]) ) {
+							seed[i] = !(matches[i] = elem);
+						}
+					}
+				}) :
+				function( elem, context, xml ) {
+					input[0] = elem;
+					matcher( input, null, xml, results );
+					// Don't keep the element (issue #299)
+					input[0] = null;
+					return !results.pop();
+				};
+		}),
+
+		"has": markFunction(function( selector ) {
+			return function( elem ) {
+				return Sizzle( selector, elem ).length > 0;
+			};
+		}),
+
+		"contains": markFunction(function( text ) {
+			text = text.replace( runescape, funescape );
+			return function( elem ) {
+				return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
+			};
+		}),
+
+		// "Whether an element is represented by a :lang() selector
+		// is based solely on the element's language value
+		// being equal to the identifier C,
+		// or beginning with the identifier C immediately followed by "-".
+		// The matching of C against the element's language value is performed case-insensitively.
+		// The identifier C does not have to be a valid language name."
+		// http://www.w3.org/TR/selectors/#lang-pseudo
+		"lang": markFunction( function( lang ) {
+			// lang value must be a valid identifier
+			if ( !ridentifier.test(lang || "") ) {
+				Sizzle.error( "unsupported lang: " + lang );
+			}
+			lang = lang.replace( runescape, funescape ).toLowerCase();
+			return function( elem ) {
+				var elemLang;
+				do {
+					if ( (elemLang = documentIsHTML ?
+						elem.lang :
+						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
+
+						elemLang = elemLang.toLowerCase();
+						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
+					}
+				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
+				return false;
+			};
+		}),
+
+		// Miscellaneous
+		"target": function( elem ) {
+			var hash = window.location && window.location.hash;
+			return hash && hash.slice( 1 ) === elem.id;
+		},
+
+		"root": function( elem ) {
+			return elem === docElem;
+		},
+
+		"focus": function( elem ) {
+			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
+		},
+
+		// Boolean properties
+		"enabled": createDisabledPseudo( false ),
+		"disabled": createDisabledPseudo( true ),
+
+		"checked": function( elem ) {
+			// In CSS3, :checked should return both checked and selected elements
+			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
+			var nodeName = elem.nodeName.toLowerCase();
+			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
+		},
+
+		"selected": function( elem ) {
+			// Accessing this property makes selected-by-default
+			// options in Safari work properly
+			if ( elem.parentNode ) {
+				elem.parentNode.selectedIndex;
+			}
+
+			return elem.selected === true;
+		},
+
+		// Contents
+		"empty": function( elem ) {
+			// http://www.w3.org/TR/selectors/#empty-pseudo
+			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
+			//   but not by others (comment: 8; processing instruction: 7; etc.)
+			// nodeType < 6 works because attributes (2) do not appear as children
+			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
+				if ( elem.nodeType < 6 ) {
+					return false;
+				}
+			}
+			return true;
+		},
+
+		"parent": function( elem ) {
+			return !Expr.pseudos["empty"]( elem );
+		},
+
+		// Element/input types
+		"header": function( elem ) {
+			return rheader.test( elem.nodeName );
+		},
+
+		"input": function( elem ) {
+			return rinputs.test( elem.nodeName );
+		},
+
+		"button": function( elem ) {
+			var name = elem.nodeName.toLowerCase();
+			return name === "input" && elem.type === "button" || name === "button";
+		},
+
+		"text": function( elem ) {
+			var attr;
+			return elem.nodeName.toLowerCase() === "input" &&
+				elem.type === "text" &&
+
+				// Support: IE<8
+				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
+				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
+		},
+
+		// Position-in-collection
+		"first": createPositionalPseudo(function() {
+			return [ 0 ];
+		}),
+
+		"last": createPositionalPseudo(function( matchIndexes, length ) {
+			return [ length - 1 ];
+		}),
+
+		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			return [ argument < 0 ? argument + length : argument ];
+		}),
+
+		"even": createPositionalPseudo(function( matchIndexes, length ) {
+			var i = 0;
+			for ( ; i < length; i += 2 ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"odd": createPositionalPseudo(function( matchIndexes, length ) {
+			var i = 1;
+			for ( ; i < length; i += 2 ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			var i = argument < 0 ?
+				argument + length :
+				argument > length ?
+					length :
+					argument;
+			for ( ; --i >= 0; ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			var i = argument < 0 ? argument + length : argument;
+			for ( ; ++i < length; ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		})
+	}
+};
+
+Expr.pseudos["nth"] = Expr.pseudos["eq"];
+
+// Add button/input type pseudos
+for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
+	Expr.pseudos[ i ] = createInputPseudo( i );
+}
+for ( i in { submit: true, reset: true } ) {
+	Expr.pseudos[ i ] = createButtonPseudo( i );
+}
+
+// Easy API for creating new setFilters
+function setFilters() {}
+setFilters.prototype = Expr.filters = Expr.pseudos;
+Expr.setFilters = new setFilters();
+
+tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
+	var matched, match, tokens, type,
+		soFar, groups, preFilters,
+		cached = tokenCache[ selector + " " ];
+
+	if ( cached ) {
+		return parseOnly ? 0 : cached.slice( 0 );
+	}
+
+	soFar = selector;
+	groups = [];
+	preFilters = Expr.preFilter;
+
+	while ( soFar ) {
+
+		// Comma and first run
+		if ( !matched || (match = rcomma.exec( soFar )) ) {
+			if ( match ) {
+				// Don't consume trailing commas as valid
+				soFar = soFar.slice( match[0].length ) || soFar;
+			}
+			groups.push( (tokens = []) );
+		}
+
+		matched = false;
+
+		// Combinators
+		if ( (match = rcombinators.exec( soFar )) ) {
+			matched = match.shift();
+			tokens.push({
+				value: matched,
+				// Cast descendant combinators to space
+				type: match[0].replace( rtrim, " " )
+			});
+			soFar = soFar.slice( matched.length );
+		}
+
+		// Filters
+		for ( type in Expr.filter ) {
+			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
+				(match = preFilters[ type ]( match ))) ) {
+				matched = match.shift();
+				tokens.push({
+					value: matched,
+					type: type,
+					matches: match
+				});
+				soFar = soFar.slice( matched.length );
+			}
+		}
+
+		if ( !matched ) {
+			break;
+		}
+	}
+
+	// Return the length of the invalid excess
+	// if we're just parsing
+	// Otherwise, throw an error or return tokens
+	return parseOnly ?
+		soFar.length :
+		soFar ?
+			Sizzle.error( selector ) :
+			// Cache the tokens
+			tokenCache( selector, groups ).slice( 0 );
+};
+
+function toSelector( tokens ) {
+	var i = 0,
+		len = tokens.length,
+		selector = "";
+	for ( ; i < len; i++ ) {
+		selector += tokens[i].value;
+	}
+	return selector;
+}
+
+function addCombinator( matcher, combinator, base ) {
+	var dir = combinator.dir,
+		skip = combinator.next,
+		key = skip || dir,
+		checkNonElements = base && key === "parentNode",
+		doneName = done++;
+
+	return combinator.first ?
+		// Check against closest ancestor/preceding element
+		function( elem, context, xml ) {
+			while ( (elem = elem[ dir ]) ) {
+				if ( elem.nodeType === 1 || checkNonElements ) {
+					return matcher( elem, context, xml );
+				}
+			}
+			return false;
+		} :
+
+		// Check against all ancestor/preceding elements
+		function( elem, context, xml ) {
+			var oldCache, uniqueCache, outerCache,
+				newCache = [ dirruns, doneName ];
+
+			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
+			if ( xml ) {
+				while ( (elem = elem[ dir ]) ) {
+					if ( elem.nodeType === 1 || checkNonElements ) {
+						if ( matcher( elem, context, xml ) ) {
+							return true;
+						}
+					}
+				}
+			} else {
+				while ( (elem = elem[ dir ]) ) {
+					if ( elem.nodeType === 1 || checkNonElements ) {
+						outerCache = elem[ expando ] || (elem[ expando ] = {});
+
+						// Support: IE <9 only
+						// Defend against cloned attroperties (jQuery gh-1709)
+						uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
+
+						if ( skip && skip === elem.nodeName.toLowerCase() ) {
+							elem = elem[ dir ] || elem;
+						} else if ( (oldCache = uniqueCache[ key ]) &&
+							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
+
+							// Assign to newCache so results back-propagate to previous elements
+							return (newCache[ 2 ] = oldCache[ 2 ]);
+						} else {
+							// Reuse newcache so results back-propagate to previous elements
+							uniqueCache[ key ] = newCache;
+
+							// A match means we're done; a fail means we have to keep checking
+							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
+								return true;
+							}
+						}
+					}
+				}
+			}
+			return false;
+		};
+}
+
+function elementMatcher( matchers ) {
+	return matchers.length > 1 ?
+		function( elem, context, xml ) {
+			var i = matchers.length;
+			while ( i-- ) {
+				if ( !matchers[i]( elem, context, xml ) ) {
+					return false;
+				}
+			}
+			return true;
+		} :
+		matchers[0];
+}
+
+function multipleContexts( selector, contexts, results ) {
+	var i = 0,
+		len = contexts.length;
+	for ( ; i < len; i++ ) {
+		Sizzle( selector, contexts[i], results );
+	}
+	return results;
+}
+
+function condense( unmatched, map, filter, context, xml ) {
+	var elem,
+		newUnmatched = [],
+		i = 0,
+		len = unmatched.length,
+		mapped = map != null;
+
+	for ( ; i < len; i++ ) {
+		if ( (elem = unmatched[i]) ) {
+			if ( !filter || filter( elem, context, xml ) ) {
+				newUnmatched.push( elem );
+				if ( mapped ) {
+					map.push( i );
+				}
+			}
+		}
+	}
+
+	return newUnmatched;
+}
+
+function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
+	if ( postFilter && !postFilter[ expando ] ) {
+		postFilter = setMatcher( postFilter );
+	}
+	if ( postFinder && !postFinder[ expando ] ) {
+		postFinder = setMatcher( postFinder, postSelector );
+	}
+	return markFunction(function( seed, results, context, xml ) {
+		var temp, i, elem,
+			preMap = [],
+			postMap = [],
+			preexisting = results.length,
+
+			// Get initial elements from seed or context
+			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
+
+			// Prefilter to get matcher input, preserving a map for seed-results synchronization
+			matcherIn = preFilter && ( seed || !selector ) ?
+				condense( elems, preMap, preFilter, context, xml ) :
+				elems,
+
+			matcherOut = matcher ?
+				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
+				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
+
+					// ...intermediate processing is necessary
+					[] :
+
+					// ...otherwise use results directly
+					results :
+				matcherIn;
+
+		// Find primary matches
+		if ( matcher ) {
+			matcher( matcherIn, matcherOut, context, xml );
+		}
+
+		// Apply postFilter
+		if ( postFilter ) {
+			temp = condense( matcherOut, postMap );
+			postFilter( temp, [], context, xml );
+
+			// Un-match failing elements by moving them back to matcherIn
+			i = temp.length;
+			while ( i-- ) {
+				if ( (elem = temp[i]) ) {
+					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
+				}
+			}
+		}
+
+		if ( seed ) {
+			if ( postFinder || preFilter ) {
+				if ( postFinder ) {
+					// Get the final matcherOut by condensing this intermediate into postFinder contexts
+					temp = [];
+					i = matcherOut.length;
+					while ( i-- ) {
+						if ( (elem = matcherOut[i]) ) {
+							// Restore matcherIn since elem is not yet a final match
+							temp.push( (matcherIn[i] = elem) );
+						}
+					}
+					postFinder( null, (matcherOut = []), temp, xml );
+				}
+
+				// Move matched elements from seed to results to keep them synchronized
+				i = matcherOut.length;
+				while ( i-- ) {
+					if ( (elem = matcherOut[i]) &&
+						(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
+
+						seed[temp] = !(results[temp] = elem);
+					}
+				}
+			}
+
+		// Add elements to results, through postFinder if defined
+		} else {
+			matcherOut = condense(
+				matcherOut === results ?
+					matcherOut.splice( preexisting, matcherOut.length ) :
+					matcherOut
+			);
+			if ( postFinder ) {
+				postFinder( null, results, matcherOut, xml );
+			} else {
+				push.apply( results, matcherOut );
+			}
+		}
+	});
+}
+
+function matcherFromTokens( tokens ) {
+	var checkContext, matcher, j,
+		len = tokens.length,
+		leadingRelative = Expr.relative[ tokens[0].type ],
+		implicitRelative = leadingRelative || Expr.relative[" "],
+		i = leadingRelative ? 1 : 0,
+
+		// The foundational matcher ensures that elements are reachable from top-level context(s)
+		matchContext = addCombinator( function( elem ) {
+			return elem === checkContext;
+		}, implicitRelative, true ),
+		matchAnyContext = addCombinator( function( elem ) {
+			return indexOf( checkContext, elem ) > -1;
+		}, implicitRelative, true ),
+		matchers = [ function( elem, context, xml ) {
+			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
+				(checkContext = context).nodeType ?
+					matchContext( elem, context, xml ) :
+					matchAnyContext( elem, context, xml ) );
+			// Avoid hanging onto element (issue #299)
+			checkContext = null;
+			return ret;
+		} ];
+
+	for ( ; i < len; i++ ) {
+		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
+			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
+		} else {
+			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
+
+			// Return special upon seeing a positional matcher
+			if ( matcher[ expando ] ) {
+				// Find the next relative operator (if any) for proper handling
+				j = ++i;
+				for ( ; j < len; j++ ) {
+					if ( Expr.relative[ tokens[j].type ] ) {
+						break;
+					}
+				}
+				return setMatcher(
+					i > 1 && elementMatcher( matchers ),
+					i > 1 && toSelector(
+						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
+						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
+					).replace( rtrim, "$1" ),
+					matcher,
+					i < j && matcherFromTokens( tokens.slice( i, j ) ),
+					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
+					j < len && toSelector( tokens )
+				);
+			}
+			matchers.push( matcher );
+		}
+	}
+
+	return elementMatcher( matchers );
+}
+
+function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
+	var bySet = setMatchers.length > 0,
+		byElement = elementMatchers.length > 0,
+		superMatcher = function( seed, context, xml, results, outermost ) {
+			var elem, j, matcher,
+				matchedCount = 0,
+				i = "0",
+				unmatched = seed && [],
+				setMatched = [],
+				contextBackup = outermostContext,
+				// We must always have either seed elements or outermost context
+				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
+				// Use integer dirruns iff this is the outermost matcher
+				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
+				len = elems.length;
+
+			if ( outermost ) {
+				outermostContext = context === document || context || outermost;
+			}
+
+			// Add elements passing elementMatchers directly to results
+			// Support: IE<9, Safari
+			// Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id
+			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
+				if ( byElement && elem ) {
+					j = 0;
+					if ( !context && elem.ownerDocument !== document ) {
+						setDocument( elem );
+						xml = !documentIsHTML;
+					}
+					while ( (matcher = elementMatchers[j++]) ) {
+						if ( matcher( elem, context || document, xml) ) {
+							results.push( elem );
+							break;
+						}
+					}
+					if ( outermost ) {
+						dirruns = dirrunsUnique;
+					}
+				}
+
+				// Track unmatched elements for set filters
+				if ( bySet ) {
+					// They will have gone through all possible matchers
+					if ( (elem = !matcher && elem) ) {
+						matchedCount--;
+					}
+
+					// Lengthen the array for every element, matched or not
+					if ( seed ) {
+						unmatched.push( elem );
+					}
+				}
+			}
+
+			// `i` is now the count of elements visited above, and adding it to `matchedCount`
+			// makes the latter nonnegative.
+			matchedCount += i;
+
+			// Apply set filters to unmatched elements
+			// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
+			// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
+			// no element matchers and no seed.
+			// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
+			// case, which will result in a "00" `matchedCount` that differs from `i` but is also
+			// numerically zero.
+			if ( bySet && i !== matchedCount ) {
+				j = 0;
+				while ( (matcher = setMatchers[j++]) ) {
+					matcher( unmatched, setMatched, context, xml );
+				}
+
+				if ( seed ) {
+					// Reintegrate element matches to eliminate the need for sorting
+					if ( matchedCount > 0 ) {
+						while ( i-- ) {
+							if ( !(unmatched[i] || setMatched[i]) ) {
+								setMatched[i] = pop.call( results );
+							}
+						}
+					}
+
+					// Discard index placeholder values to get only actual matches
+					setMatched = condense( setMatched );
+				}
+
+				// Add matches to results
+				push.apply( results, setMatched );
+
+				// Seedless set matches succeeding multiple successful matchers stipulate sorting
+				if ( outermost && !seed && setMatched.length > 0 &&
+					( matchedCount + setMatchers.length ) > 1 ) {
+
+					Sizzle.uniqueSort( results );
+				}
+			}
+
+			// Override manipulation of globals by nested matchers
+			if ( outermost ) {
+				dirruns = dirrunsUnique;
+				outermostContext = contextBackup;
+			}
+
+			return unmatched;
+		};
+
+	return bySet ?
+		markFunction( superMatcher ) :
+		superMatcher;
+}
+
+compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
+	var i,
+		setMatchers = [],
+		elementMatchers = [],
+		cached = compilerCache[ selector + " " ];
+
+	if ( !cached ) {
+		// Generate a function of recursive functions that can be used to check each element
+		if ( !match ) {
+			match = tokenize( selector );
+		}
+		i = match.length;
+		while ( i-- ) {
+			cached = matcherFromTokens( match[i] );
+			if ( cached[ expando ] ) {
+				setMatchers.push( cached );
+			} else {
+				elementMatchers.push( cached );
+			}
+		}
+
+		// Cache the compiled function
+		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
+
+		// Save selector and tokenization
+		cached.selector = selector;
+	}
+	return cached;
+};
+
+/**
+ * A low-level selection function that works with Sizzle's compiled
+ *  selector functions
+ * @param {String|Function} selector A selector or a pre-compiled
+ *  selector function built with Sizzle.compile
+ * @param {Element} context
+ * @param {Array} [results]
+ * @param {Array} [seed] A set of elements to match against
+ */
+select = Sizzle.select = function( selector, context, results, seed ) {
+	var i, tokens, token, type, find,
+		compiled = typeof selector === "function" && selector,
+		match = !seed && tokenize( (selector = compiled.selector || selector) );
+
+	results = results || [];
+
+	// Try to minimize operations if there is only one selector in the list and no seed
+	// (the latter of which guarantees us context)
+	if ( match.length === 1 ) {
+
+		// Reduce context if the leading compound selector is an ID
+		tokens = match[0] = match[0].slice( 0 );
+		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
+				context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
+
+			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
+			if ( !context ) {
+				return results;
+
+			// Precompiled matchers will still verify ancestry, so step up a level
+			} else if ( compiled ) {
+				context = context.parentNode;
+			}
+
+			selector = selector.slice( tokens.shift().value.length );
+		}
+
+		// Fetch a seed set for right-to-left matching
+		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
+		while ( i-- ) {
+			token = tokens[i];
+
+			// Abort if we hit a combinator
+			if ( Expr.relative[ (type = token.type) ] ) {
+				break;
+			}
+			if ( (find = Expr.find[ type ]) ) {
+				// Search, expanding context for leading sibling combinators
+				if ( (seed = find(
+					token.matches[0].replace( runescape, funescape ),
+					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
+				)) ) {
+
+					// If seed is empty or no tokens remain, we can return early
+					tokens.splice( i, 1 );
+					selector = seed.length && toSelector( tokens );
+					if ( !selector ) {
+						push.apply( results, seed );
+						return results;
+					}
+
+					break;
+				}
+			}
+		}
+	}
+
+	// Compile and execute a filtering function if one is not provided
+	// Provide `match` to avoid retokenization if we modified the selector above
+	( compiled || compile( selector, match ) )(
+		seed,
+		context,
+		!documentIsHTML,
+		results,
+		!context || rsibling.test( selector ) && testContext( context.parentNode ) || context
+	);
+	return results;
+};
+
+// One-time assignments
+
+// Sort stability
+support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
+
+// Support: Chrome 14-35+
+// Always assume duplicates if they aren't passed to the comparison function
+support.detectDuplicates = !!hasDuplicate;
+
+// Initialize against the default document
+setDocument();
+
+// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
+// Detached nodes confoundingly follow *each other*
+support.sortDetached = assert(function( el ) {
+	// Should return 1, but returns 4 (following)
+	return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
+});
+
+// Support: IE<8
+// Prevent attribute/property "interpolation"
+// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
+if ( !assert(function( el ) {
+	el.innerHTML = "";
+	return el.firstChild.getAttribute("href") === "#" ;
+}) ) {
+	addHandle( "type|href|height|width", function( elem, name, isXML ) {
+		if ( !isXML ) {
+			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
+		}
+	});
+}
+
+// Support: IE<9
+// Use defaultValue in place of getAttribute("value")
+if ( !support.attributes || !assert(function( el ) {
+	el.innerHTML = "";
+	el.firstChild.setAttribute( "value", "" );
+	return el.firstChild.getAttribute( "value" ) === "";
+}) ) {
+	addHandle( "value", function( elem, name, isXML ) {
+		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
+			return elem.defaultValue;
+		}
+	});
+}
+
+// Support: IE<9
+// Use getAttributeNode to fetch booleans when getAttribute lies
+if ( !assert(function( el ) {
+	return el.getAttribute("disabled") == null;
+}) ) {
+	addHandle( booleans, function( elem, name, isXML ) {
+		var val;
+		if ( !isXML ) {
+			return elem[ name ] === true ? name.toLowerCase() :
+					(val = elem.getAttributeNode( name )) && val.specified ?
+					val.value :
+				null;
+		}
+	});
+}
+
+return Sizzle;
+
+})( window );
+
+
+
+jQuery.find = Sizzle;
+jQuery.expr = Sizzle.selectors;
+
+// Deprecated
+jQuery.expr[ ":" ] = jQuery.expr.pseudos;
+jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
+jQuery.text = Sizzle.getText;
+jQuery.isXMLDoc = Sizzle.isXML;
+jQuery.contains = Sizzle.contains;
+jQuery.escapeSelector = Sizzle.escape;
+
+
+
+
+var dir = function( elem, dir, until ) {
+	var matched = [],
+		truncate = until !== undefined;
+
+	while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
+		if ( elem.nodeType === 1 ) {
+			if ( truncate && jQuery( elem ).is( until ) ) {
+				break;
+			}
+			matched.push( elem );
+		}
+	}
+	return matched;
+};
+
+
+var siblings = function( n, elem ) {
+	var matched = [];
+
+	for ( ; n; n = n.nextSibling ) {
+		if ( n.nodeType === 1 && n !== elem ) {
+			matched.push( n );
+		}
+	}
+
+	return matched;
+};
+
+
+var rneedsContext = jQuery.expr.match.needsContext;
+
+
+
+function nodeName( elem, name ) {
+
+  return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
+
+};
+var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
+
+
+
+// Implement the identical functionality for filter and not
+function winnow( elements, qualifier, not ) {
+	if ( isFunction( qualifier ) ) {
+		return jQuery.grep( elements, function( elem, i ) {
+			return !!qualifier.call( elem, i, elem ) !== not;
+		} );
+	}
+
+	// Single element
+	if ( qualifier.nodeType ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( elem === qualifier ) !== not;
+		} );
+	}
+
+	// Arraylike of elements (jQuery, arguments, Array)
+	if ( typeof qualifier !== "string" ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
+		} );
+	}
+
+	// Filtered directly for both simple and complex selectors
+	return jQuery.filter( qualifier, elements, not );
+}
+
+jQuery.filter = function( expr, elems, not ) {
+	var elem = elems[ 0 ];
+
+	if ( not ) {
+		expr = ":not(" + expr + ")";
+	}
+
+	if ( elems.length === 1 && elem.nodeType === 1 ) {
+		return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
+	}
+
+	return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
+		return elem.nodeType === 1;
+	} ) );
+};
+
+jQuery.fn.extend( {
+	find: function( selector ) {
+		var i, ret,
+			len = this.length,
+			self = this;
+
+		if ( typeof selector !== "string" ) {
+			return this.pushStack( jQuery( selector ).filter( function() {
+				for ( i = 0; i < len; i++ ) {
+					if ( jQuery.contains( self[ i ], this ) ) {
+						return true;
+					}
+				}
+			} ) );
+		}
+
+		ret = this.pushStack( [] );
+
+		for ( i = 0; i < len; i++ ) {
+			jQuery.find( selector, self[ i ], ret );
+		}
+
+		return len > 1 ? jQuery.uniqueSort( ret ) : ret;
+	},
+	filter: function( selector ) {
+		return this.pushStack( winnow( this, selector || [], false ) );
+	},
+	not: function( selector ) {
+		return this.pushStack( winnow( this, selector || [], true ) );
+	},
+	is: function( selector ) {
+		return !!winnow(
+			this,
+
+			// If this is a positional/relative selector, check membership in the returned set
+			// so $("p:first").is("p:last") won't return true for a doc with two "p".
+			typeof selector === "string" && rneedsContext.test( selector ) ?
+				jQuery( selector ) :
+				selector || [],
+			false
+		).length;
+	}
+} );
+
+
+// Initialize a jQuery object
+
+
+// A central reference to the root jQuery(document)
+var rootjQuery,
+
+	// A simple way to check for HTML strings
+	// Prioritize #id over  to avoid XSS via location.hash (#9521)
+	// Strict HTML recognition (#11290: must start with <)
+	// Shortcut simple #id case for speed
+	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
+
+	init = jQuery.fn.init = function( selector, context, root ) {
+		var match, elem;
+
+		// HANDLE: $(""), $(null), $(undefined), $(false)
+		if ( !selector ) {
+			return this;
+		}
+
+		// Method init() accepts an alternate rootjQuery
+		// so migrate can support jQuery.sub (gh-2101)
+		root = root || rootjQuery;
+
+		// Handle HTML strings
+		if ( typeof selector === "string" ) {
+			if ( selector[ 0 ] === "<" &&
+				selector[ selector.length - 1 ] === ">" &&
+				selector.length >= 3 ) {
+
+				// Assume that strings that start and end with <> are HTML and skip the regex check
+				match = [ null, selector, null ];
+
+			} else {
+				match = rquickExpr.exec( selector );
+			}
+
+			// Match html or make sure no context is specified for #id
+			if ( match && ( match[ 1 ] || !context ) ) {
+
+				// HANDLE: $(html) -> $(array)
+				if ( match[ 1 ] ) {
+					context = context instanceof jQuery ? context[ 0 ] : context;
+
+					// Option to run scripts is true for back-compat
+					// Intentionally let the error be thrown if parseHTML is not present
+					jQuery.merge( this, jQuery.parseHTML(
+						match[ 1 ],
+						context && context.nodeType ? context.ownerDocument || context : document,
+						true
+					) );
+
+					// HANDLE: $(html, props)
+					if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
+						for ( match in context ) {
+
+							// Properties of context are called as methods if possible
+							if ( isFunction( this[ match ] ) ) {
+								this[ match ]( context[ match ] );
+
+							// ...and otherwise set as attributes
+							} else {
+								this.attr( match, context[ match ] );
+							}
+						}
+					}
+
+					return this;
+
+				// HANDLE: $(#id)
+				} else {
+					elem = document.getElementById( match[ 2 ] );
+
+					if ( elem ) {
+
+						// Inject the element directly into the jQuery object
+						this[ 0 ] = elem;
+						this.length = 1;
+					}
+					return this;
+				}
+
+			// HANDLE: $(expr, $(...))
+			} else if ( !context || context.jquery ) {
+				return ( context || root ).find( selector );
+
+			// HANDLE: $(expr, context)
+			// (which is just equivalent to: $(context).find(expr)
+			} else {
+				return this.constructor( context ).find( selector );
+			}
+
+		// HANDLE: $(DOMElement)
+		} else if ( selector.nodeType ) {
+			this[ 0 ] = selector;
+			this.length = 1;
+			return this;
+
+		// HANDLE: $(function)
+		// Shortcut for document ready
+		} else if ( isFunction( selector ) ) {
+			return root.ready !== undefined ?
+				root.ready( selector ) :
+
+				// Execute immediately if ready is not present
+				selector( jQuery );
+		}
+
+		return jQuery.makeArray( selector, this );
+	};
+
+// Give the init function the jQuery prototype for later instantiation
+init.prototype = jQuery.fn;
+
+// Initialize central reference
+rootjQuery = jQuery( document );
+
+
+var rparentsprev = /^(?:parents|prev(?:Until|All))/,
+
+	// Methods guaranteed to produce a unique set when starting from a unique set
+	guaranteedUnique = {
+		children: true,
+		contents: true,
+		next: true,
+		prev: true
+	};
+
+jQuery.fn.extend( {
+	has: function( target ) {
+		var targets = jQuery( target, this ),
+			l = targets.length;
+
+		return this.filter( function() {
+			var i = 0;
+			for ( ; i < l; i++ ) {
+				if ( jQuery.contains( this, targets[ i ] ) ) {
+					return true;
+				}
+			}
+		} );
+	},
+
+	closest: function( selectors, context ) {
+		var cur,
+			i = 0,
+			l = this.length,
+			matched = [],
+			targets = typeof selectors !== "string" && jQuery( selectors );
+
+		// Positional selectors never match, since there's no _selection_ context
+		if ( !rneedsContext.test( selectors ) ) {
+			for ( ; i < l; i++ ) {
+				for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
+
+					// Always skip document fragments
+					if ( cur.nodeType < 11 && ( targets ?
+						targets.index( cur ) > -1 :
+
+						// Don't pass non-elements to Sizzle
+						cur.nodeType === 1 &&
+							jQuery.find.matchesSelector( cur, selectors ) ) ) {
+
+						matched.push( cur );
+						break;
+					}
+				}
+			}
+		}
+
+		return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
+	},
+
+	// Determine the position of an element within the set
+	index: function( elem ) {
+
+		// No argument, return index in parent
+		if ( !elem ) {
+			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
+		}
+
+		// Index in selector
+		if ( typeof elem === "string" ) {
+			return indexOf.call( jQuery( elem ), this[ 0 ] );
+		}
+
+		// Locate the position of the desired element
+		return indexOf.call( this,
+
+			// If it receives a jQuery object, the first element is used
+			elem.jquery ? elem[ 0 ] : elem
+		);
+	},
+
+	add: function( selector, context ) {
+		return this.pushStack(
+			jQuery.uniqueSort(
+				jQuery.merge( this.get(), jQuery( selector, context ) )
+			)
+		);
+	},
+
+	addBack: function( selector ) {
+		return this.add( selector == null ?
+			this.prevObject : this.prevObject.filter( selector )
+		);
+	}
+} );
+
+function sibling( cur, dir ) {
+	while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
+	return cur;
+}
+
+jQuery.each( {
+	parent: function( elem ) {
+		var parent = elem.parentNode;
+		return parent && parent.nodeType !== 11 ? parent : null;
+	},
+	parents: function( elem ) {
+		return dir( elem, "parentNode" );
+	},
+	parentsUntil: function( elem, i, until ) {
+		return dir( elem, "parentNode", until );
+	},
+	next: function( elem ) {
+		return sibling( elem, "nextSibling" );
+	},
+	prev: function( elem ) {
+		return sibling( elem, "previousSibling" );
+	},
+	nextAll: function( elem ) {
+		return dir( elem, "nextSibling" );
+	},
+	prevAll: function( elem ) {
+		return dir( elem, "previousSibling" );
+	},
+	nextUntil: function( elem, i, until ) {
+		return dir( elem, "nextSibling", until );
+	},
+	prevUntil: function( elem, i, until ) {
+		return dir( elem, "previousSibling", until );
+	},
+	siblings: function( elem ) {
+		return siblings( ( elem.parentNode || {} ).firstChild, elem );
+	},
+	children: function( elem ) {
+		return siblings( elem.firstChild );
+	},
+	contents: function( elem ) {
+		if ( typeof elem.contentDocument !== "undefined" ) {
+			return elem.contentDocument;
+		}
+
+		// Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
+		// Treat the template element as a regular one in browsers that
+		// don't support it.
+		if ( nodeName( elem, "template" ) ) {
+			elem = elem.content || elem;
+		}
+
+		return jQuery.merge( [], elem.childNodes );
+	}
+}, function( name, fn ) {
+	jQuery.fn[ name ] = function( until, selector ) {
+		var matched = jQuery.map( this, fn, until );
+
+		if ( name.slice( -5 ) !== "Until" ) {
+			selector = until;
+		}
+
+		if ( selector && typeof selector === "string" ) {
+			matched = jQuery.filter( selector, matched );
+		}
+
+		if ( this.length > 1 ) {
+
+			// Remove duplicates
+			if ( !guaranteedUnique[ name ] ) {
+				jQuery.uniqueSort( matched );
+			}
+
+			// Reverse order for parents* and prev-derivatives
+			if ( rparentsprev.test( name ) ) {
+				matched.reverse();
+			}
+		}
+
+		return this.pushStack( matched );
+	};
+} );
+var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
+
+
+
+// Convert String-formatted options into Object-formatted ones
+function createOptions( options ) {
+	var object = {};
+	jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
+		object[ flag ] = true;
+	} );
+	return object;
+}
+
+/*
+ * Create a callback list using the following parameters:
+ *
+ *	options: an optional list of space-separated options that will change how
+ *			the callback list behaves or a more traditional option object
+ *
+ * By default a callback list will act like an event callback list and can be
+ * "fired" multiple times.
+ *
+ * Possible options:
+ *
+ *	once:			will ensure the callback list can only be fired once (like a Deferred)
+ *
+ *	memory:			will keep track of previous values and will call any callback added
+ *					after the list has been fired right away with the latest "memorized"
+ *					values (like a Deferred)
+ *
+ *	unique:			will ensure a callback can only be added once (no duplicate in the list)
+ *
+ *	stopOnFalse:	interrupt callings when a callback returns false
+ *
+ */
+jQuery.Callbacks = function( options ) {
+
+	// Convert options from String-formatted to Object-formatted if needed
+	// (we check in cache first)
+	options = typeof options === "string" ?
+		createOptions( options ) :
+		jQuery.extend( {}, options );
+
+	var // Flag to know if list is currently firing
+		firing,
+
+		// Last fire value for non-forgettable lists
+		memory,
+
+		// Flag to know if list was already fired
+		fired,
+
+		// Flag to prevent firing
+		locked,
+
+		// Actual callback list
+		list = [],
+
+		// Queue of execution data for repeatable lists
+		queue = [],
+
+		// Index of currently firing callback (modified by add/remove as needed)
+		firingIndex = -1,
+
+		// Fire callbacks
+		fire = function() {
+
+			// Enforce single-firing
+			locked = locked || options.once;
+
+			// Execute callbacks for all pending executions,
+			// respecting firingIndex overrides and runtime changes
+			fired = firing = true;
+			for ( ; queue.length; firingIndex = -1 ) {
+				memory = queue.shift();
+				while ( ++firingIndex < list.length ) {
+
+					// Run callback and check for early termination
+					if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
+						options.stopOnFalse ) {
+
+						// Jump to end and forget the data so .add doesn't re-fire
+						firingIndex = list.length;
+						memory = false;
+					}
+				}
+			}
+
+			// Forget the data if we're done with it
+			if ( !options.memory ) {
+				memory = false;
+			}
+
+			firing = false;
+
+			// Clean up if we're done firing for good
+			if ( locked ) {
+
+				// Keep an empty list if we have data for future add calls
+				if ( memory ) {
+					list = [];
+
+				// Otherwise, this object is spent
+				} else {
+					list = "";
+				}
+			}
+		},
+
+		// Actual Callbacks object
+		self = {
+
+			// Add a callback or a collection of callbacks to the list
+			add: function() {
+				if ( list ) {
+
+					// If we have memory from a past run, we should fire after adding
+					if ( memory && !firing ) {
+						firingIndex = list.length - 1;
+						queue.push( memory );
+					}
+
+					( function add( args ) {
+						jQuery.each( args, function( _, arg ) {
+							if ( isFunction( arg ) ) {
+								if ( !options.unique || !self.has( arg ) ) {
+									list.push( arg );
+								}
+							} else if ( arg && arg.length && toType( arg ) !== "string" ) {
+
+								// Inspect recursively
+								add( arg );
+							}
+						} );
+					} )( arguments );
+
+					if ( memory && !firing ) {
+						fire();
+					}
+				}
+				return this;
+			},
+
+			// Remove a callback from the list
+			remove: function() {
+				jQuery.each( arguments, function( _, arg ) {
+					var index;
+					while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
+						list.splice( index, 1 );
+
+						// Handle firing indexes
+						if ( index <= firingIndex ) {
+							firingIndex--;
+						}
+					}
+				} );
+				return this;
+			},
+
+			// Check if a given callback is in the list.
+			// If no argument is given, return whether or not list has callbacks attached.
+			has: function( fn ) {
+				return fn ?
+					jQuery.inArray( fn, list ) > -1 :
+					list.length > 0;
+			},
+
+			// Remove all callbacks from the list
+			empty: function() {
+				if ( list ) {
+					list = [];
+				}
+				return this;
+			},
+
+			// Disable .fire and .add
+			// Abort any current/pending executions
+			// Clear all callbacks and values
+			disable: function() {
+				locked = queue = [];
+				list = memory = "";
+				return this;
+			},
+			disabled: function() {
+				return !list;
+			},
+
+			// Disable .fire
+			// Also disable .add unless we have memory (since it would have no effect)
+			// Abort any pending executions
+			lock: function() {
+				locked = queue = [];
+				if ( !memory && !firing ) {
+					list = memory = "";
+				}
+				return this;
+			},
+			locked: function() {
+				return !!locked;
+			},
+
+			// Call all callbacks with the given context and arguments
+			fireWith: function( context, args ) {
+				if ( !locked ) {
+					args = args || [];
+					args = [ context, args.slice ? args.slice() : args ];
+					queue.push( args );
+					if ( !firing ) {
+						fire();
+					}
+				}
+				return this;
+			},
+
+			// Call all the callbacks with the given arguments
+			fire: function() {
+				self.fireWith( this, arguments );
+				return this;
+			},
+
+			// To know if the callbacks have already been called at least once
+			fired: function() {
+				return !!fired;
+			}
+		};
+
+	return self;
+};
+
+
+function Identity( v ) {
+	return v;
+}
+function Thrower( ex ) {
+	throw ex;
+}
+
+function adoptValue( value, resolve, reject, noValue ) {
+	var method;
+
+	try {
+
+		// Check for promise aspect first to privilege synchronous behavior
+		if ( value && isFunction( ( method = value.promise ) ) ) {
+			method.call( value ).done( resolve ).fail( reject );
+
+		// Other thenables
+		} else if ( value && isFunction( ( method = value.then ) ) ) {
+			method.call( value, resolve, reject );
+
+		// Other non-thenables
+		} else {
+
+			// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
+			// * false: [ value ].slice( 0 ) => resolve( value )
+			// * true: [ value ].slice( 1 ) => resolve()
+			resolve.apply( undefined, [ value ].slice( noValue ) );
+		}
+
+	// For Promises/A+, convert exceptions into rejections
+	// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
+	// Deferred#then to conditionally suppress rejection.
+	} catch ( value ) {
+
+		// Support: Android 4.0 only
+		// Strict mode functions invoked without .call/.apply get global-object context
+		reject.apply( undefined, [ value ] );
+	}
+}
+
+jQuery.extend( {
+
+	Deferred: function( func ) {
+		var tuples = [
+
+				// action, add listener, callbacks,
+				// ... .then handlers, argument index, [final state]
+				[ "notify", "progress", jQuery.Callbacks( "memory" ),
+					jQuery.Callbacks( "memory" ), 2 ],
+				[ "resolve", "done", jQuery.Callbacks( "once memory" ),
+					jQuery.Callbacks( "once memory" ), 0, "resolved" ],
+				[ "reject", "fail", jQuery.Callbacks( "once memory" ),
+					jQuery.Callbacks( "once memory" ), 1, "rejected" ]
+			],
+			state = "pending",
+			promise = {
+				state: function() {
+					return state;
+				},
+				always: function() {
+					deferred.done( arguments ).fail( arguments );
+					return this;
+				},
+				"catch": function( fn ) {
+					return promise.then( null, fn );
+				},
+
+				// Keep pipe for back-compat
+				pipe: function( /* fnDone, fnFail, fnProgress */ ) {
+					var fns = arguments;
+
+					return jQuery.Deferred( function( newDefer ) {
+						jQuery.each( tuples, function( i, tuple ) {
+
+							// Map tuples (progress, done, fail) to arguments (done, fail, progress)
+							var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
+
+							// deferred.progress(function() { bind to newDefer or newDefer.notify })
+							// deferred.done(function() { bind to newDefer or newDefer.resolve })
+							// deferred.fail(function() { bind to newDefer or newDefer.reject })
+							deferred[ tuple[ 1 ] ]( function() {
+								var returned = fn && fn.apply( this, arguments );
+								if ( returned && isFunction( returned.promise ) ) {
+									returned.promise()
+										.progress( newDefer.notify )
+										.done( newDefer.resolve )
+										.fail( newDefer.reject );
+								} else {
+									newDefer[ tuple[ 0 ] + "With" ](
+										this,
+										fn ? [ returned ] : arguments
+									);
+								}
+							} );
+						} );
+						fns = null;
+					} ).promise();
+				},
+				then: function( onFulfilled, onRejected, onProgress ) {
+					var maxDepth = 0;
+					function resolve( depth, deferred, handler, special ) {
+						return function() {
+							var that = this,
+								args = arguments,
+								mightThrow = function() {
+									var returned, then;
+
+									// Support: Promises/A+ section 2.3.3.3.3
+									// https://promisesaplus.com/#point-59
+									// Ignore double-resolution attempts
+									if ( depth < maxDepth ) {
+										return;
+									}
+
+									returned = handler.apply( that, args );
+
+									// Support: Promises/A+ section 2.3.1
+									// https://promisesaplus.com/#point-48
+									if ( returned === deferred.promise() ) {
+										throw new TypeError( "Thenable self-resolution" );
+									}
+
+									// Support: Promises/A+ sections 2.3.3.1, 3.5
+									// https://promisesaplus.com/#point-54
+									// https://promisesaplus.com/#point-75
+									// Retrieve `then` only once
+									then = returned &&
+
+										// Support: Promises/A+ section 2.3.4
+										// https://promisesaplus.com/#point-64
+										// Only check objects and functions for thenability
+										( typeof returned === "object" ||
+											typeof returned === "function" ) &&
+										returned.then;
+
+									// Handle a returned thenable
+									if ( isFunction( then ) ) {
+
+										// Special processors (notify) just wait for resolution
+										if ( special ) {
+											then.call(
+												returned,
+												resolve( maxDepth, deferred, Identity, special ),
+												resolve( maxDepth, deferred, Thrower, special )
+											);
+
+										// Normal processors (resolve) also hook into progress
+										} else {
+
+											// ...and disregard older resolution values
+											maxDepth++;
+
+											then.call(
+												returned,
+												resolve( maxDepth, deferred, Identity, special ),
+												resolve( maxDepth, deferred, Thrower, special ),
+												resolve( maxDepth, deferred, Identity,
+													deferred.notifyWith )
+											);
+										}
+
+									// Handle all other returned values
+									} else {
+
+										// Only substitute handlers pass on context
+										// and multiple values (non-spec behavior)
+										if ( handler !== Identity ) {
+											that = undefined;
+											args = [ returned ];
+										}
+
+										// Process the value(s)
+										// Default process is resolve
+										( special || deferred.resolveWith )( that, args );
+									}
+								},
+
+								// Only normal processors (resolve) catch and reject exceptions
+								process = special ?
+									mightThrow :
+									function() {
+										try {
+											mightThrow();
+										} catch ( e ) {
+
+											if ( jQuery.Deferred.exceptionHook ) {
+												jQuery.Deferred.exceptionHook( e,
+													process.stackTrace );
+											}
+
+											// Support: Promises/A+ section 2.3.3.3.4.1
+											// https://promisesaplus.com/#point-61
+											// Ignore post-resolution exceptions
+											if ( depth + 1 >= maxDepth ) {
+
+												// Only substitute handlers pass on context
+												// and multiple values (non-spec behavior)
+												if ( handler !== Thrower ) {
+													that = undefined;
+													args = [ e ];
+												}
+
+												deferred.rejectWith( that, args );
+											}
+										}
+									};
+
+							// Support: Promises/A+ section 2.3.3.3.1
+							// https://promisesaplus.com/#point-57
+							// Re-resolve promises immediately to dodge false rejection from
+							// subsequent errors
+							if ( depth ) {
+								process();
+							} else {
+
+								// Call an optional hook to record the stack, in case of exception
+								// since it's otherwise lost when execution goes async
+								if ( jQuery.Deferred.getStackHook ) {
+									process.stackTrace = jQuery.Deferred.getStackHook();
+								}
+								window.setTimeout( process );
+							}
+						};
+					}
+
+					return jQuery.Deferred( function( newDefer ) {
+
+						// progress_handlers.add( ... )
+						tuples[ 0 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								isFunction( onProgress ) ?
+									onProgress :
+									Identity,
+								newDefer.notifyWith
+							)
+						);
+
+						// fulfilled_handlers.add( ... )
+						tuples[ 1 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								isFunction( onFulfilled ) ?
+									onFulfilled :
+									Identity
+							)
+						);
+
+						// rejected_handlers.add( ... )
+						tuples[ 2 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								isFunction( onRejected ) ?
+									onRejected :
+									Thrower
+							)
+						);
+					} ).promise();
+				},
+
+				// Get a promise for this deferred
+				// If obj is provided, the promise aspect is added to the object
+				promise: function( obj ) {
+					return obj != null ? jQuery.extend( obj, promise ) : promise;
+				}
+			},
+			deferred = {};
+
+		// Add list-specific methods
+		jQuery.each( tuples, function( i, tuple ) {
+			var list = tuple[ 2 ],
+				stateString = tuple[ 5 ];
+
+			// promise.progress = list.add
+			// promise.done = list.add
+			// promise.fail = list.add
+			promise[ tuple[ 1 ] ] = list.add;
+
+			// Handle state
+			if ( stateString ) {
+				list.add(
+					function() {
+
+						// state = "resolved" (i.e., fulfilled)
+						// state = "rejected"
+						state = stateString;
+					},
+
+					// rejected_callbacks.disable
+					// fulfilled_callbacks.disable
+					tuples[ 3 - i ][ 2 ].disable,
+
+					// rejected_handlers.disable
+					// fulfilled_handlers.disable
+					tuples[ 3 - i ][ 3 ].disable,
+
+					// progress_callbacks.lock
+					tuples[ 0 ][ 2 ].lock,
+
+					// progress_handlers.lock
+					tuples[ 0 ][ 3 ].lock
+				);
+			}
+
+			// progress_handlers.fire
+			// fulfilled_handlers.fire
+			// rejected_handlers.fire
+			list.add( tuple[ 3 ].fire );
+
+			// deferred.notify = function() { deferred.notifyWith(...) }
+			// deferred.resolve = function() { deferred.resolveWith(...) }
+			// deferred.reject = function() { deferred.rejectWith(...) }
+			deferred[ tuple[ 0 ] ] = function() {
+				deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
+				return this;
+			};
+
+			// deferred.notifyWith = list.fireWith
+			// deferred.resolveWith = list.fireWith
+			// deferred.rejectWith = list.fireWith
+			deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
+		} );
+
+		// Make the deferred a promise
+		promise.promise( deferred );
+
+		// Call given func if any
+		if ( func ) {
+			func.call( deferred, deferred );
+		}
+
+		// All done!
+		return deferred;
+	},
+
+	// Deferred helper
+	when: function( singleValue ) {
+		var
+
+			// count of uncompleted subordinates
+			remaining = arguments.length,
+
+			// count of unprocessed arguments
+			i = remaining,
+
+			// subordinate fulfillment data
+			resolveContexts = Array( i ),
+			resolveValues = slice.call( arguments ),
+
+			// the master Deferred
+			master = jQuery.Deferred(),
+
+			// subordinate callback factory
+			updateFunc = function( i ) {
+				return function( value ) {
+					resolveContexts[ i ] = this;
+					resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
+					if ( !( --remaining ) ) {
+						master.resolveWith( resolveContexts, resolveValues );
+					}
+				};
+			};
+
+		// Single- and empty arguments are adopted like Promise.resolve
+		if ( remaining <= 1 ) {
+			adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
+				!remaining );
+
+			// Use .then() to unwrap secondary thenables (cf. gh-3000)
+			if ( master.state() === "pending" ||
+				isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
+
+				return master.then();
+			}
+		}
+
+		// Multiple arguments are aggregated like Promise.all array elements
+		while ( i-- ) {
+			adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
+		}
+
+		return master.promise();
+	}
+} );
+
+
+// These usually indicate a programmer mistake during development,
+// warn about them ASAP rather than swallowing them by default.
+var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
+
+jQuery.Deferred.exceptionHook = function( error, stack ) {
+
+	// Support: IE 8 - 9 only
+	// Console exists when dev tools are open, which can happen at any time
+	if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
+		window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
+	}
+};
+
+
+
+
+jQuery.readyException = function( error ) {
+	window.setTimeout( function() {
+		throw error;
+	} );
+};
+
+
+
+
+// The deferred used on DOM ready
+var readyList = jQuery.Deferred();
+
+jQuery.fn.ready = function( fn ) {
+
+	readyList
+		.then( fn )
+
+		// Wrap jQuery.readyException in a function so that the lookup
+		// happens at the time of error handling instead of callback
+		// registration.
+		.catch( function( error ) {
+			jQuery.readyException( error );
+		} );
+
+	return this;
+};
+
+jQuery.extend( {
+
+	// Is the DOM ready to be used? Set to true once it occurs.
+	isReady: false,
+
+	// A counter to track how many items to wait for before
+	// the ready event fires. See #6781
+	readyWait: 1,
+
+	// Handle when the DOM is ready
+	ready: function( wait ) {
+
+		// Abort if there are pending holds or we're already ready
+		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
+			return;
+		}
+
+		// Remember that the DOM is ready
+		jQuery.isReady = true;
+
+		// If a normal DOM Ready event fired, decrement, and wait if need be
+		if ( wait !== true && --jQuery.readyWait > 0 ) {
+			return;
+		}
+
+		// If there are functions bound, to execute
+		readyList.resolveWith( document, [ jQuery ] );
+	}
+} );
+
+jQuery.ready.then = readyList.then;
+
+// The ready event handler and self cleanup method
+function completed() {
+	document.removeEventListener( "DOMContentLoaded", completed );
+	window.removeEventListener( "load", completed );
+	jQuery.ready();
+}
+
+// Catch cases where $(document).ready() is called
+// after the browser event has already occurred.
+// Support: IE <=9 - 10 only
+// Older IE sometimes signals "interactive" too soon
+if ( document.readyState === "complete" ||
+	( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
+
+	// Handle it asynchronously to allow scripts the opportunity to delay ready
+	window.setTimeout( jQuery.ready );
+
+} else {
+
+	// Use the handy event callback
+	document.addEventListener( "DOMContentLoaded", completed );
+
+	// A fallback to window.onload, that will always work
+	window.addEventListener( "load", completed );
+}
+
+
+
+
+// Multifunctional method to get and set values of a collection
+// The value/s can optionally be executed if it's a function
+var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
+	var i = 0,
+		len = elems.length,
+		bulk = key == null;
+
+	// Sets many values
+	if ( toType( key ) === "object" ) {
+		chainable = true;
+		for ( i in key ) {
+			access( elems, fn, i, key[ i ], true, emptyGet, raw );
+		}
+
+	// Sets one value
+	} else if ( value !== undefined ) {
+		chainable = true;
+
+		if ( !isFunction( value ) ) {
+			raw = true;
+		}
+
+		if ( bulk ) {
+
+			// Bulk operations run against the entire set
+			if ( raw ) {
+				fn.call( elems, value );
+				fn = null;
+
+			// ...except when executing function values
+			} else {
+				bulk = fn;
+				fn = function( elem, key, value ) {
+					return bulk.call( jQuery( elem ), value );
+				};
+			}
+		}
+
+		if ( fn ) {
+			for ( ; i < len; i++ ) {
+				fn(
+					elems[ i ], key, raw ?
+					value :
+					value.call( elems[ i ], i, fn( elems[ i ], key ) )
+				);
+			}
+		}
+	}
+
+	if ( chainable ) {
+		return elems;
+	}
+
+	// Gets
+	if ( bulk ) {
+		return fn.call( elems );
+	}
+
+	return len ? fn( elems[ 0 ], key ) : emptyGet;
+};
+
+
+// Matches dashed string for camelizing
+var rmsPrefix = /^-ms-/,
+	rdashAlpha = /-([a-z])/g;
+
+// Used by camelCase as callback to replace()
+function fcamelCase( all, letter ) {
+	return letter.toUpperCase();
+}
+
+// Convert dashed to camelCase; used by the css and data modules
+// Support: IE <=9 - 11, Edge 12 - 15
+// Microsoft forgot to hump their vendor prefix (#9572)
+function camelCase( string ) {
+	return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
+}
+var acceptData = function( owner ) {
+
+	// Accepts only:
+	//  - Node
+	//    - Node.ELEMENT_NODE
+	//    - Node.DOCUMENT_NODE
+	//  - Object
+	//    - Any
+	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
+};
+
+
+
+
+function Data() {
+	this.expando = jQuery.expando + Data.uid++;
+}
+
+Data.uid = 1;
+
+Data.prototype = {
+
+	cache: function( owner ) {
+
+		// Check if the owner object already has a cache
+		var value = owner[ this.expando ];
+
+		// If not, create one
+		if ( !value ) {
+			value = {};
+
+			// We can accept data for non-element nodes in modern browsers,
+			// but we should not, see #8335.
+			// Always return an empty object.
+			if ( acceptData( owner ) ) {
+
+				// If it is a node unlikely to be stringify-ed or looped over
+				// use plain assignment
+				if ( owner.nodeType ) {
+					owner[ this.expando ] = value;
+
+				// Otherwise secure it in a non-enumerable property
+				// configurable must be true to allow the property to be
+				// deleted when data is removed
+				} else {
+					Object.defineProperty( owner, this.expando, {
+						value: value,
+						configurable: true
+					} );
+				}
+			}
+		}
+
+		return value;
+	},
+	set: function( owner, data, value ) {
+		var prop,
+			cache = this.cache( owner );
+
+		// Handle: [ owner, key, value ] args
+		// Always use camelCase key (gh-2257)
+		if ( typeof data === "string" ) {
+			cache[ camelCase( data ) ] = value;
+
+		// Handle: [ owner, { properties } ] args
+		} else {
+
+			// Copy the properties one-by-one to the cache object
+			for ( prop in data ) {
+				cache[ camelCase( prop ) ] = data[ prop ];
+			}
+		}
+		return cache;
+	},
+	get: function( owner, key ) {
+		return key === undefined ?
+			this.cache( owner ) :
+
+			// Always use camelCase key (gh-2257)
+			owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
+	},
+	access: function( owner, key, value ) {
+
+		// In cases where either:
+		//
+		//   1. No key was specified
+		//   2. A string key was specified, but no value provided
+		//
+		// Take the "read" path and allow the get method to determine
+		// which value to return, respectively either:
+		//
+		//   1. The entire cache object
+		//   2. The data stored at the key
+		//
+		if ( key === undefined ||
+				( ( key && typeof key === "string" ) && value === undefined ) ) {
+
+			return this.get( owner, key );
+		}
+
+		// When the key is not a string, or both a key and value
+		// are specified, set or extend (existing objects) with either:
+		//
+		//   1. An object of properties
+		//   2. A key and value
+		//
+		this.set( owner, key, value );
+
+		// Since the "set" path can have two possible entry points
+		// return the expected data based on which path was taken[*]
+		return value !== undefined ? value : key;
+	},
+	remove: function( owner, key ) {
+		var i,
+			cache = owner[ this.expando ];
+
+		if ( cache === undefined ) {
+			return;
+		}
+
+		if ( key !== undefined ) {
+
+			// Support array or space separated string of keys
+			if ( Array.isArray( key ) ) {
+
+				// If key is an array of keys...
+				// We always set camelCase keys, so remove that.
+				key = key.map( camelCase );
+			} else {
+				key = camelCase( key );
+
+				// If a key with the spaces exists, use it.
+				// Otherwise, create an array by matching non-whitespace
+				key = key in cache ?
+					[ key ] :
+					( key.match( rnothtmlwhite ) || [] );
+			}
+
+			i = key.length;
+
+			while ( i-- ) {
+				delete cache[ key[ i ] ];
+			}
+		}
+
+		// Remove the expando if there's no more data
+		if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
+
+			// Support: Chrome <=35 - 45
+			// Webkit & Blink performance suffers when deleting properties
+			// from DOM nodes, so set to undefined instead
+			// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
+			if ( owner.nodeType ) {
+				owner[ this.expando ] = undefined;
+			} else {
+				delete owner[ this.expando ];
+			}
+		}
+	},
+	hasData: function( owner ) {
+		var cache = owner[ this.expando ];
+		return cache !== undefined && !jQuery.isEmptyObject( cache );
+	}
+};
+var dataPriv = new Data();
+
+var dataUser = new Data();
+
+
+
+//	Implementation Summary
+//
+//	1. Enforce API surface and semantic compatibility with 1.9.x branch
+//	2. Improve the module's maintainability by reducing the storage
+//		paths to a single mechanism.
+//	3. Use the same single mechanism to support "private" and "user" data.
+//	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
+//	5. Avoid exposing implementation details on user objects (eg. expando properties)
+//	6. Provide a clear path for implementation upgrade to WeakMap in 2014
+
+var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
+	rmultiDash = /[A-Z]/g;
+
+function getData( data ) {
+	if ( data === "true" ) {
+		return true;
+	}
+
+	if ( data === "false" ) {
+		return false;
+	}
+
+	if ( data === "null" ) {
+		return null;
+	}
+
+	// Only convert to a number if it doesn't change the string
+	if ( data === +data + "" ) {
+		return +data;
+	}
+
+	if ( rbrace.test( data ) ) {
+		return JSON.parse( data );
+	}
+
+	return data;
+}
+
+function dataAttr( elem, key, data ) {
+	var name;
+
+	// If nothing was found internally, try to fetch any
+	// data from the HTML5 data-* attribute
+	if ( data === undefined && elem.nodeType === 1 ) {
+		name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
+		data = elem.getAttribute( name );
+
+		if ( typeof data === "string" ) {
+			try {
+				data = getData( data );
+			} catch ( e ) {}
+
+			// Make sure we set the data so it isn't changed later
+			dataUser.set( elem, key, data );
+		} else {
+			data = undefined;
+		}
+	}
+	return data;
+}
+
+jQuery.extend( {
+	hasData: function( elem ) {
+		return dataUser.hasData( elem ) || dataPriv.hasData( elem );
+	},
+
+	data: function( elem, name, data ) {
+		return dataUser.access( elem, name, data );
+	},
+
+	removeData: function( elem, name ) {
+		dataUser.remove( elem, name );
+	},
+
+	// TODO: Now that all calls to _data and _removeData have been replaced
+	// with direct calls to dataPriv methods, these can be deprecated.
+	_data: function( elem, name, data ) {
+		return dataPriv.access( elem, name, data );
+	},
+
+	_removeData: function( elem, name ) {
+		dataPriv.remove( elem, name );
+	}
+} );
+
+jQuery.fn.extend( {
+	data: function( key, value ) {
+		var i, name, data,
+			elem = this[ 0 ],
+			attrs = elem && elem.attributes;
+
+		// Gets all values
+		if ( key === undefined ) {
+			if ( this.length ) {
+				data = dataUser.get( elem );
+
+				if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
+					i = attrs.length;
+					while ( i-- ) {
+
+						// Support: IE 11 only
+						// The attrs elements can be null (#14894)
+						if ( attrs[ i ] ) {
+							name = attrs[ i ].name;
+							if ( name.indexOf( "data-" ) === 0 ) {
+								name = camelCase( name.slice( 5 ) );
+								dataAttr( elem, name, data[ name ] );
+							}
+						}
+					}
+					dataPriv.set( elem, "hasDataAttrs", true );
+				}
+			}
+
+			return data;
+		}
+
+		// Sets multiple values
+		if ( typeof key === "object" ) {
+			return this.each( function() {
+				dataUser.set( this, key );
+			} );
+		}
+
+		return access( this, function( value ) {
+			var data;
+
+			// The calling jQuery object (element matches) is not empty
+			// (and therefore has an element appears at this[ 0 ]) and the
+			// `value` parameter was not undefined. An empty jQuery object
+			// will result in `undefined` for elem = this[ 0 ] which will
+			// throw an exception if an attempt to read a data cache is made.
+			if ( elem && value === undefined ) {
+
+				// Attempt to get data from the cache
+				// The key will always be camelCased in Data
+				data = dataUser.get( elem, key );
+				if ( data !== undefined ) {
+					return data;
+				}
+
+				// Attempt to "discover" the data in
+				// HTML5 custom data-* attrs
+				data = dataAttr( elem, key );
+				if ( data !== undefined ) {
+					return data;
+				}
+
+				// We tried really hard, but the data doesn't exist.
+				return;
+			}
+
+			// Set the data...
+			this.each( function() {
+
+				// We always store the camelCased key
+				dataUser.set( this, key, value );
+			} );
+		}, null, value, arguments.length > 1, null, true );
+	},
+
+	removeData: function( key ) {
+		return this.each( function() {
+			dataUser.remove( this, key );
+		} );
+	}
+} );
+
+
+jQuery.extend( {
+	queue: function( elem, type, data ) {
+		var queue;
+
+		if ( elem ) {
+			type = ( type || "fx" ) + "queue";
+			queue = dataPriv.get( elem, type );
+
+			// Speed up dequeue by getting out quickly if this is just a lookup
+			if ( data ) {
+				if ( !queue || Array.isArray( data ) ) {
+					queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
+				} else {
+					queue.push( data );
+				}
+			}
+			return queue || [];
+		}
+	},
+
+	dequeue: function( elem, type ) {
+		type = type || "fx";
+
+		var queue = jQuery.queue( elem, type ),
+			startLength = queue.length,
+			fn = queue.shift(),
+			hooks = jQuery._queueHooks( elem, type ),
+			next = function() {
+				jQuery.dequeue( elem, type );
+			};
+
+		// If the fx queue is dequeued, always remove the progress sentinel
+		if ( fn === "inprogress" ) {
+			fn = queue.shift();
+			startLength--;
+		}
+
+		if ( fn ) {
+
+			// Add a progress sentinel to prevent the fx queue from being
+			// automatically dequeued
+			if ( type === "fx" ) {
+				queue.unshift( "inprogress" );
+			}
+
+			// Clear up the last queue stop function
+			delete hooks.stop;
+			fn.call( elem, next, hooks );
+		}
+
+		if ( !startLength && hooks ) {
+			hooks.empty.fire();
+		}
+	},
+
+	// Not public - generate a queueHooks object, or return the current one
+	_queueHooks: function( elem, type ) {
+		var key = type + "queueHooks";
+		return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
+			empty: jQuery.Callbacks( "once memory" ).add( function() {
+				dataPriv.remove( elem, [ type + "queue", key ] );
+			} )
+		} );
+	}
+} );
+
+jQuery.fn.extend( {
+	queue: function( type, data ) {
+		var setter = 2;
+
+		if ( typeof type !== "string" ) {
+			data = type;
+			type = "fx";
+			setter--;
+		}
+
+		if ( arguments.length < setter ) {
+			return jQuery.queue( this[ 0 ], type );
+		}
+
+		return data === undefined ?
+			this :
+			this.each( function() {
+				var queue = jQuery.queue( this, type, data );
+
+				// Ensure a hooks for this queue
+				jQuery._queueHooks( this, type );
+
+				if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
+					jQuery.dequeue( this, type );
+				}
+			} );
+	},
+	dequeue: function( type ) {
+		return this.each( function() {
+			jQuery.dequeue( this, type );
+		} );
+	},
+	clearQueue: function( type ) {
+		return this.queue( type || "fx", [] );
+	},
+
+	// Get a promise resolved when queues of a certain type
+	// are emptied (fx is the type by default)
+	promise: function( type, obj ) {
+		var tmp,
+			count = 1,
+			defer = jQuery.Deferred(),
+			elements = this,
+			i = this.length,
+			resolve = function() {
+				if ( !( --count ) ) {
+					defer.resolveWith( elements, [ elements ] );
+				}
+			};
+
+		if ( typeof type !== "string" ) {
+			obj = type;
+			type = undefined;
+		}
+		type = type || "fx";
+
+		while ( i-- ) {
+			tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
+			if ( tmp && tmp.empty ) {
+				count++;
+				tmp.empty.add( resolve );
+			}
+		}
+		resolve();
+		return defer.promise( obj );
+	}
+} );
+var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
+
+var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
+
+
+var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
+
+var documentElement = document.documentElement;
+
+
+
+	var isAttached = function( elem ) {
+			return jQuery.contains( elem.ownerDocument, elem );
+		},
+		composed = { composed: true };
+
+	// Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
+	// Check attachment across shadow DOM boundaries when possible (gh-3504)
+	// Support: iOS 10.0-10.2 only
+	// Early iOS 10 versions support `attachShadow` but not `getRootNode`,
+	// leading to errors. We need to check for `getRootNode`.
+	if ( documentElement.getRootNode ) {
+		isAttached = function( elem ) {
+			return jQuery.contains( elem.ownerDocument, elem ) ||
+				elem.getRootNode( composed ) === elem.ownerDocument;
+		};
+	}
+var isHiddenWithinTree = function( elem, el ) {
+
+		// isHiddenWithinTree might be called from jQuery#filter function;
+		// in that case, element will be second argument
+		elem = el || elem;
+
+		// Inline style trumps all
+		return elem.style.display === "none" ||
+			elem.style.display === "" &&
+
+			// Otherwise, check computed style
+			// Support: Firefox <=43 - 45
+			// Disconnected elements can have computed display: none, so first confirm that elem is
+			// in the document.
+			isAttached( elem ) &&
+
+			jQuery.css( elem, "display" ) === "none";
+	};
+
+var swap = function( elem, options, callback, args ) {
+	var ret, name,
+		old = {};
+
+	// Remember the old values, and insert the new ones
+	for ( name in options ) {
+		old[ name ] = elem.style[ name ];
+		elem.style[ name ] = options[ name ];
+	}
+
+	ret = callback.apply( elem, args || [] );
+
+	// Revert the old values
+	for ( name in options ) {
+		elem.style[ name ] = old[ name ];
+	}
+
+	return ret;
+};
+
+
+
+
+function adjustCSS( elem, prop, valueParts, tween ) {
+	var adjusted, scale,
+		maxIterations = 20,
+		currentValue = tween ?
+			function() {
+				return tween.cur();
+			} :
+			function() {
+				return jQuery.css( elem, prop, "" );
+			},
+		initial = currentValue(),
+		unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
+
+		// Starting value computation is required for potential unit mismatches
+		initialInUnit = elem.nodeType &&
+			( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
+			rcssNum.exec( jQuery.css( elem, prop ) );
+
+	if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
+
+		// Support: Firefox <=54
+		// Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
+		initial = initial / 2;
+
+		// Trust units reported by jQuery.css
+		unit = unit || initialInUnit[ 3 ];
+
+		// Iteratively approximate from a nonzero starting point
+		initialInUnit = +initial || 1;
+
+		while ( maxIterations-- ) {
+
+			// Evaluate and update our best guess (doubling guesses that zero out).
+			// Finish if the scale equals or crosses 1 (making the old*new product non-positive).
+			jQuery.style( elem, prop, initialInUnit + unit );
+			if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
+				maxIterations = 0;
+			}
+			initialInUnit = initialInUnit / scale;
+
+		}
+
+		initialInUnit = initialInUnit * 2;
+		jQuery.style( elem, prop, initialInUnit + unit );
+
+		// Make sure we update the tween properties later on
+		valueParts = valueParts || [];
+	}
+
+	if ( valueParts ) {
+		initialInUnit = +initialInUnit || +initial || 0;
+
+		// Apply relative offset (+=/-=) if specified
+		adjusted = valueParts[ 1 ] ?
+			initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
+			+valueParts[ 2 ];
+		if ( tween ) {
+			tween.unit = unit;
+			tween.start = initialInUnit;
+			tween.end = adjusted;
+		}
+	}
+	return adjusted;
+}
+
+
+var defaultDisplayMap = {};
+
+function getDefaultDisplay( elem ) {
+	var temp,
+		doc = elem.ownerDocument,
+		nodeName = elem.nodeName,
+		display = defaultDisplayMap[ nodeName ];
+
+	if ( display ) {
+		return display;
+	}
+
+	temp = doc.body.appendChild( doc.createElement( nodeName ) );
+	display = jQuery.css( temp, "display" );
+
+	temp.parentNode.removeChild( temp );
+
+	if ( display === "none" ) {
+		display = "block";
+	}
+	defaultDisplayMap[ nodeName ] = display;
+
+	return display;
+}
+
+function showHide( elements, show ) {
+	var display, elem,
+		values = [],
+		index = 0,
+		length = elements.length;
+
+	// Determine new display value for elements that need to change
+	for ( ; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
+		}
+
+		display = elem.style.display;
+		if ( show ) {
+
+			// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
+			// check is required in this first loop unless we have a nonempty display value (either
+			// inline or about-to-be-restored)
+			if ( display === "none" ) {
+				values[ index ] = dataPriv.get( elem, "display" ) || null;
+				if ( !values[ index ] ) {
+					elem.style.display = "";
+				}
+			}
+			if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
+				values[ index ] = getDefaultDisplay( elem );
+			}
+		} else {
+			if ( display !== "none" ) {
+				values[ index ] = "none";
+
+				// Remember what we're overwriting
+				dataPriv.set( elem, "display", display );
+			}
+		}
+	}
+
+	// Set the display of the elements in a second loop to avoid constant reflow
+	for ( index = 0; index < length; index++ ) {
+		if ( values[ index ] != null ) {
+			elements[ index ].style.display = values[ index ];
+		}
+	}
+
+	return elements;
+}
+
+jQuery.fn.extend( {
+	show: function() {
+		return showHide( this, true );
+	},
+	hide: function() {
+		return showHide( this );
+	},
+	toggle: function( state ) {
+		if ( typeof state === "boolean" ) {
+			return state ? this.show() : this.hide();
+		}
+
+		return this.each( function() {
+			if ( isHiddenWithinTree( this ) ) {
+				jQuery( this ).show();
+			} else {
+				jQuery( this ).hide();
+			}
+		} );
+	}
+} );
+var rcheckableType = ( /^(?:checkbox|radio)$/i );
+
+var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
+
+var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
+
+
+
+// We have to close these tags to support XHTML (#13200)
+var wrapMap = {
+
+	// Support: IE <=9 only
+	option: [ 1, "" ],
+
+	// XHTML parsers do not magically insert elements in the
+	// same way that tag soup parsers do. So we cannot shorten
+	// this by omitting  or other required elements.
+	thead: [ 1, "", "
            " ],
+	col: [ 2, "", "
            " ],
+	tr: [ 2, "", "
            " ],
+	td: [ 3, "", "
            " ],
+
+	_default: [ 0, "", "" ]
+};
+
+// Support: IE <=9 only
+wrapMap.optgroup = wrapMap.option;
+
+wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
+wrapMap.th = wrapMap.td;
+
+
+function getAll( context, tag ) {
+
+	// Support: IE <=9 - 11 only
+	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
+	var ret;
+
+	if ( typeof context.getElementsByTagName !== "undefined" ) {
+		ret = context.getElementsByTagName( tag || "*" );
+
+	} else if ( typeof context.querySelectorAll !== "undefined" ) {
+		ret = context.querySelectorAll( tag || "*" );
+
+	} else {
+		ret = [];
+	}
+
+	if ( tag === undefined || tag && nodeName( context, tag ) ) {
+		return jQuery.merge( [ context ], ret );
+	}
+
+	return ret;
+}
+
+
+// Mark scripts as having already been evaluated
+function setGlobalEval( elems, refElements ) {
+	var i = 0,
+		l = elems.length;
+
+	for ( ; i < l; i++ ) {
+		dataPriv.set(
+			elems[ i ],
+			"globalEval",
+			!refElements || dataPriv.get( refElements[ i ], "globalEval" )
+		);
+	}
+}
+
+
+var rhtml = /<|&#?\w+;/;
+
+function buildFragment( elems, context, scripts, selection, ignored ) {
+	var elem, tmp, tag, wrap, attached, j,
+		fragment = context.createDocumentFragment(),
+		nodes = [],
+		i = 0,
+		l = elems.length;
+
+	for ( ; i < l; i++ ) {
+		elem = elems[ i ];
+
+		if ( elem || elem === 0 ) {
+
+			// Add nodes directly
+			if ( toType( elem ) === "object" ) {
+
+				// Support: Android <=4.0 only, PhantomJS 1 only
+				// push.apply(_, arraylike) throws on ancient WebKit
+				jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
+
+			// Convert non-html into a text node
+			} else if ( !rhtml.test( elem ) ) {
+				nodes.push( context.createTextNode( elem ) );
+
+			// Convert html into DOM nodes
+			} else {
+				tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
+
+				// Deserialize a standard representation
+				tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
+				wrap = wrapMap[ tag ] || wrapMap._default;
+				tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
+
+				// Descend through wrappers to the right content
+				j = wrap[ 0 ];
+				while ( j-- ) {
+					tmp = tmp.lastChild;
+				}
+
+				// Support: Android <=4.0 only, PhantomJS 1 only
+				// push.apply(_, arraylike) throws on ancient WebKit
+				jQuery.merge( nodes, tmp.childNodes );
+
+				// Remember the top-level container
+				tmp = fragment.firstChild;
+
+				// Ensure the created nodes are orphaned (#12392)
+				tmp.textContent = "";
+			}
+		}
+	}
+
+	// Remove wrapper from fragment
+	fragment.textContent = "";
+
+	i = 0;
+	while ( ( elem = nodes[ i++ ] ) ) {
+
+		// Skip elements already in the context collection (trac-4087)
+		if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
+			if ( ignored ) {
+				ignored.push( elem );
+			}
+			continue;
+		}
+
+		attached = isAttached( elem );
+
+		// Append to fragment
+		tmp = getAll( fragment.appendChild( elem ), "script" );
+
+		// Preserve script evaluation history
+		if ( attached ) {
+			setGlobalEval( tmp );
+		}
+
+		// Capture executables
+		if ( scripts ) {
+			j = 0;
+			while ( ( elem = tmp[ j++ ] ) ) {
+				if ( rscriptType.test( elem.type || "" ) ) {
+					scripts.push( elem );
+				}
+			}
+		}
+	}
+
+	return fragment;
+}
+
+
+( function() {
+	var fragment = document.createDocumentFragment(),
+		div = fragment.appendChild( document.createElement( "div" ) ),
+		input = document.createElement( "input" );
+
+	// Support: Android 4.0 - 4.3 only
+	// Check state lost if the name is set (#11217)
+	// Support: Windows Web Apps (WWA)
+	// `name` and `type` must use .setAttribute for WWA (#14901)
+	input.setAttribute( "type", "radio" );
+	input.setAttribute( "checked", "checked" );
+	input.setAttribute( "name", "t" );
+
+	div.appendChild( input );
+
+	// Support: Android <=4.1 only
+	// Older WebKit doesn't clone checked state correctly in fragments
+	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
+
+	// Support: IE <=11 only
+	// Make sure textarea (and checkbox) defaultValue is properly cloned
+	div.innerHTML = "";
+	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
+} )();
+
+
+var
+	rkeyEvent = /^key/,
+	rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
+	rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
+
+function returnTrue() {
+	return true;
+}
+
+function returnFalse() {
+	return false;
+}
+
+// Support: IE <=9 - 11+
+// focus() and blur() are asynchronous, except when they are no-op.
+// So expect focus to be synchronous when the element is already active,
+// and blur to be synchronous when the element is not already active.
+// (focus and blur are always synchronous in other supported browsers,
+// this just defines when we can count on it).
+function expectSync( elem, type ) {
+	return ( elem === safeActiveElement() ) === ( type === "focus" );
+}
+
+// Support: IE <=9 only
+// Accessing document.activeElement can throw unexpectedly
+// https://bugs.jquery.com/ticket/13393
+function safeActiveElement() {
+	try {
+		return document.activeElement;
+	} catch ( err ) { }
+}
+
+function on( elem, types, selector, data, fn, one ) {
+	var origFn, type;
+
+	// Types can be a map of types/handlers
+	if ( typeof types === "object" ) {
+
+		// ( types-Object, selector, data )
+		if ( typeof selector !== "string" ) {
+
+			// ( types-Object, data )
+			data = data || selector;
+			selector = undefined;
+		}
+		for ( type in types ) {
+			on( elem, type, selector, data, types[ type ], one );
+		}
+		return elem;
+	}
+
+	if ( data == null && fn == null ) {
+
+		// ( types, fn )
+		fn = selector;
+		data = selector = undefined;
+	} else if ( fn == null ) {
+		if ( typeof selector === "string" ) {
+
+			// ( types, selector, fn )
+			fn = data;
+			data = undefined;
+		} else {
+
+			// ( types, data, fn )
+			fn = data;
+			data = selector;
+			selector = undefined;
+		}
+	}
+	if ( fn === false ) {
+		fn = returnFalse;
+	} else if ( !fn ) {
+		return elem;
+	}
+
+	if ( one === 1 ) {
+		origFn = fn;
+		fn = function( event ) {
+
+			// Can use an empty set, since event contains the info
+			jQuery().off( event );
+			return origFn.apply( this, arguments );
+		};
+
+		// Use same guid so caller can remove using origFn
+		fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
+	}
+	return elem.each( function() {
+		jQuery.event.add( this, types, fn, data, selector );
+	} );
+}
+
+/*
+ * Helper functions for managing events -- not part of the public interface.
+ * Props to Dean Edwards' addEvent library for many of the ideas.
+ */
+jQuery.event = {
+
+	global: {},
+
+	add: function( elem, types, handler, data, selector ) {
+
+		var handleObjIn, eventHandle, tmp,
+			events, t, handleObj,
+			special, handlers, type, namespaces, origType,
+			elemData = dataPriv.get( elem );
+
+		// Don't attach events to noData or text/comment nodes (but allow plain objects)
+		if ( !elemData ) {
+			return;
+		}
+
+		// Caller can pass in an object of custom data in lieu of the handler
+		if ( handler.handler ) {
+			handleObjIn = handler;
+			handler = handleObjIn.handler;
+			selector = handleObjIn.selector;
+		}
+
+		// Ensure that invalid selectors throw exceptions at attach time
+		// Evaluate against documentElement in case elem is a non-element node (e.g., document)
+		if ( selector ) {
+			jQuery.find.matchesSelector( documentElement, selector );
+		}
+
+		// Make sure that the handler has a unique ID, used to find/remove it later
+		if ( !handler.guid ) {
+			handler.guid = jQuery.guid++;
+		}
+
+		// Init the element's event structure and main handler, if this is the first
+		if ( !( events = elemData.events ) ) {
+			events = elemData.events = {};
+		}
+		if ( !( eventHandle = elemData.handle ) ) {
+			eventHandle = elemData.handle = function( e ) {
+
+				// Discard the second event of a jQuery.event.trigger() and
+				// when an event is called after a page has unloaded
+				return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
+					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
+			};
+		}
+
+		// Handle multiple events separated by a space
+		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
+		t = types.length;
+		while ( t-- ) {
+			tmp = rtypenamespace.exec( types[ t ] ) || [];
+			type = origType = tmp[ 1 ];
+			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
+
+			// There *must* be a type, no attaching namespace-only handlers
+			if ( !type ) {
+				continue;
+			}
+
+			// If event changes its type, use the special event handlers for the changed type
+			special = jQuery.event.special[ type ] || {};
+
+			// If selector defined, determine special event api type, otherwise given type
+			type = ( selector ? special.delegateType : special.bindType ) || type;
+
+			// Update special based on newly reset type
+			special = jQuery.event.special[ type ] || {};
+
+			// handleObj is passed to all event handlers
+			handleObj = jQuery.extend( {
+				type: type,
+				origType: origType,
+				data: data,
+				handler: handler,
+				guid: handler.guid,
+				selector: selector,
+				needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
+				namespace: namespaces.join( "." )
+			}, handleObjIn );
+
+			// Init the event handler queue if we're the first
+			if ( !( handlers = events[ type ] ) ) {
+				handlers = events[ type ] = [];
+				handlers.delegateCount = 0;
+
+				// Only use addEventListener if the special events handler returns false
+				if ( !special.setup ||
+					special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
+
+					if ( elem.addEventListener ) {
+						elem.addEventListener( type, eventHandle );
+					}
+				}
+			}
+
+			if ( special.add ) {
+				special.add.call( elem, handleObj );
+
+				if ( !handleObj.handler.guid ) {
+					handleObj.handler.guid = handler.guid;
+				}
+			}
+
+			// Add to the element's handler list, delegates in front
+			if ( selector ) {
+				handlers.splice( handlers.delegateCount++, 0, handleObj );
+			} else {
+				handlers.push( handleObj );
+			}
+
+			// Keep track of which events have ever been used, for event optimization
+			jQuery.event.global[ type ] = true;
+		}
+
+	},
+
+	// Detach an event or set of events from an element
+	remove: function( elem, types, handler, selector, mappedTypes ) {
+
+		var j, origCount, tmp,
+			events, t, handleObj,
+			special, handlers, type, namespaces, origType,
+			elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
+
+		if ( !elemData || !( events = elemData.events ) ) {
+			return;
+		}
+
+		// Once for each type.namespace in types; type may be omitted
+		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
+		t = types.length;
+		while ( t-- ) {
+			tmp = rtypenamespace.exec( types[ t ] ) || [];
+			type = origType = tmp[ 1 ];
+			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
+
+			// Unbind all events (on this namespace, if provided) for the element
+			if ( !type ) {
+				for ( type in events ) {
+					jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
+				}
+				continue;
+			}
+
+			special = jQuery.event.special[ type ] || {};
+			type = ( selector ? special.delegateType : special.bindType ) || type;
+			handlers = events[ type ] || [];
+			tmp = tmp[ 2 ] &&
+				new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
+
+			// Remove matching events
+			origCount = j = handlers.length;
+			while ( j-- ) {
+				handleObj = handlers[ j ];
+
+				if ( ( mappedTypes || origType === handleObj.origType ) &&
+					( !handler || handler.guid === handleObj.guid ) &&
+					( !tmp || tmp.test( handleObj.namespace ) ) &&
+					( !selector || selector === handleObj.selector ||
+						selector === "**" && handleObj.selector ) ) {
+					handlers.splice( j, 1 );
+
+					if ( handleObj.selector ) {
+						handlers.delegateCount--;
+					}
+					if ( special.remove ) {
+						special.remove.call( elem, handleObj );
+					}
+				}
+			}
+
+			// Remove generic event handler if we removed something and no more handlers exist
+			// (avoids potential for endless recursion during removal of special event handlers)
+			if ( origCount && !handlers.length ) {
+				if ( !special.teardown ||
+					special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
+
+					jQuery.removeEvent( elem, type, elemData.handle );
+				}
+
+				delete events[ type ];
+			}
+		}
+
+		// Remove data and the expando if it's no longer used
+		if ( jQuery.isEmptyObject( events ) ) {
+			dataPriv.remove( elem, "handle events" );
+		}
+	},
+
+	dispatch: function( nativeEvent ) {
+
+		// Make a writable jQuery.Event from the native event object
+		var event = jQuery.event.fix( nativeEvent );
+
+		var i, j, ret, matched, handleObj, handlerQueue,
+			args = new Array( arguments.length ),
+			handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
+			special = jQuery.event.special[ event.type ] || {};
+
+		// Use the fix-ed jQuery.Event rather than the (read-only) native event
+		args[ 0 ] = event;
+
+		for ( i = 1; i < arguments.length; i++ ) {
+			args[ i ] = arguments[ i ];
+		}
+
+		event.delegateTarget = this;
+
+		// Call the preDispatch hook for the mapped type, and let it bail if desired
+		if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
+			return;
+		}
+
+		// Determine handlers
+		handlerQueue = jQuery.event.handlers.call( this, event, handlers );
+
+		// Run delegates first; they may want to stop propagation beneath us
+		i = 0;
+		while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
+			event.currentTarget = matched.elem;
+
+			j = 0;
+			while ( ( handleObj = matched.handlers[ j++ ] ) &&
+				!event.isImmediatePropagationStopped() ) {
+
+				// If the event is namespaced, then each handler is only invoked if it is
+				// specially universal or its namespaces are a superset of the event's.
+				if ( !event.rnamespace || handleObj.namespace === false ||
+					event.rnamespace.test( handleObj.namespace ) ) {
+
+					event.handleObj = handleObj;
+					event.data = handleObj.data;
+
+					ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
+						handleObj.handler ).apply( matched.elem, args );
+
+					if ( ret !== undefined ) {
+						if ( ( event.result = ret ) === false ) {
+							event.preventDefault();
+							event.stopPropagation();
+						}
+					}
+				}
+			}
+		}
+
+		// Call the postDispatch hook for the mapped type
+		if ( special.postDispatch ) {
+			special.postDispatch.call( this, event );
+		}
+
+		return event.result;
+	},
+
+	handlers: function( event, handlers ) {
+		var i, handleObj, sel, matchedHandlers, matchedSelectors,
+			handlerQueue = [],
+			delegateCount = handlers.delegateCount,
+			cur = event.target;
+
+		// Find delegate handlers
+		if ( delegateCount &&
+
+			// Support: IE <=9
+			// Black-hole SVG  instance trees (trac-13180)
+			cur.nodeType &&
+
+			// Support: Firefox <=42
+			// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
+			// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
+			// Support: IE 11 only
+			// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
+			!( event.type === "click" && event.button >= 1 ) ) {
+
+			for ( ; cur !== this; cur = cur.parentNode || this ) {
+
+				// Don't check non-elements (#13208)
+				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
+				if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
+					matchedHandlers = [];
+					matchedSelectors = {};
+					for ( i = 0; i < delegateCount; i++ ) {
+						handleObj = handlers[ i ];
+
+						// Don't conflict with Object.prototype properties (#13203)
+						sel = handleObj.selector + " ";
+
+						if ( matchedSelectors[ sel ] === undefined ) {
+							matchedSelectors[ sel ] = handleObj.needsContext ?
+								jQuery( sel, this ).index( cur ) > -1 :
+								jQuery.find( sel, this, null, [ cur ] ).length;
+						}
+						if ( matchedSelectors[ sel ] ) {
+							matchedHandlers.push( handleObj );
+						}
+					}
+					if ( matchedHandlers.length ) {
+						handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
+					}
+				}
+			}
+		}
+
+		// Add the remaining (directly-bound) handlers
+		cur = this;
+		if ( delegateCount < handlers.length ) {
+			handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
+		}
+
+		return handlerQueue;
+	},
+
+	addProp: function( name, hook ) {
+		Object.defineProperty( jQuery.Event.prototype, name, {
+			enumerable: true,
+			configurable: true,
+
+			get: isFunction( hook ) ?
+				function() {
+					if ( this.originalEvent ) {
+							return hook( this.originalEvent );
+					}
+				} :
+				function() {
+					if ( this.originalEvent ) {
+							return this.originalEvent[ name ];
+					}
+				},
+
+			set: function( value ) {
+				Object.defineProperty( this, name, {
+					enumerable: true,
+					configurable: true,
+					writable: true,
+					value: value
+				} );
+			}
+		} );
+	},
+
+	fix: function( originalEvent ) {
+		return originalEvent[ jQuery.expando ] ?
+			originalEvent :
+			new jQuery.Event( originalEvent );
+	},
+
+	special: {
+		load: {
+
+			// Prevent triggered image.load events from bubbling to window.load
+			noBubble: true
+		},
+		click: {
+
+			// Utilize native event to ensure correct state for checkable inputs
+			setup: function( data ) {
+
+				// For mutual compressibility with _default, replace `this` access with a local var.
+				// `|| data` is dead code meant only to preserve the variable through minification.
+				var el = this || data;
+
+				// Claim the first handler
+				if ( rcheckableType.test( el.type ) &&
+					el.click && nodeName( el, "input" ) ) {
+
+					// dataPriv.set( el, "click", ... )
+					leverageNative( el, "click", returnTrue );
+				}
+
+				// Return false to allow normal processing in the caller
+				return false;
+			},
+			trigger: function( data ) {
+
+				// For mutual compressibility with _default, replace `this` access with a local var.
+				// `|| data` is dead code meant only to preserve the variable through minification.
+				var el = this || data;
+
+				// Force setup before triggering a click
+				if ( rcheckableType.test( el.type ) &&
+					el.click && nodeName( el, "input" ) ) {
+
+					leverageNative( el, "click" );
+				}
+
+				// Return non-false to allow normal event-path propagation
+				return true;
+			},
+
+			// For cross-browser consistency, suppress native .click() on links
+			// Also prevent it if we're currently inside a leveraged native-event stack
+			_default: function( event ) {
+				var target = event.target;
+				return rcheckableType.test( target.type ) &&
+					target.click && nodeName( target, "input" ) &&
+					dataPriv.get( target, "click" ) ||
+					nodeName( target, "a" );
+			}
+		},
+
+		beforeunload: {
+			postDispatch: function( event ) {
+
+				// Support: Firefox 20+
+				// Firefox doesn't alert if the returnValue field is not set.
+				if ( event.result !== undefined && event.originalEvent ) {
+					event.originalEvent.returnValue = event.result;
+				}
+			}
+		}
+	}
+};
+
+// Ensure the presence of an event listener that handles manually-triggered
+// synthetic events by interrupting progress until reinvoked in response to
+// *native* events that it fires directly, ensuring that state changes have
+// already occurred before other listeners are invoked.
+function leverageNative( el, type, expectSync ) {
+
+	// Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
+	if ( !expectSync ) {
+		if ( dataPriv.get( el, type ) === undefined ) {
+			jQuery.event.add( el, type, returnTrue );
+		}
+		return;
+	}
+
+	// Register the controller as a special universal handler for all event namespaces
+	dataPriv.set( el, type, false );
+	jQuery.event.add( el, type, {
+		namespace: false,
+		handler: function( event ) {
+			var notAsync, result,
+				saved = dataPriv.get( this, type );
+
+			if ( ( event.isTrigger & 1 ) && this[ type ] ) {
+
+				// Interrupt processing of the outer synthetic .trigger()ed event
+				// Saved data should be false in such cases, but might be a leftover capture object
+				// from an async native handler (gh-4350)
+				if ( !saved.length ) {
+
+					// Store arguments for use when handling the inner native event
+					// There will always be at least one argument (an event object), so this array
+					// will not be confused with a leftover capture object.
+					saved = slice.call( arguments );
+					dataPriv.set( this, type, saved );
+
+					// Trigger the native event and capture its result
+					// Support: IE <=9 - 11+
+					// focus() and blur() are asynchronous
+					notAsync = expectSync( this, type );
+					this[ type ]();
+					result = dataPriv.get( this, type );
+					if ( saved !== result || notAsync ) {
+						dataPriv.set( this, type, false );
+					} else {
+						result = {};
+					}
+					if ( saved !== result ) {
+
+						// Cancel the outer synthetic event
+						event.stopImmediatePropagation();
+						event.preventDefault();
+						return result.value;
+					}
+
+				// If this is an inner synthetic event for an event with a bubbling surrogate
+				// (focus or blur), assume that the surrogate already propagated from triggering the
+				// native event and prevent that from happening again here.
+				// This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
+				// bubbling surrogate propagates *after* the non-bubbling base), but that seems
+				// less bad than duplication.
+				} else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
+					event.stopPropagation();
+				}
+
+			// If this is a native event triggered above, everything is now in order
+			// Fire an inner synthetic event with the original arguments
+			} else if ( saved.length ) {
+
+				// ...and capture the result
+				dataPriv.set( this, type, {
+					value: jQuery.event.trigger(
+
+						// Support: IE <=9 - 11+
+						// Extend with the prototype to reset the above stopImmediatePropagation()
+						jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
+						saved.slice( 1 ),
+						this
+					)
+				} );
+
+				// Abort handling of the native event
+				event.stopImmediatePropagation();
+			}
+		}
+	} );
+}
+
+jQuery.removeEvent = function( elem, type, handle ) {
+
+	// This "if" is needed for plain objects
+	if ( elem.removeEventListener ) {
+		elem.removeEventListener( type, handle );
+	}
+};
+
+jQuery.Event = function( src, props ) {
+
+	// Allow instantiation without the 'new' keyword
+	if ( !( this instanceof jQuery.Event ) ) {
+		return new jQuery.Event( src, props );
+	}
+
+	// Event object
+	if ( src && src.type ) {
+		this.originalEvent = src;
+		this.type = src.type;
+
+		// Events bubbling up the document may have been marked as prevented
+		// by a handler lower down the tree; reflect the correct value.
+		this.isDefaultPrevented = src.defaultPrevented ||
+				src.defaultPrevented === undefined &&
+
+				// Support: Android <=2.3 only
+				src.returnValue === false ?
+			returnTrue :
+			returnFalse;
+
+		// Create target properties
+		// Support: Safari <=6 - 7 only
+		// Target should not be a text node (#504, #13143)
+		this.target = ( src.target && src.target.nodeType === 3 ) ?
+			src.target.parentNode :
+			src.target;
+
+		this.currentTarget = src.currentTarget;
+		this.relatedTarget = src.relatedTarget;
+
+	// Event type
+	} else {
+		this.type = src;
+	}
+
+	// Put explicitly provided properties onto the event object
+	if ( props ) {
+		jQuery.extend( this, props );
+	}
+
+	// Create a timestamp if incoming event doesn't have one
+	this.timeStamp = src && src.timeStamp || Date.now();
+
+	// Mark it as fixed
+	this[ jQuery.expando ] = true;
+};
+
+// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
+// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
+jQuery.Event.prototype = {
+	constructor: jQuery.Event,
+	isDefaultPrevented: returnFalse,
+	isPropagationStopped: returnFalse,
+	isImmediatePropagationStopped: returnFalse,
+	isSimulated: false,
+
+	preventDefault: function() {
+		var e = this.originalEvent;
+
+		this.isDefaultPrevented = returnTrue;
+
+		if ( e && !this.isSimulated ) {
+			e.preventDefault();
+		}
+	},
+	stopPropagation: function() {
+		var e = this.originalEvent;
+
+		this.isPropagationStopped = returnTrue;
+
+		if ( e && !this.isSimulated ) {
+			e.stopPropagation();
+		}
+	},
+	stopImmediatePropagation: function() {
+		var e = this.originalEvent;
+
+		this.isImmediatePropagationStopped = returnTrue;
+
+		if ( e && !this.isSimulated ) {
+			e.stopImmediatePropagation();
+		}
+
+		this.stopPropagation();
+	}
+};
+
+// Includes all common event props including KeyEvent and MouseEvent specific props
+jQuery.each( {
+	altKey: true,
+	bubbles: true,
+	cancelable: true,
+	changedTouches: true,
+	ctrlKey: true,
+	detail: true,
+	eventPhase: true,
+	metaKey: true,
+	pageX: true,
+	pageY: true,
+	shiftKey: true,
+	view: true,
+	"char": true,
+	code: true,
+	charCode: true,
+	key: true,
+	keyCode: true,
+	button: true,
+	buttons: true,
+	clientX: true,
+	clientY: true,
+	offsetX: true,
+	offsetY: true,
+	pointerId: true,
+	pointerType: true,
+	screenX: true,
+	screenY: true,
+	targetTouches: true,
+	toElement: true,
+	touches: true,
+
+	which: function( event ) {
+		var button = event.button;
+
+		// Add which for key events
+		if ( event.which == null && rkeyEvent.test( event.type ) ) {
+			return event.charCode != null ? event.charCode : event.keyCode;
+		}
+
+		// Add which for click: 1 === left; 2 === middle; 3 === right
+		if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
+			if ( button & 1 ) {
+				return 1;
+			}
+
+			if ( button & 2 ) {
+				return 3;
+			}
+
+			if ( button & 4 ) {
+				return 2;
+			}
+
+			return 0;
+		}
+
+		return event.which;
+	}
+}, jQuery.event.addProp );
+
+jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
+	jQuery.event.special[ type ] = {
+
+		// Utilize native event if possible so blur/focus sequence is correct
+		setup: function() {
+
+			// Claim the first handler
+			// dataPriv.set( this, "focus", ... )
+			// dataPriv.set( this, "blur", ... )
+			leverageNative( this, type, expectSync );
+
+			// Return false to allow normal processing in the caller
+			return false;
+		},
+		trigger: function() {
+
+			// Force setup before trigger
+			leverageNative( this, type );
+
+			// Return non-false to allow normal event-path propagation
+			return true;
+		},
+
+		delegateType: delegateType
+	};
+} );
+
+// Create mouseenter/leave events using mouseover/out and event-time checks
+// so that event delegation works in jQuery.
+// Do the same for pointerenter/pointerleave and pointerover/pointerout
+//
+// Support: Safari 7 only
+// Safari sends mouseenter too often; see:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
+// for the description of the bug (it existed in older Chrome versions as well).
+jQuery.each( {
+	mouseenter: "mouseover",
+	mouseleave: "mouseout",
+	pointerenter: "pointerover",
+	pointerleave: "pointerout"
+}, function( orig, fix ) {
+	jQuery.event.special[ orig ] = {
+		delegateType: fix,
+		bindType: fix,
+
+		handle: function( event ) {
+			var ret,
+				target = this,
+				related = event.relatedTarget,
+				handleObj = event.handleObj;
+
+			// For mouseenter/leave call the handler if related is outside the target.
+			// NB: No relatedTarget if the mouse left/entered the browser window
+			if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
+				event.type = handleObj.origType;
+				ret = handleObj.handler.apply( this, arguments );
+				event.type = fix;
+			}
+			return ret;
+		}
+	};
+} );
+
+jQuery.fn.extend( {
+
+	on: function( types, selector, data, fn ) {
+		return on( this, types, selector, data, fn );
+	},
+	one: function( types, selector, data, fn ) {
+		return on( this, types, selector, data, fn, 1 );
+	},
+	off: function( types, selector, fn ) {
+		var handleObj, type;
+		if ( types && types.preventDefault && types.handleObj ) {
+
+			// ( event )  dispatched jQuery.Event
+			handleObj = types.handleObj;
+			jQuery( types.delegateTarget ).off(
+				handleObj.namespace ?
+					handleObj.origType + "." + handleObj.namespace :
+					handleObj.origType,
+				handleObj.selector,
+				handleObj.handler
+			);
+			return this;
+		}
+		if ( typeof types === "object" ) {
+
+			// ( types-object [, selector] )
+			for ( type in types ) {
+				this.off( type, selector, types[ type ] );
+			}
+			return this;
+		}
+		if ( selector === false || typeof selector === "function" ) {
+
+			// ( types [, fn] )
+			fn = selector;
+			selector = undefined;
+		}
+		if ( fn === false ) {
+			fn = returnFalse;
+		}
+		return this.each( function() {
+			jQuery.event.remove( this, types, fn, selector );
+		} );
+	}
+} );
+
+
+var
+
+	/* eslint-disable max-len */
+
+	// See https://github.com/eslint/eslint/issues/3229
+	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
+
+	/* eslint-enable */
+
+	// Support: IE <=10 - 11, Edge 12 - 13 only
+	// In IE/Edge using regex groups here causes severe slowdowns.
+	// See https://connect.microsoft.com/IE/feedback/details/1736512/
+	rnoInnerhtml = /\s*$/g;
+
+// Prefer a tbody over its parent table for containing new rows
+function manipulationTarget( elem, content ) {
+	if ( nodeName( elem, "table" ) &&
+		nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
+
+		return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
+	}
+
+	return elem;
+}
+
+// Replace/restore the type attribute of script elements for safe DOM manipulation
+function disableScript( elem ) {
+	elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
+	return elem;
+}
+function restoreScript( elem ) {
+	if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
+		elem.type = elem.type.slice( 5 );
+	} else {
+		elem.removeAttribute( "type" );
+	}
+
+	return elem;
+}
+
+function cloneCopyEvent( src, dest ) {
+	var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
+
+	if ( dest.nodeType !== 1 ) {
+		return;
+	}
+
+	// 1. Copy private data: events, handlers, etc.
+	if ( dataPriv.hasData( src ) ) {
+		pdataOld = dataPriv.access( src );
+		pdataCur = dataPriv.set( dest, pdataOld );
+		events = pdataOld.events;
+
+		if ( events ) {
+			delete pdataCur.handle;
+			pdataCur.events = {};
+
+			for ( type in events ) {
+				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
+					jQuery.event.add( dest, type, events[ type ][ i ] );
+				}
+			}
+		}
+	}
+
+	// 2. Copy user data
+	if ( dataUser.hasData( src ) ) {
+		udataOld = dataUser.access( src );
+		udataCur = jQuery.extend( {}, udataOld );
+
+		dataUser.set( dest, udataCur );
+	}
+}
+
+// Fix IE bugs, see support tests
+function fixInput( src, dest ) {
+	var nodeName = dest.nodeName.toLowerCase();
+
+	// Fails to persist the checked state of a cloned checkbox or radio button.
+	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
+		dest.checked = src.checked;
+
+	// Fails to return the selected option to the default selected state when cloning options
+	} else if ( nodeName === "input" || nodeName === "textarea" ) {
+		dest.defaultValue = src.defaultValue;
+	}
+}
+
+function domManip( collection, args, callback, ignored ) {
+
+	// Flatten any nested arrays
+	args = concat.apply( [], args );
+
+	var fragment, first, scripts, hasScripts, node, doc,
+		i = 0,
+		l = collection.length,
+		iNoClone = l - 1,
+		value = args[ 0 ],
+		valueIsFunction = isFunction( value );
+
+	// We can't cloneNode fragments that contain checked, in WebKit
+	if ( valueIsFunction ||
+			( l > 1 && typeof value === "string" &&
+				!support.checkClone && rchecked.test( value ) ) ) {
+		return collection.each( function( index ) {
+			var self = collection.eq( index );
+			if ( valueIsFunction ) {
+				args[ 0 ] = value.call( this, index, self.html() );
+			}
+			domManip( self, args, callback, ignored );
+		} );
+	}
+
+	if ( l ) {
+		fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
+		first = fragment.firstChild;
+
+		if ( fragment.childNodes.length === 1 ) {
+			fragment = first;
+		}
+
+		// Require either new content or an interest in ignored elements to invoke the callback
+		if ( first || ignored ) {
+			scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
+			hasScripts = scripts.length;
+
+			// Use the original fragment for the last item
+			// instead of the first because it can end up
+			// being emptied incorrectly in certain situations (#8070).
+			for ( ; i < l; i++ ) {
+				node = fragment;
+
+				if ( i !== iNoClone ) {
+					node = jQuery.clone( node, true, true );
+
+					// Keep references to cloned scripts for later restoration
+					if ( hasScripts ) {
+
+						// Support: Android <=4.0 only, PhantomJS 1 only
+						// push.apply(_, arraylike) throws on ancient WebKit
+						jQuery.merge( scripts, getAll( node, "script" ) );
+					}
+				}
+
+				callback.call( collection[ i ], node, i );
+			}
+
+			if ( hasScripts ) {
+				doc = scripts[ scripts.length - 1 ].ownerDocument;
+
+				// Reenable scripts
+				jQuery.map( scripts, restoreScript );
+
+				// Evaluate executable scripts on first document insertion
+				for ( i = 0; i < hasScripts; i++ ) {
+					node = scripts[ i ];
+					if ( rscriptType.test( node.type || "" ) &&
+						!dataPriv.access( node, "globalEval" ) &&
+						jQuery.contains( doc, node ) ) {
+
+						if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
+
+							// Optional AJAX dependency, but won't run scripts if not present
+							if ( jQuery._evalUrl && !node.noModule ) {
+								jQuery._evalUrl( node.src, {
+									nonce: node.nonce || node.getAttribute( "nonce" )
+								} );
+							}
+						} else {
+							DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return collection;
+}
+
+function remove( elem, selector, keepData ) {
+	var node,
+		nodes = selector ? jQuery.filter( selector, elem ) : elem,
+		i = 0;
+
+	for ( ; ( node = nodes[ i ] ) != null; i++ ) {
+		if ( !keepData && node.nodeType === 1 ) {
+			jQuery.cleanData( getAll( node ) );
+		}
+
+		if ( node.parentNode ) {
+			if ( keepData && isAttached( node ) ) {
+				setGlobalEval( getAll( node, "script" ) );
+			}
+			node.parentNode.removeChild( node );
+		}
+	}
+
+	return elem;
+}
+
+jQuery.extend( {
+	htmlPrefilter: function( html ) {
+		return html.replace( rxhtmlTag, "<$1>" );
+	},
+
+	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
+		var i, l, srcElements, destElements,
+			clone = elem.cloneNode( true ),
+			inPage = isAttached( elem );
+
+		// Fix IE cloning issues
+		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
+				!jQuery.isXMLDoc( elem ) ) {
+
+			// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
+			destElements = getAll( clone );
+			srcElements = getAll( elem );
+
+			for ( i = 0, l = srcElements.length; i < l; i++ ) {
+				fixInput( srcElements[ i ], destElements[ i ] );
+			}
+		}
+
+		// Copy the events from the original to the clone
+		if ( dataAndEvents ) {
+			if ( deepDataAndEvents ) {
+				srcElements = srcElements || getAll( elem );
+				destElements = destElements || getAll( clone );
+
+				for ( i = 0, l = srcElements.length; i < l; i++ ) {
+					cloneCopyEvent( srcElements[ i ], destElements[ i ] );
+				}
+			} else {
+				cloneCopyEvent( elem, clone );
+			}
+		}
+
+		// Preserve script evaluation history
+		destElements = getAll( clone, "script" );
+		if ( destElements.length > 0 ) {
+			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
+		}
+
+		// Return the cloned set
+		return clone;
+	},
+
+	cleanData: function( elems ) {
+		var data, elem, type,
+			special = jQuery.event.special,
+			i = 0;
+
+		for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
+			if ( acceptData( elem ) ) {
+				if ( ( data = elem[ dataPriv.expando ] ) ) {
+					if ( data.events ) {
+						for ( type in data.events ) {
+							if ( special[ type ] ) {
+								jQuery.event.remove( elem, type );
+
+							// This is a shortcut to avoid jQuery.event.remove's overhead
+							} else {
+								jQuery.removeEvent( elem, type, data.handle );
+							}
+						}
+					}
+
+					// Support: Chrome <=35 - 45+
+					// Assign undefined instead of using delete, see Data#remove
+					elem[ dataPriv.expando ] = undefined;
+				}
+				if ( elem[ dataUser.expando ] ) {
+
+					// Support: Chrome <=35 - 45+
+					// Assign undefined instead of using delete, see Data#remove
+					elem[ dataUser.expando ] = undefined;
+				}
+			}
+		}
+	}
+} );
+
+jQuery.fn.extend( {
+	detach: function( selector ) {
+		return remove( this, selector, true );
+	},
+
+	remove: function( selector ) {
+		return remove( this, selector );
+	},
+
+	text: function( value ) {
+		return access( this, function( value ) {
+			return value === undefined ?
+				jQuery.text( this ) :
+				this.empty().each( function() {
+					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+						this.textContent = value;
+					}
+				} );
+		}, null, value, arguments.length );
+	},
+
+	append: function() {
+		return domManip( this, arguments, function( elem ) {
+			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+				var target = manipulationTarget( this, elem );
+				target.appendChild( elem );
+			}
+		} );
+	},
+
+	prepend: function() {
+		return domManip( this, arguments, function( elem ) {
+			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+				var target = manipulationTarget( this, elem );
+				target.insertBefore( elem, target.firstChild );
+			}
+		} );
+	},
+
+	before: function() {
+		return domManip( this, arguments, function( elem ) {
+			if ( this.parentNode ) {
+				this.parentNode.insertBefore( elem, this );
+			}
+		} );
+	},
+
+	after: function() {
+		return domManip( this, arguments, function( elem ) {
+			if ( this.parentNode ) {
+				this.parentNode.insertBefore( elem, this.nextSibling );
+			}
+		} );
+	},
+
+	empty: function() {
+		var elem,
+			i = 0;
+
+		for ( ; ( elem = this[ i ] ) != null; i++ ) {
+			if ( elem.nodeType === 1 ) {
+
+				// Prevent memory leaks
+				jQuery.cleanData( getAll( elem, false ) );
+
+				// Remove any remaining nodes
+				elem.textContent = "";
+			}
+		}
+
+		return this;
+	},
+
+	clone: function( dataAndEvents, deepDataAndEvents ) {
+		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
+		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
+
+		return this.map( function() {
+			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
+		} );
+	},
+
+	html: function( value ) {
+		return access( this, function( value ) {
+			var elem = this[ 0 ] || {},
+				i = 0,
+				l = this.length;
+
+			if ( value === undefined && elem.nodeType === 1 ) {
+				return elem.innerHTML;
+			}
+
+			// See if we can take a shortcut and just use innerHTML
+			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
+				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
+
+				value = jQuery.htmlPrefilter( value );
+
+				try {
+					for ( ; i < l; i++ ) {
+						elem = this[ i ] || {};
+
+						// Remove element nodes and prevent memory leaks
+						if ( elem.nodeType === 1 ) {
+							jQuery.cleanData( getAll( elem, false ) );
+							elem.innerHTML = value;
+						}
+					}
+
+					elem = 0;
+
+				// If using innerHTML throws an exception, use the fallback method
+				} catch ( e ) {}
+			}
+
+			if ( elem ) {
+				this.empty().append( value );
+			}
+		}, null, value, arguments.length );
+	},
+
+	replaceWith: function() {
+		var ignored = [];
+
+		// Make the changes, replacing each non-ignored context element with the new content
+		return domManip( this, arguments, function( elem ) {
+			var parent = this.parentNode;
+
+			if ( jQuery.inArray( this, ignored ) < 0 ) {
+				jQuery.cleanData( getAll( this ) );
+				if ( parent ) {
+					parent.replaceChild( elem, this );
+				}
+			}
+
+		// Force callback invocation
+		}, ignored );
+	}
+} );
+
+jQuery.each( {
+	appendTo: "append",
+	prependTo: "prepend",
+	insertBefore: "before",
+	insertAfter: "after",
+	replaceAll: "replaceWith"
+}, function( name, original ) {
+	jQuery.fn[ name ] = function( selector ) {
+		var elems,
+			ret = [],
+			insert = jQuery( selector ),
+			last = insert.length - 1,
+			i = 0;
+
+		for ( ; i <= last; i++ ) {
+			elems = i === last ? this : this.clone( true );
+			jQuery( insert[ i ] )[ original ]( elems );
+
+			// Support: Android <=4.0 only, PhantomJS 1 only
+			// .get() because push.apply(_, arraylike) throws on ancient WebKit
+			push.apply( ret, elems.get() );
+		}
+
+		return this.pushStack( ret );
+	};
+} );
+var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
+
+var getStyles = function( elem ) {
+
+		// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
+		// IE throws on elements created in popups
+		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
+		var view = elem.ownerDocument.defaultView;
+
+		if ( !view || !view.opener ) {
+			view = window;
+		}
+
+		return view.getComputedStyle( elem );
+	};
+
+var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
+
+
+
+( function() {
+
+	// Executing both pixelPosition & boxSizingReliable tests require only one layout
+	// so they're executed at the same time to save the second computation.
+	function computeStyleTests() {
+
+		// This is a singleton, we need to execute it only once
+		if ( !div ) {
+			return;
+		}
+
+		container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
+			"margin-top:1px;padding:0;border:0";
+		div.style.cssText =
+			"position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
+			"margin:auto;border:1px;padding:1px;" +
+			"width:60%;top:1%";
+		documentElement.appendChild( container ).appendChild( div );
+
+		var divStyle = window.getComputedStyle( div );
+		pixelPositionVal = divStyle.top !== "1%";
+
+		// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
+		reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
+
+		// Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
+		// Some styles come back with percentage values, even though they shouldn't
+		div.style.right = "60%";
+		pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
+
+		// Support: IE 9 - 11 only
+		// Detect misreporting of content dimensions for box-sizing:border-box elements
+		boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
+
+		// Support: IE 9 only
+		// Detect overflow:scroll screwiness (gh-3699)
+		// Support: Chrome <=64
+		// Don't get tricked when zoom affects offsetWidth (gh-4029)
+		div.style.position = "absolute";
+		scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
+
+		documentElement.removeChild( container );
+
+		// Nullify the div so it wouldn't be stored in the memory and
+		// it will also be a sign that checks already performed
+		div = null;
+	}
+
+	function roundPixelMeasures( measure ) {
+		return Math.round( parseFloat( measure ) );
+	}
+
+	var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
+		reliableMarginLeftVal,
+		container = document.createElement( "div" ),
+		div = document.createElement( "div" );
+
+	// Finish early in limited (non-browser) environments
+	if ( !div.style ) {
+		return;
+	}
+
+	// Support: IE <=9 - 11 only
+	// Style of cloned element affects source element cloned (#8908)
+	div.style.backgroundClip = "content-box";
+	div.cloneNode( true ).style.backgroundClip = "";
+	support.clearCloneStyle = div.style.backgroundClip === "content-box";
+
+	jQuery.extend( support, {
+		boxSizingReliable: function() {
+			computeStyleTests();
+			return boxSizingReliableVal;
+		},
+		pixelBoxStyles: function() {
+			computeStyleTests();
+			return pixelBoxStylesVal;
+		},
+		pixelPosition: function() {
+			computeStyleTests();
+			return pixelPositionVal;
+		},
+		reliableMarginLeft: function() {
+			computeStyleTests();
+			return reliableMarginLeftVal;
+		},
+		scrollboxSize: function() {
+			computeStyleTests();
+			return scrollboxSizeVal;
+		}
+	} );
+} )();
+
+
+function curCSS( elem, name, computed ) {
+	var width, minWidth, maxWidth, ret,
+
+		// Support: Firefox 51+
+		// Retrieving style before computed somehow
+		// fixes an issue with getting wrong values
+		// on detached elements
+		style = elem.style;
+
+	computed = computed || getStyles( elem );
+
+	// getPropertyValue is needed for:
+	//   .css('filter') (IE 9 only, #12537)
+	//   .css('--customProperty) (#3144)
+	if ( computed ) {
+		ret = computed.getPropertyValue( name ) || computed[ name ];
+
+		if ( ret === "" && !isAttached( elem ) ) {
+			ret = jQuery.style( elem, name );
+		}
+
+		// A tribute to the "awesome hack by Dean Edwards"
+		// Android Browser returns percentage for some values,
+		// but width seems to be reliably pixels.
+		// This is against the CSSOM draft spec:
+		// https://drafts.csswg.org/cssom/#resolved-values
+		if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
+
+			// Remember the original values
+			width = style.width;
+			minWidth = style.minWidth;
+			maxWidth = style.maxWidth;
+
+			// Put in the new values to get a computed value out
+			style.minWidth = style.maxWidth = style.width = ret;
+			ret = computed.width;
+
+			// Revert the changed values
+			style.width = width;
+			style.minWidth = minWidth;
+			style.maxWidth = maxWidth;
+		}
+	}
+
+	return ret !== undefined ?
+
+		// Support: IE <=9 - 11 only
+		// IE returns zIndex value as an integer.
+		ret + "" :
+		ret;
+}
+
+
+function addGetHookIf( conditionFn, hookFn ) {
+
+	// Define the hook, we'll check on the first run if it's really needed.
+	return {
+		get: function() {
+			if ( conditionFn() ) {
+
+				// Hook not needed (or it's not possible to use it due
+				// to missing dependency), remove it.
+				delete this.get;
+				return;
+			}
+
+			// Hook needed; redefine it so that the support test is not executed again.
+			return ( this.get = hookFn ).apply( this, arguments );
+		}
+	};
+}
+
+
+var cssPrefixes = [ "Webkit", "Moz", "ms" ],
+	emptyStyle = document.createElement( "div" ).style,
+	vendorProps = {};
+
+// Return a vendor-prefixed property or undefined
+function vendorPropName( name ) {
+
+	// Check for vendor prefixed names
+	var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
+		i = cssPrefixes.length;
+
+	while ( i-- ) {
+		name = cssPrefixes[ i ] + capName;
+		if ( name in emptyStyle ) {
+			return name;
+		}
+	}
+}
+
+// Return a potentially-mapped jQuery.cssProps or vendor prefixed property
+function finalPropName( name ) {
+	var final = jQuery.cssProps[ name ] || vendorProps[ name ];
+
+	if ( final ) {
+		return final;
+	}
+	if ( name in emptyStyle ) {
+		return name;
+	}
+	return vendorProps[ name ] = vendorPropName( name ) || name;
+}
+
+
+var
+
+	// Swappable if display is none or starts with table
+	// except "table", "table-cell", or "table-caption"
+	// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
+	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
+	rcustomProp = /^--/,
+	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
+	cssNormalTransform = {
+		letterSpacing: "0",
+		fontWeight: "400"
+	};
+
+function setPositiveNumber( elem, value, subtract ) {
+
+	// Any relative (+/-) values have already been
+	// normalized at this point
+	var matches = rcssNum.exec( value );
+	return matches ?
+
+		// Guard against undefined "subtract", e.g., when used as in cssHooks
+		Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
+		value;
+}
+
+function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
+	var i = dimension === "width" ? 1 : 0,
+		extra = 0,
+		delta = 0;
+
+	// Adjustment may not be necessary
+	if ( box === ( isBorderBox ? "border" : "content" ) ) {
+		return 0;
+	}
+
+	for ( ; i < 4; i += 2 ) {
+
+		// Both box models exclude margin
+		if ( box === "margin" ) {
+			delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
+		}
+
+		// If we get here with a content-box, we're seeking "padding" or "border" or "margin"
+		if ( !isBorderBox ) {
+
+			// Add padding
+			delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+
+			// For "border" or "margin", add border
+			if ( box !== "padding" ) {
+				delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+
+			// But still keep track of it otherwise
+			} else {
+				extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+			}
+
+		// If we get here with a border-box (content + padding + border), we're seeking "content" or
+		// "padding" or "margin"
+		} else {
+
+			// For "content", subtract padding
+			if ( box === "content" ) {
+				delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+			}
+
+			// For "content" or "padding", subtract border
+			if ( box !== "margin" ) {
+				delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+			}
+		}
+	}
+
+	// Account for positive content-box scroll gutter when requested by providing computedVal
+	if ( !isBorderBox && computedVal >= 0 ) {
+
+		// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
+		// Assuming integer scroll gutter, subtract the rest and round down
+		delta += Math.max( 0, Math.ceil(
+			elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
+			computedVal -
+			delta -
+			extra -
+			0.5
+
+		// If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
+		// Use an explicit zero to avoid NaN (gh-3964)
+		) ) || 0;
+	}
+
+	return delta;
+}
+
+function getWidthOrHeight( elem, dimension, extra ) {
+
+	// Start with computed style
+	var styles = getStyles( elem ),
+
+		// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
+		// Fake content-box until we know it's needed to know the true value.
+		boxSizingNeeded = !support.boxSizingReliable() || extra,
+		isBorderBox = boxSizingNeeded &&
+			jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
+		valueIsBorderBox = isBorderBox,
+
+		val = curCSS( elem, dimension, styles ),
+		offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
+
+	// Support: Firefox <=54
+	// Return a confounding non-pixel value or feign ignorance, as appropriate.
+	if ( rnumnonpx.test( val ) ) {
+		if ( !extra ) {
+			return val;
+		}
+		val = "auto";
+	}
+
+
+	// Fall back to offsetWidth/offsetHeight when value is "auto"
+	// This happens for inline elements with no explicit setting (gh-3571)
+	// Support: Android <=4.1 - 4.3 only
+	// Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
+	// Support: IE 9-11 only
+	// Also use offsetWidth/offsetHeight for when box sizing is unreliable
+	// We use getClientRects() to check for hidden/disconnected.
+	// In those cases, the computed value can be trusted to be border-box
+	if ( ( !support.boxSizingReliable() && isBorderBox ||
+		val === "auto" ||
+		!parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
+		elem.getClientRects().length ) {
+
+		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
+
+		// Where available, offsetWidth/offsetHeight approximate border box dimensions.
+		// Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
+		// retrieved value as a content box dimension.
+		valueIsBorderBox = offsetProp in elem;
+		if ( valueIsBorderBox ) {
+			val = elem[ offsetProp ];
+		}
+	}
+
+	// Normalize "" and auto
+	val = parseFloat( val ) || 0;
+
+	// Adjust for the element's box model
+	return ( val +
+		boxModelAdjustment(
+			elem,
+			dimension,
+			extra || ( isBorderBox ? "border" : "content" ),
+			valueIsBorderBox,
+			styles,
+
+			// Provide the current computed size to request scroll gutter calculation (gh-3589)
+			val
+		)
+	) + "px";
+}
+
+jQuery.extend( {
+
+	// Add in style property hooks for overriding the default
+	// behavior of getting and setting a style property
+	cssHooks: {
+		opacity: {
+			get: function( elem, computed ) {
+				if ( computed ) {
+
+					// We should always get a number back from opacity
+					var ret = curCSS( elem, "opacity" );
+					return ret === "" ? "1" : ret;
+				}
+			}
+		}
+	},
+
+	// Don't automatically add "px" to these possibly-unitless properties
+	cssNumber: {
+		"animationIterationCount": true,
+		"columnCount": true,
+		"fillOpacity": true,
+		"flexGrow": true,
+		"flexShrink": true,
+		"fontWeight": true,
+		"gridArea": true,
+		"gridColumn": true,
+		"gridColumnEnd": true,
+		"gridColumnStart": true,
+		"gridRow": true,
+		"gridRowEnd": true,
+		"gridRowStart": true,
+		"lineHeight": true,
+		"opacity": true,
+		"order": true,
+		"orphans": true,
+		"widows": true,
+		"zIndex": true,
+		"zoom": true
+	},
+
+	// Add in properties whose names you wish to fix before
+	// setting or getting the value
+	cssProps: {},
+
+	// Get and set the style property on a DOM Node
+	style: function( elem, name, value, extra ) {
+
+		// Don't set styles on text and comment nodes
+		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
+			return;
+		}
+
+		// Make sure that we're working with the right name
+		var ret, type, hooks,
+			origName = camelCase( name ),
+			isCustomProp = rcustomProp.test( name ),
+			style = elem.style;
+
+		// Make sure that we're working with the right name. We don't
+		// want to query the value if it is a CSS custom property
+		// since they are user-defined.
+		if ( !isCustomProp ) {
+			name = finalPropName( origName );
+		}
+
+		// Gets hook for the prefixed version, then unprefixed version
+		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
+
+		// Check if we're setting a value
+		if ( value !== undefined ) {
+			type = typeof value;
+
+			// Convert "+=" or "-=" to relative numbers (#7345)
+			if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
+				value = adjustCSS( elem, name, ret );
+
+				// Fixes bug #9237
+				type = "number";
+			}
+
+			// Make sure that null and NaN values aren't set (#7116)
+			if ( value == null || value !== value ) {
+				return;
+			}
+
+			// If a number was passed in, add the unit (except for certain CSS properties)
+			// The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
+			// "px" to a few hardcoded values.
+			if ( type === "number" && !isCustomProp ) {
+				value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
+			}
+
+			// background-* props affect original clone's values
+			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
+				style[ name ] = "inherit";
+			}
+
+			// If a hook was provided, use that value, otherwise just set the specified value
+			if ( !hooks || !( "set" in hooks ) ||
+				( value = hooks.set( elem, value, extra ) ) !== undefined ) {
+
+				if ( isCustomProp ) {
+					style.setProperty( name, value );
+				} else {
+					style[ name ] = value;
+				}
+			}
+
+		} else {
+
+			// If a hook was provided get the non-computed value from there
+			if ( hooks && "get" in hooks &&
+				( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
+
+				return ret;
+			}
+
+			// Otherwise just get the value from the style object
+			return style[ name ];
+		}
+	},
+
+	css: function( elem, name, extra, styles ) {
+		var val, num, hooks,
+			origName = camelCase( name ),
+			isCustomProp = rcustomProp.test( name );
+
+		// Make sure that we're working with the right name. We don't
+		// want to modify the value if it is a CSS custom property
+		// since they are user-defined.
+		if ( !isCustomProp ) {
+			name = finalPropName( origName );
+		}
+
+		// Try prefixed name followed by the unprefixed name
+		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
+
+		// If a hook was provided get the computed value from there
+		if ( hooks && "get" in hooks ) {
+			val = hooks.get( elem, true, extra );
+		}
+
+		// Otherwise, if a way to get the computed value exists, use that
+		if ( val === undefined ) {
+			val = curCSS( elem, name, styles );
+		}
+
+		// Convert "normal" to computed value
+		if ( val === "normal" && name in cssNormalTransform ) {
+			val = cssNormalTransform[ name ];
+		}
+
+		// Make numeric if forced or a qualifier was provided and val looks numeric
+		if ( extra === "" || extra ) {
+			num = parseFloat( val );
+			return extra === true || isFinite( num ) ? num || 0 : val;
+		}
+
+		return val;
+	}
+} );
+
+jQuery.each( [ "height", "width" ], function( i, dimension ) {
+	jQuery.cssHooks[ dimension ] = {
+		get: function( elem, computed, extra ) {
+			if ( computed ) {
+
+				// Certain elements can have dimension info if we invisibly show them
+				// but it must have a current display style that would benefit
+				return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
+
+					// Support: Safari 8+
+					// Table columns in Safari have non-zero offsetWidth & zero
+					// getBoundingClientRect().width unless display is changed.
+					// Support: IE <=11 only
+					// Running getBoundingClientRect on a disconnected node
+					// in IE throws an error.
+					( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
+						swap( elem, cssShow, function() {
+							return getWidthOrHeight( elem, dimension, extra );
+						} ) :
+						getWidthOrHeight( elem, dimension, extra );
+			}
+		},
+
+		set: function( elem, value, extra ) {
+			var matches,
+				styles = getStyles( elem ),
+
+				// Only read styles.position if the test has a chance to fail
+				// to avoid forcing a reflow.
+				scrollboxSizeBuggy = !support.scrollboxSize() &&
+					styles.position === "absolute",
+
+				// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
+				boxSizingNeeded = scrollboxSizeBuggy || extra,
+				isBorderBox = boxSizingNeeded &&
+					jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
+				subtract = extra ?
+					boxModelAdjustment(
+						elem,
+						dimension,
+						extra,
+						isBorderBox,
+						styles
+					) :
+					0;
+
+			// Account for unreliable border-box dimensions by comparing offset* to computed and
+			// faking a content-box to get border and padding (gh-3699)
+			if ( isBorderBox && scrollboxSizeBuggy ) {
+				subtract -= Math.ceil(
+					elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
+					parseFloat( styles[ dimension ] ) -
+					boxModelAdjustment( elem, dimension, "border", false, styles ) -
+					0.5
+				);
+			}
+
+			// Convert to pixels if value adjustment is needed
+			if ( subtract && ( matches = rcssNum.exec( value ) ) &&
+				( matches[ 3 ] || "px" ) !== "px" ) {
+
+				elem.style[ dimension ] = value;
+				value = jQuery.css( elem, dimension );
+			}
+
+			return setPositiveNumber( elem, value, subtract );
+		}
+	};
+} );
+
+jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
+	function( elem, computed ) {
+		if ( computed ) {
+			return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
+				elem.getBoundingClientRect().left -
+					swap( elem, { marginLeft: 0 }, function() {
+						return elem.getBoundingClientRect().left;
+					} )
+				) + "px";
+		}
+	}
+);
+
+// These hooks are used by animate to expand properties
+jQuery.each( {
+	margin: "",
+	padding: "",
+	border: "Width"
+}, function( prefix, suffix ) {
+	jQuery.cssHooks[ prefix + suffix ] = {
+		expand: function( value ) {
+			var i = 0,
+				expanded = {},
+
+				// Assumes a single number if not a string
+				parts = typeof value === "string" ? value.split( " " ) : [ value ];
+
+			for ( ; i < 4; i++ ) {
+				expanded[ prefix + cssExpand[ i ] + suffix ] =
+					parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
+			}
+
+			return expanded;
+		}
+	};
+
+	if ( prefix !== "margin" ) {
+		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
+	}
+} );
+
+jQuery.fn.extend( {
+	css: function( name, value ) {
+		return access( this, function( elem, name, value ) {
+			var styles, len,
+				map = {},
+				i = 0;
+
+			if ( Array.isArray( name ) ) {
+				styles = getStyles( elem );
+				len = name.length;
+
+				for ( ; i < len; i++ ) {
+					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
+				}
+
+				return map;
+			}
+
+			return value !== undefined ?
+				jQuery.style( elem, name, value ) :
+				jQuery.css( elem, name );
+		}, name, value, arguments.length > 1 );
+	}
+} );
+
+
+function Tween( elem, options, prop, end, easing ) {
+	return new Tween.prototype.init( elem, options, prop, end, easing );
+}
+jQuery.Tween = Tween;
+
+Tween.prototype = {
+	constructor: Tween,
+	init: function( elem, options, prop, end, easing, unit ) {
+		this.elem = elem;
+		this.prop = prop;
+		this.easing = easing || jQuery.easing._default;
+		this.options = options;
+		this.start = this.now = this.cur();
+		this.end = end;
+		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
+	},
+	cur: function() {
+		var hooks = Tween.propHooks[ this.prop ];
+
+		return hooks && hooks.get ?
+			hooks.get( this ) :
+			Tween.propHooks._default.get( this );
+	},
+	run: function( percent ) {
+		var eased,
+			hooks = Tween.propHooks[ this.prop ];
+
+		if ( this.options.duration ) {
+			this.pos = eased = jQuery.easing[ this.easing ](
+				percent, this.options.duration * percent, 0, 1, this.options.duration
+			);
+		} else {
+			this.pos = eased = percent;
+		}
+		this.now = ( this.end - this.start ) * eased + this.start;
+
+		if ( this.options.step ) {
+			this.options.step.call( this.elem, this.now, this );
+		}
+
+		if ( hooks && hooks.set ) {
+			hooks.set( this );
+		} else {
+			Tween.propHooks._default.set( this );
+		}
+		return this;
+	}
+};
+
+Tween.prototype.init.prototype = Tween.prototype;
+
+Tween.propHooks = {
+	_default: {
+		get: function( tween ) {
+			var result;
+
+			// Use a property on the element directly when it is not a DOM element,
+			// or when there is no matching style property that exists.
+			if ( tween.elem.nodeType !== 1 ||
+				tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
+				return tween.elem[ tween.prop ];
+			}
+
+			// Passing an empty string as a 3rd parameter to .css will automatically
+			// attempt a parseFloat and fallback to a string if the parse fails.
+			// Simple values such as "10px" are parsed to Float;
+			// complex values such as "rotate(1rad)" are returned as-is.
+			result = jQuery.css( tween.elem, tween.prop, "" );
+
+			// Empty strings, null, undefined and "auto" are converted to 0.
+			return !result || result === "auto" ? 0 : result;
+		},
+		set: function( tween ) {
+
+			// Use step hook for back compat.
+			// Use cssHook if its there.
+			// Use .style if available and use plain properties where available.
+			if ( jQuery.fx.step[ tween.prop ] ) {
+				jQuery.fx.step[ tween.prop ]( tween );
+			} else if ( tween.elem.nodeType === 1 && (
+					jQuery.cssHooks[ tween.prop ] ||
+					tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
+				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
+			} else {
+				tween.elem[ tween.prop ] = tween.now;
+			}
+		}
+	}
+};
+
+// Support: IE <=9 only
+// Panic based approach to setting things on disconnected nodes
+Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
+	set: function( tween ) {
+		if ( tween.elem.nodeType && tween.elem.parentNode ) {
+			tween.elem[ tween.prop ] = tween.now;
+		}
+	}
+};
+
+jQuery.easing = {
+	linear: function( p ) {
+		return p;
+	},
+	swing: function( p ) {
+		return 0.5 - Math.cos( p * Math.PI ) / 2;
+	},
+	_default: "swing"
+};
+
+jQuery.fx = Tween.prototype.init;
+
+// Back compat <1.8 extension point
+jQuery.fx.step = {};
+
+
+
+
+var
+	fxNow, inProgress,
+	rfxtypes = /^(?:toggle|show|hide)$/,
+	rrun = /queueHooks$/;
+
+function schedule() {
+	if ( inProgress ) {
+		if ( document.hidden === false && window.requestAnimationFrame ) {
+			window.requestAnimationFrame( schedule );
+		} else {
+			window.setTimeout( schedule, jQuery.fx.interval );
+		}
+
+		jQuery.fx.tick();
+	}
+}
+
+// Animations created synchronously will run synchronously
+function createFxNow() {
+	window.setTimeout( function() {
+		fxNow = undefined;
+	} );
+	return ( fxNow = Date.now() );
+}
+
+// Generate parameters to create a standard animation
+function genFx( type, includeWidth ) {
+	var which,
+		i = 0,
+		attrs = { height: type };
+
+	// If we include width, step value is 1 to do all cssExpand values,
+	// otherwise step value is 2 to skip over Left and Right
+	includeWidth = includeWidth ? 1 : 0;
+	for ( ; i < 4; i += 2 - includeWidth ) {
+		which = cssExpand[ i ];
+		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
+	}
+
+	if ( includeWidth ) {
+		attrs.opacity = attrs.width = type;
+	}
+
+	return attrs;
+}
+
+function createTween( value, prop, animation ) {
+	var tween,
+		collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
+		index = 0,
+		length = collection.length;
+	for ( ; index < length; index++ ) {
+		if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
+
+			// We're done with this property
+			return tween;
+		}
+	}
+}
+
+function defaultPrefilter( elem, props, opts ) {
+	var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
+		isBox = "width" in props || "height" in props,
+		anim = this,
+		orig = {},
+		style = elem.style,
+		hidden = elem.nodeType && isHiddenWithinTree( elem ),
+		dataShow = dataPriv.get( elem, "fxshow" );
+
+	// Queue-skipping animations hijack the fx hooks
+	if ( !opts.queue ) {
+		hooks = jQuery._queueHooks( elem, "fx" );
+		if ( hooks.unqueued == null ) {
+			hooks.unqueued = 0;
+			oldfire = hooks.empty.fire;
+			hooks.empty.fire = function() {
+				if ( !hooks.unqueued ) {
+					oldfire();
+				}
+			};
+		}
+		hooks.unqueued++;
+
+		anim.always( function() {
+
+			// Ensure the complete handler is called before this completes
+			anim.always( function() {
+				hooks.unqueued--;
+				if ( !jQuery.queue( elem, "fx" ).length ) {
+					hooks.empty.fire();
+				}
+			} );
+		} );
+	}
+
+	// Detect show/hide animations
+	for ( prop in props ) {
+		value = props[ prop ];
+		if ( rfxtypes.test( value ) ) {
+			delete props[ prop ];
+			toggle = toggle || value === "toggle";
+			if ( value === ( hidden ? "hide" : "show" ) ) {
+
+				// Pretend to be hidden if this is a "show" and
+				// there is still data from a stopped show/hide
+				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
+					hidden = true;
+
+				// Ignore all other no-op show/hide data
+				} else {
+					continue;
+				}
+			}
+			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
+		}
+	}
+
+	// Bail out if this is a no-op like .hide().hide()
+	propTween = !jQuery.isEmptyObject( props );
+	if ( !propTween && jQuery.isEmptyObject( orig ) ) {
+		return;
+	}
+
+	// Restrict "overflow" and "display" styles during box animations
+	if ( isBox && elem.nodeType === 1 ) {
+
+		// Support: IE <=9 - 11, Edge 12 - 15
+		// Record all 3 overflow attributes because IE does not infer the shorthand
+		// from identically-valued overflowX and overflowY and Edge just mirrors
+		// the overflowX value there.
+		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
+
+		// Identify a display type, preferring old show/hide data over the CSS cascade
+		restoreDisplay = dataShow && dataShow.display;
+		if ( restoreDisplay == null ) {
+			restoreDisplay = dataPriv.get( elem, "display" );
+		}
+		display = jQuery.css( elem, "display" );
+		if ( display === "none" ) {
+			if ( restoreDisplay ) {
+				display = restoreDisplay;
+			} else {
+
+				// Get nonempty value(s) by temporarily forcing visibility
+				showHide( [ elem ], true );
+				restoreDisplay = elem.style.display || restoreDisplay;
+				display = jQuery.css( elem, "display" );
+				showHide( [ elem ] );
+			}
+		}
+
+		// Animate inline elements as inline-block
+		if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
+			if ( jQuery.css( elem, "float" ) === "none" ) {
+
+				// Restore the original display value at the end of pure show/hide animations
+				if ( !propTween ) {
+					anim.done( function() {
+						style.display = restoreDisplay;
+					} );
+					if ( restoreDisplay == null ) {
+						display = style.display;
+						restoreDisplay = display === "none" ? "" : display;
+					}
+				}
+				style.display = "inline-block";
+			}
+		}
+	}
+
+	if ( opts.overflow ) {
+		style.overflow = "hidden";
+		anim.always( function() {
+			style.overflow = opts.overflow[ 0 ];
+			style.overflowX = opts.overflow[ 1 ];
+			style.overflowY = opts.overflow[ 2 ];
+		} );
+	}
+
+	// Implement show/hide animations
+	propTween = false;
+	for ( prop in orig ) {
+
+		// General show/hide setup for this element animation
+		if ( !propTween ) {
+			if ( dataShow ) {
+				if ( "hidden" in dataShow ) {
+					hidden = dataShow.hidden;
+				}
+			} else {
+				dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
+			}
+
+			// Store hidden/visible for toggle so `.stop().toggle()` "reverses"
+			if ( toggle ) {
+				dataShow.hidden = !hidden;
+			}
+
+			// Show elements before animating them
+			if ( hidden ) {
+				showHide( [ elem ], true );
+			}
+
+			/* eslint-disable no-loop-func */
+
+			anim.done( function() {
+
+			/* eslint-enable no-loop-func */
+
+				// The final step of a "hide" animation is actually hiding the element
+				if ( !hidden ) {
+					showHide( [ elem ] );
+				}
+				dataPriv.remove( elem, "fxshow" );
+				for ( prop in orig ) {
+					jQuery.style( elem, prop, orig[ prop ] );
+				}
+			} );
+		}
+
+		// Per-property setup
+		propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
+		if ( !( prop in dataShow ) ) {
+			dataShow[ prop ] = propTween.start;
+			if ( hidden ) {
+				propTween.end = propTween.start;
+				propTween.start = 0;
+			}
+		}
+	}
+}
+
+function propFilter( props, specialEasing ) {
+	var index, name, easing, value, hooks;
+
+	// camelCase, specialEasing and expand cssHook pass
+	for ( index in props ) {
+		name = camelCase( index );
+		easing = specialEasing[ name ];
+		value = props[ index ];
+		if ( Array.isArray( value ) ) {
+			easing = value[ 1 ];
+			value = props[ index ] = value[ 0 ];
+		}
+
+		if ( index !== name ) {
+			props[ name ] = value;
+			delete props[ index ];
+		}
+
+		hooks = jQuery.cssHooks[ name ];
+		if ( hooks && "expand" in hooks ) {
+			value = hooks.expand( value );
+			delete props[ name ];
+
+			// Not quite $.extend, this won't overwrite existing keys.
+			// Reusing 'index' because we have the correct "name"
+			for ( index in value ) {
+				if ( !( index in props ) ) {
+					props[ index ] = value[ index ];
+					specialEasing[ index ] = easing;
+				}
+			}
+		} else {
+			specialEasing[ name ] = easing;
+		}
+	}
+}
+
+function Animation( elem, properties, options ) {
+	var result,
+		stopped,
+		index = 0,
+		length = Animation.prefilters.length,
+		deferred = jQuery.Deferred().always( function() {
+
+			// Don't match elem in the :animated selector
+			delete tick.elem;
+		} ),
+		tick = function() {
+			if ( stopped ) {
+				return false;
+			}
+			var currentTime = fxNow || createFxNow(),
+				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
+
+				// Support: Android 2.3 only
+				// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
+				temp = remaining / animation.duration || 0,
+				percent = 1 - temp,
+				index = 0,
+				length = animation.tweens.length;
+
+			for ( ; index < length; index++ ) {
+				animation.tweens[ index ].run( percent );
+			}
+
+			deferred.notifyWith( elem, [ animation, percent, remaining ] );
+
+			// If there's more to do, yield
+			if ( percent < 1 && length ) {
+				return remaining;
+			}
+
+			// If this was an empty animation, synthesize a final progress notification
+			if ( !length ) {
+				deferred.notifyWith( elem, [ animation, 1, 0 ] );
+			}
+
+			// Resolve the animation and report its conclusion
+			deferred.resolveWith( elem, [ animation ] );
+			return false;
+		},
+		animation = deferred.promise( {
+			elem: elem,
+			props: jQuery.extend( {}, properties ),
+			opts: jQuery.extend( true, {
+				specialEasing: {},
+				easing: jQuery.easing._default
+			}, options ),
+			originalProperties: properties,
+			originalOptions: options,
+			startTime: fxNow || createFxNow(),
+			duration: options.duration,
+			tweens: [],
+			createTween: function( prop, end ) {
+				var tween = jQuery.Tween( elem, animation.opts, prop, end,
+						animation.opts.specialEasing[ prop ] || animation.opts.easing );
+				animation.tweens.push( tween );
+				return tween;
+			},
+			stop: function( gotoEnd ) {
+				var index = 0,
+
+					// If we are going to the end, we want to run all the tweens
+					// otherwise we skip this part
+					length = gotoEnd ? animation.tweens.length : 0;
+				if ( stopped ) {
+					return this;
+				}
+				stopped = true;
+				for ( ; index < length; index++ ) {
+					animation.tweens[ index ].run( 1 );
+				}
+
+				// Resolve when we played the last frame; otherwise, reject
+				if ( gotoEnd ) {
+					deferred.notifyWith( elem, [ animation, 1, 0 ] );
+					deferred.resolveWith( elem, [ animation, gotoEnd ] );
+				} else {
+					deferred.rejectWith( elem, [ animation, gotoEnd ] );
+				}
+				return this;
+			}
+		} ),
+		props = animation.props;
+
+	propFilter( props, animation.opts.specialEasing );
+
+	for ( ; index < length; index++ ) {
+		result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
+		if ( result ) {
+			if ( isFunction( result.stop ) ) {
+				jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
+					result.stop.bind( result );
+			}
+			return result;
+		}
+	}
+
+	jQuery.map( props, createTween, animation );
+
+	if ( isFunction( animation.opts.start ) ) {
+		animation.opts.start.call( elem, animation );
+	}
+
+	// Attach callbacks from options
+	animation
+		.progress( animation.opts.progress )
+		.done( animation.opts.done, animation.opts.complete )
+		.fail( animation.opts.fail )
+		.always( animation.opts.always );
+
+	jQuery.fx.timer(
+		jQuery.extend( tick, {
+			elem: elem,
+			anim: animation,
+			queue: animation.opts.queue
+		} )
+	);
+
+	return animation;
+}
+
+jQuery.Animation = jQuery.extend( Animation, {
+
+	tweeners: {
+		"*": [ function( prop, value ) {
+			var tween = this.createTween( prop, value );
+			adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
+			return tween;
+		} ]
+	},
+
+	tweener: function( props, callback ) {
+		if ( isFunction( props ) ) {
+			callback = props;
+			props = [ "*" ];
+		} else {
+			props = props.match( rnothtmlwhite );
+		}
+
+		var prop,
+			index = 0,
+			length = props.length;
+
+		for ( ; index < length; index++ ) {
+			prop = props[ index ];
+			Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
+			Animation.tweeners[ prop ].unshift( callback );
+		}
+	},
+
+	prefilters: [ defaultPrefilter ],
+
+	prefilter: function( callback, prepend ) {
+		if ( prepend ) {
+			Animation.prefilters.unshift( callback );
+		} else {
+			Animation.prefilters.push( callback );
+		}
+	}
+} );
+
+jQuery.speed = function( speed, easing, fn ) {
+	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
+		complete: fn || !fn && easing ||
+			isFunction( speed ) && speed,
+		duration: speed,
+		easing: fn && easing || easing && !isFunction( easing ) && easing
+	};
+
+	// Go to the end state if fx are off
+	if ( jQuery.fx.off ) {
+		opt.duration = 0;
+
+	} else {
+		if ( typeof opt.duration !== "number" ) {
+			if ( opt.duration in jQuery.fx.speeds ) {
+				opt.duration = jQuery.fx.speeds[ opt.duration ];
+
+			} else {
+				opt.duration = jQuery.fx.speeds._default;
+			}
+		}
+	}
+
+	// Normalize opt.queue - true/undefined/null -> "fx"
+	if ( opt.queue == null || opt.queue === true ) {
+		opt.queue = "fx";
+	}
+
+	// Queueing
+	opt.old = opt.complete;
+
+	opt.complete = function() {
+		if ( isFunction( opt.old ) ) {
+			opt.old.call( this );
+		}
+
+		if ( opt.queue ) {
+			jQuery.dequeue( this, opt.queue );
+		}
+	};
+
+	return opt;
+};
+
+jQuery.fn.extend( {
+	fadeTo: function( speed, to, easing, callback ) {
+
+		// Show any hidden elements after setting opacity to 0
+		return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
+
+			// Animate to the value specified
+			.end().animate( { opacity: to }, speed, easing, callback );
+	},
+	animate: function( prop, speed, easing, callback ) {
+		var empty = jQuery.isEmptyObject( prop ),
+			optall = jQuery.speed( speed, easing, callback ),
+			doAnimation = function() {
+
+				// Operate on a copy of prop so per-property easing won't be lost
+				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
+
+				// Empty animations, or finishing resolves immediately
+				if ( empty || dataPriv.get( this, "finish" ) ) {
+					anim.stop( true );
+				}
+			};
+			doAnimation.finish = doAnimation;
+
+		return empty || optall.queue === false ?
+			this.each( doAnimation ) :
+			this.queue( optall.queue, doAnimation );
+	},
+	stop: function( type, clearQueue, gotoEnd ) {
+		var stopQueue = function( hooks ) {
+			var stop = hooks.stop;
+			delete hooks.stop;
+			stop( gotoEnd );
+		};
+
+		if ( typeof type !== "string" ) {
+			gotoEnd = clearQueue;
+			clearQueue = type;
+			type = undefined;
+		}
+		if ( clearQueue && type !== false ) {
+			this.queue( type || "fx", [] );
+		}
+
+		return this.each( function() {
+			var dequeue = true,
+				index = type != null && type + "queueHooks",
+				timers = jQuery.timers,
+				data = dataPriv.get( this );
+
+			if ( index ) {
+				if ( data[ index ] && data[ index ].stop ) {
+					stopQueue( data[ index ] );
+				}
+			} else {
+				for ( index in data ) {
+					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
+						stopQueue( data[ index ] );
+					}
+				}
+			}
+
+			for ( index = timers.length; index--; ) {
+				if ( timers[ index ].elem === this &&
+					( type == null || timers[ index ].queue === type ) ) {
+
+					timers[ index ].anim.stop( gotoEnd );
+					dequeue = false;
+					timers.splice( index, 1 );
+				}
+			}
+
+			// Start the next in the queue if the last step wasn't forced.
+			// Timers currently will call their complete callbacks, which
+			// will dequeue but only if they were gotoEnd.
+			if ( dequeue || !gotoEnd ) {
+				jQuery.dequeue( this, type );
+			}
+		} );
+	},
+	finish: function( type ) {
+		if ( type !== false ) {
+			type = type || "fx";
+		}
+		return this.each( function() {
+			var index,
+				data = dataPriv.get( this ),
+				queue = data[ type + "queue" ],
+				hooks = data[ type + "queueHooks" ],
+				timers = jQuery.timers,
+				length = queue ? queue.length : 0;
+
+			// Enable finishing flag on private data
+			data.finish = true;
+
+			// Empty the queue first
+			jQuery.queue( this, type, [] );
+
+			if ( hooks && hooks.stop ) {
+				hooks.stop.call( this, true );
+			}
+
+			// Look for any active animations, and finish them
+			for ( index = timers.length; index--; ) {
+				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
+					timers[ index ].anim.stop( true );
+					timers.splice( index, 1 );
+				}
+			}
+
+			// Look for any animations in the old queue and finish them
+			for ( index = 0; index < length; index++ ) {
+				if ( queue[ index ] && queue[ index ].finish ) {
+					queue[ index ].finish.call( this );
+				}
+			}
+
+			// Turn off finishing flag
+			delete data.finish;
+		} );
+	}
+} );
+
+jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
+	var cssFn = jQuery.fn[ name ];
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return speed == null || typeof speed === "boolean" ?
+			cssFn.apply( this, arguments ) :
+			this.animate( genFx( name, true ), speed, easing, callback );
+	};
+} );
+
+// Generate shortcuts for custom animations
+jQuery.each( {
+	slideDown: genFx( "show" ),
+	slideUp: genFx( "hide" ),
+	slideToggle: genFx( "toggle" ),
+	fadeIn: { opacity: "show" },
+	fadeOut: { opacity: "hide" },
+	fadeToggle: { opacity: "toggle" }
+}, function( name, props ) {
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return this.animate( props, speed, easing, callback );
+	};
+} );
+
+jQuery.timers = [];
+jQuery.fx.tick = function() {
+	var timer,
+		i = 0,
+		timers = jQuery.timers;
+
+	fxNow = Date.now();
+
+	for ( ; i < timers.length; i++ ) {
+		timer = timers[ i ];
+
+		// Run the timer and safely remove it when done (allowing for external removal)
+		if ( !timer() && timers[ i ] === timer ) {
+			timers.splice( i--, 1 );
+		}
+	}
+
+	if ( !timers.length ) {
+		jQuery.fx.stop();
+	}
+	fxNow = undefined;
+};
+
+jQuery.fx.timer = function( timer ) {
+	jQuery.timers.push( timer );
+	jQuery.fx.start();
+};
+
+jQuery.fx.interval = 13;
+jQuery.fx.start = function() {
+	if ( inProgress ) {
+		return;
+	}
+
+	inProgress = true;
+	schedule();
+};
+
+jQuery.fx.stop = function() {
+	inProgress = null;
+};
+
+jQuery.fx.speeds = {
+	slow: 600,
+	fast: 200,
+
+	// Default speed
+	_default: 400
+};
+
+
+// Based off of the plugin by Clint Helfers, with permission.
+// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
+jQuery.fn.delay = function( time, type ) {
+	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
+	type = type || "fx";
+
+	return this.queue( type, function( next, hooks ) {
+		var timeout = window.setTimeout( next, time );
+		hooks.stop = function() {
+			window.clearTimeout( timeout );
+		};
+	} );
+};
+
+
+( function() {
+	var input = document.createElement( "input" ),
+		select = document.createElement( "select" ),
+		opt = select.appendChild( document.createElement( "option" ) );
+
+	input.type = "checkbox";
+
+	// Support: Android <=4.3 only
+	// Default value for a checkbox should be "on"
+	support.checkOn = input.value !== "";
+
+	// Support: IE <=11 only
+	// Must access selectedIndex to make default options select
+	support.optSelected = opt.selected;
+
+	// Support: IE <=11 only
+	// An input loses its value after becoming a radio
+	input = document.createElement( "input" );
+	input.value = "t";
+	input.type = "radio";
+	support.radioValue = input.value === "t";
+} )();
+
+
+var boolHook,
+	attrHandle = jQuery.expr.attrHandle;
+
+jQuery.fn.extend( {
+	attr: function( name, value ) {
+		return access( this, jQuery.attr, name, value, arguments.length > 1 );
+	},
+
+	removeAttr: function( name ) {
+		return this.each( function() {
+			jQuery.removeAttr( this, name );
+		} );
+	}
+} );
+
+jQuery.extend( {
+	attr: function( elem, name, value ) {
+		var ret, hooks,
+			nType = elem.nodeType;
+
+		// Don't get/set attributes on text, comment and attribute nodes
+		if ( nType === 3 || nType === 8 || nType === 2 ) {
+			return;
+		}
+
+		// Fallback to prop when attributes are not supported
+		if ( typeof elem.getAttribute === "undefined" ) {
+			return jQuery.prop( elem, name, value );
+		}
+
+		// Attribute hooks are determined by the lowercase version
+		// Grab necessary hook if one is defined
+		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
+			hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
+				( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
+		}
+
+		if ( value !== undefined ) {
+			if ( value === null ) {
+				jQuery.removeAttr( elem, name );
+				return;
+			}
+
+			if ( hooks && "set" in hooks &&
+				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
+				return ret;
+			}
+
+			elem.setAttribute( name, value + "" );
+			return value;
+		}
+
+		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
+			return ret;
+		}
+
+		ret = jQuery.find.attr( elem, name );
+
+		// Non-existent attributes return null, we normalize to undefined
+		return ret == null ? undefined : ret;
+	},
+
+	attrHooks: {
+		type: {
+			set: function( elem, value ) {
+				if ( !support.radioValue && value === "radio" &&
+					nodeName( elem, "input" ) ) {
+					var val = elem.value;
+					elem.setAttribute( "type", value );
+					if ( val ) {
+						elem.value = val;
+					}
+					return value;
+				}
+			}
+		}
+	},
+
+	removeAttr: function( elem, value ) {
+		var name,
+			i = 0,
+
+			// Attribute names can contain non-HTML whitespace characters
+			// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
+			attrNames = value && value.match( rnothtmlwhite );
+
+		if ( attrNames && elem.nodeType === 1 ) {
+			while ( ( name = attrNames[ i++ ] ) ) {
+				elem.removeAttribute( name );
+			}
+		}
+	}
+} );
+
+// Hooks for boolean attributes
+boolHook = {
+	set: function( elem, value, name ) {
+		if ( value === false ) {
+
+			// Remove boolean attributes when set to false
+			jQuery.removeAttr( elem, name );
+		} else {
+			elem.setAttribute( name, name );
+		}
+		return name;
+	}
+};
+
+jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
+	var getter = attrHandle[ name ] || jQuery.find.attr;
+
+	attrHandle[ name ] = function( elem, name, isXML ) {
+		var ret, handle,
+			lowercaseName = name.toLowerCase();
+
+		if ( !isXML ) {
+
+			// Avoid an infinite loop by temporarily removing this function from the getter
+			handle = attrHandle[ lowercaseName ];
+			attrHandle[ lowercaseName ] = ret;
+			ret = getter( elem, name, isXML ) != null ?
+				lowercaseName :
+				null;
+			attrHandle[ lowercaseName ] = handle;
+		}
+		return ret;
+	};
+} );
+
+
+
+
+var rfocusable = /^(?:input|select|textarea|button)$/i,
+	rclickable = /^(?:a|area)$/i;
+
+jQuery.fn.extend( {
+	prop: function( name, value ) {
+		return access( this, jQuery.prop, name, value, arguments.length > 1 );
+	},
+
+	removeProp: function( name ) {
+		return this.each( function() {
+			delete this[ jQuery.propFix[ name ] || name ];
+		} );
+	}
+} );
+
+jQuery.extend( {
+	prop: function( elem, name, value ) {
+		var ret, hooks,
+			nType = elem.nodeType;
+
+		// Don't get/set properties on text, comment and attribute nodes
+		if ( nType === 3 || nType === 8 || nType === 2 ) {
+			return;
+		}
+
+		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
+
+			// Fix name and attach hooks
+			name = jQuery.propFix[ name ] || name;
+			hooks = jQuery.propHooks[ name ];
+		}
+
+		if ( value !== undefined ) {
+			if ( hooks && "set" in hooks &&
+				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
+				return ret;
+			}
+
+			return ( elem[ name ] = value );
+		}
+
+		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
+			return ret;
+		}
+
+		return elem[ name ];
+	},
+
+	propHooks: {
+		tabIndex: {
+			get: function( elem ) {
+
+				// Support: IE <=9 - 11 only
+				// elem.tabIndex doesn't always return the
+				// correct value when it hasn't been explicitly set
+				// https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
+				// Use proper attribute retrieval(#12072)
+				var tabindex = jQuery.find.attr( elem, "tabindex" );
+
+				if ( tabindex ) {
+					return parseInt( tabindex, 10 );
+				}
+
+				if (
+					rfocusable.test( elem.nodeName ) ||
+					rclickable.test( elem.nodeName ) &&
+					elem.href
+				) {
+					return 0;
+				}
+
+				return -1;
+			}
+		}
+	},
+
+	propFix: {
+		"for": "htmlFor",
+		"class": "className"
+	}
+} );
+
+// Support: IE <=11 only
+// Accessing the selectedIndex property
+// forces the browser to respect setting selected
+// on the option
+// The getter ensures a default option is selected
+// when in an optgroup
+// eslint rule "no-unused-expressions" is disabled for this code
+// since it considers such accessions noop
+if ( !support.optSelected ) {
+	jQuery.propHooks.selected = {
+		get: function( elem ) {
+
+			/* eslint no-unused-expressions: "off" */
+
+			var parent = elem.parentNode;
+			if ( parent && parent.parentNode ) {
+				parent.parentNode.selectedIndex;
+			}
+			return null;
+		},
+		set: function( elem ) {
+
+			/* eslint no-unused-expressions: "off" */
+
+			var parent = elem.parentNode;
+			if ( parent ) {
+				parent.selectedIndex;
+
+				if ( parent.parentNode ) {
+					parent.parentNode.selectedIndex;
+				}
+			}
+		}
+	};
+}
+
+jQuery.each( [
+	"tabIndex",
+	"readOnly",
+	"maxLength",
+	"cellSpacing",
+	"cellPadding",
+	"rowSpan",
+	"colSpan",
+	"useMap",
+	"frameBorder",
+	"contentEditable"
+], function() {
+	jQuery.propFix[ this.toLowerCase() ] = this;
+} );
+
+
+
+
+	// Strip and collapse whitespace according to HTML spec
+	// https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
+	function stripAndCollapse( value ) {
+		var tokens = value.match( rnothtmlwhite ) || [];
+		return tokens.join( " " );
+	}
+
+
+function getClass( elem ) {
+	return elem.getAttribute && elem.getAttribute( "class" ) || "";
+}
+
+function classesToArray( value ) {
+	if ( Array.isArray( value ) ) {
+		return value;
+	}
+	if ( typeof value === "string" ) {
+		return value.match( rnothtmlwhite ) || [];
+	}
+	return [];
+}
+
+jQuery.fn.extend( {
+	addClass: function( value ) {
+		var classes, elem, cur, curValue, clazz, j, finalValue,
+			i = 0;
+
+		if ( isFunction( value ) ) {
+			return this.each( function( j ) {
+				jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
+			} );
+		}
+
+		classes = classesToArray( value );
+
+		if ( classes.length ) {
+			while ( ( elem = this[ i++ ] ) ) {
+				curValue = getClass( elem );
+				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
+
+				if ( cur ) {
+					j = 0;
+					while ( ( clazz = classes[ j++ ] ) ) {
+						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
+							cur += clazz + " ";
+						}
+					}
+
+					// Only assign if different to avoid unneeded rendering.
+					finalValue = stripAndCollapse( cur );
+					if ( curValue !== finalValue ) {
+						elem.setAttribute( "class", finalValue );
+					}
+				}
+			}
+		}
+
+		return this;
+	},
+
+	removeClass: function( value ) {
+		var classes, elem, cur, curValue, clazz, j, finalValue,
+			i = 0;
+
+		if ( isFunction( value ) ) {
+			return this.each( function( j ) {
+				jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
+			} );
+		}
+
+		if ( !arguments.length ) {
+			return this.attr( "class", "" );
+		}
+
+		classes = classesToArray( value );
+
+		if ( classes.length ) {
+			while ( ( elem = this[ i++ ] ) ) {
+				curValue = getClass( elem );
+
+				// This expression is here for better compressibility (see addClass)
+				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
+
+				if ( cur ) {
+					j = 0;
+					while ( ( clazz = classes[ j++ ] ) ) {
+
+						// Remove *all* instances
+						while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
+							cur = cur.replace( " " + clazz + " ", " " );
+						}
+					}
+
+					// Only assign if different to avoid unneeded rendering.
+					finalValue = stripAndCollapse( cur );
+					if ( curValue !== finalValue ) {
+						elem.setAttribute( "class", finalValue );
+					}
+				}
+			}
+		}
+
+		return this;
+	},
+
+	toggleClass: function( value, stateVal ) {
+		var type = typeof value,
+			isValidValue = type === "string" || Array.isArray( value );
+
+		if ( typeof stateVal === "boolean" && isValidValue ) {
+			return stateVal ? this.addClass( value ) : this.removeClass( value );
+		}
+
+		if ( isFunction( value ) ) {
+			return this.each( function( i ) {
+				jQuery( this ).toggleClass(
+					value.call( this, i, getClass( this ), stateVal ),
+					stateVal
+				);
+			} );
+		}
+
+		return this.each( function() {
+			var className, i, self, classNames;
+
+			if ( isValidValue ) {
+
+				// Toggle individual class names
+				i = 0;
+				self = jQuery( this );
+				classNames = classesToArray( value );
+
+				while ( ( className = classNames[ i++ ] ) ) {
+
+					// Check each className given, space separated list
+					if ( self.hasClass( className ) ) {
+						self.removeClass( className );
+					} else {
+						self.addClass( className );
+					}
+				}
+
+			// Toggle whole class name
+			} else if ( value === undefined || type === "boolean" ) {
+				className = getClass( this );
+				if ( className ) {
+
+					// Store className if set
+					dataPriv.set( this, "__className__", className );
+				}
+
+				// If the element has a class name or if we're passed `false`,
+				// then remove the whole classname (if there was one, the above saved it).
+				// Otherwise bring back whatever was previously saved (if anything),
+				// falling back to the empty string if nothing was stored.
+				if ( this.setAttribute ) {
+					this.setAttribute( "class",
+						className || value === false ?
+						"" :
+						dataPriv.get( this, "__className__" ) || ""
+					);
+				}
+			}
+		} );
+	},
+
+	hasClass: function( selector ) {
+		var className, elem,
+			i = 0;
+
+		className = " " + selector + " ";
+		while ( ( elem = this[ i++ ] ) ) {
+			if ( elem.nodeType === 1 &&
+				( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
+					return true;
+			}
+		}
+
+		return false;
+	}
+} );
+
+
+
+
+var rreturn = /\r/g;
+
+jQuery.fn.extend( {
+	val: function( value ) {
+		var hooks, ret, valueIsFunction,
+			elem = this[ 0 ];
+
+		if ( !arguments.length ) {
+			if ( elem ) {
+				hooks = jQuery.valHooks[ elem.type ] ||
+					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
+
+				if ( hooks &&
+					"get" in hooks &&
+					( ret = hooks.get( elem, "value" ) ) !== undefined
+				) {
+					return ret;
+				}
+
+				ret = elem.value;
+
+				// Handle most common string cases
+				if ( typeof ret === "string" ) {
+					return ret.replace( rreturn, "" );
+				}
+
+				// Handle cases where value is null/undef or number
+				return ret == null ? "" : ret;
+			}
+
+			return;
+		}
+
+		valueIsFunction = isFunction( value );
+
+		return this.each( function( i ) {
+			var val;
+
+			if ( this.nodeType !== 1 ) {
+				return;
+			}
+
+			if ( valueIsFunction ) {
+				val = value.call( this, i, jQuery( this ).val() );
+			} else {
+				val = value;
+			}
+
+			// Treat null/undefined as ""; convert numbers to string
+			if ( val == null ) {
+				val = "";
+
+			} else if ( typeof val === "number" ) {
+				val += "";
+
+			} else if ( Array.isArray( val ) ) {
+				val = jQuery.map( val, function( value ) {
+					return value == null ? "" : value + "";
+				} );
+			}
+
+			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
+
+			// If set returns undefined, fall back to normal setting
+			if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
+				this.value = val;
+			}
+		} );
+	}
+} );
+
+jQuery.extend( {
+	valHooks: {
+		option: {
+			get: function( elem ) {
+
+				var val = jQuery.find.attr( elem, "value" );
+				return val != null ?
+					val :
+
+					// Support: IE <=10 - 11 only
+					// option.text throws exceptions (#14686, #14858)
+					// Strip and collapse whitespace
+					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
+					stripAndCollapse( jQuery.text( elem ) );
+			}
+		},
+		select: {
+			get: function( elem ) {
+				var value, option, i,
+					options = elem.options,
+					index = elem.selectedIndex,
+					one = elem.type === "select-one",
+					values = one ? null : [],
+					max = one ? index + 1 : options.length;
+
+				if ( index < 0 ) {
+					i = max;
+
+				} else {
+					i = one ? index : 0;
+				}
+
+				// Loop through all the selected options
+				for ( ; i < max; i++ ) {
+					option = options[ i ];
+
+					// Support: IE <=9 only
+					// IE8-9 doesn't update selected after form reset (#2551)
+					if ( ( option.selected || i === index ) &&
+
+							// Don't return options that are disabled or in a disabled optgroup
+							!option.disabled &&
+							( !option.parentNode.disabled ||
+								!nodeName( option.parentNode, "optgroup" ) ) ) {
+
+						// Get the specific value for the option
+						value = jQuery( option ).val();
+
+						// We don't need an array for one selects
+						if ( one ) {
+							return value;
+						}
+
+						// Multi-Selects return an array
+						values.push( value );
+					}
+				}
+
+				return values;
+			},
+
+			set: function( elem, value ) {
+				var optionSet, option,
+					options = elem.options,
+					values = jQuery.makeArray( value ),
+					i = options.length;
+
+				while ( i-- ) {
+					option = options[ i ];
+
+					/* eslint-disable no-cond-assign */
+
+					if ( option.selected =
+						jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
+					) {
+						optionSet = true;
+					}
+
+					/* eslint-enable no-cond-assign */
+				}
+
+				// Force browsers to behave consistently when non-matching value is set
+				if ( !optionSet ) {
+					elem.selectedIndex = -1;
+				}
+				return values;
+			}
+		}
+	}
+} );
+
+// Radios and checkboxes getter/setter
+jQuery.each( [ "radio", "checkbox" ], function() {
+	jQuery.valHooks[ this ] = {
+		set: function( elem, value ) {
+			if ( Array.isArray( value ) ) {
+				return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
+			}
+		}
+	};
+	if ( !support.checkOn ) {
+		jQuery.valHooks[ this ].get = function( elem ) {
+			return elem.getAttribute( "value" ) === null ? "on" : elem.value;
+		};
+	}
+} );
+
+
+
+
+// Return jQuery for attributes-only inclusion
+
+
+support.focusin = "onfocusin" in window;
+
+
+var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
+	stopPropagationCallback = function( e ) {
+		e.stopPropagation();
+	};
+
+jQuery.extend( jQuery.event, {
+
+	trigger: function( event, data, elem, onlyHandlers ) {
+
+		var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
+			eventPath = [ elem || document ],
+			type = hasOwn.call( event, "type" ) ? event.type : event,
+			namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
+
+		cur = lastElement = tmp = elem = elem || document;
+
+		// Don't do events on text and comment nodes
+		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
+			return;
+		}
+
+		// focus/blur morphs to focusin/out; ensure we're not firing them right now
+		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
+			return;
+		}
+
+		if ( type.indexOf( "." ) > -1 ) {
+
+			// Namespaced trigger; create a regexp to match event type in handle()
+			namespaces = type.split( "." );
+			type = namespaces.shift();
+			namespaces.sort();
+		}
+		ontype = type.indexOf( ":" ) < 0 && "on" + type;
+
+		// Caller can pass in a jQuery.Event object, Object, or just an event type string
+		event = event[ jQuery.expando ] ?
+			event :
+			new jQuery.Event( type, typeof event === "object" && event );
+
+		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
+		event.isTrigger = onlyHandlers ? 2 : 3;
+		event.namespace = namespaces.join( "." );
+		event.rnamespace = event.namespace ?
+			new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
+			null;
+
+		// Clean up the event in case it is being reused
+		event.result = undefined;
+		if ( !event.target ) {
+			event.target = elem;
+		}
+
+		// Clone any incoming data and prepend the event, creating the handler arg list
+		data = data == null ?
+			[ event ] :
+			jQuery.makeArray( data, [ event ] );
+
+		// Allow special events to draw outside the lines
+		special = jQuery.event.special[ type ] || {};
+		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
+			return;
+		}
+
+		// Determine event propagation path in advance, per W3C events spec (#9951)
+		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
+		if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
+
+			bubbleType = special.delegateType || type;
+			if ( !rfocusMorph.test( bubbleType + type ) ) {
+				cur = cur.parentNode;
+			}
+			for ( ; cur; cur = cur.parentNode ) {
+				eventPath.push( cur );
+				tmp = cur;
+			}
+
+			// Only add window if we got to document (e.g., not plain obj or detached DOM)
+			if ( tmp === ( elem.ownerDocument || document ) ) {
+				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
+			}
+		}
+
+		// Fire handlers on the event path
+		i = 0;
+		while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
+			lastElement = cur;
+			event.type = i > 1 ?
+				bubbleType :
+				special.bindType || type;
+
+			// jQuery handler
+			handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
+				dataPriv.get( cur, "handle" );
+			if ( handle ) {
+				handle.apply( cur, data );
+			}
+
+			// Native handler
+			handle = ontype && cur[ ontype ];
+			if ( handle && handle.apply && acceptData( cur ) ) {
+				event.result = handle.apply( cur, data );
+				if ( event.result === false ) {
+					event.preventDefault();
+				}
+			}
+		}
+		event.type = type;
+
+		// If nobody prevented the default action, do it now
+		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
+
+			if ( ( !special._default ||
+				special._default.apply( eventPath.pop(), data ) === false ) &&
+				acceptData( elem ) ) {
+
+				// Call a native DOM method on the target with the same name as the event.
+				// Don't do default actions on window, that's where global variables be (#6170)
+				if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
+
+					// Don't re-trigger an onFOO event when we call its FOO() method
+					tmp = elem[ ontype ];
+
+					if ( tmp ) {
+						elem[ ontype ] = null;
+					}
+
+					// Prevent re-triggering of the same event, since we already bubbled it above
+					jQuery.event.triggered = type;
+
+					if ( event.isPropagationStopped() ) {
+						lastElement.addEventListener( type, stopPropagationCallback );
+					}
+
+					elem[ type ]();
+
+					if ( event.isPropagationStopped() ) {
+						lastElement.removeEventListener( type, stopPropagationCallback );
+					}
+
+					jQuery.event.triggered = undefined;
+
+					if ( tmp ) {
+						elem[ ontype ] = tmp;
+					}
+				}
+			}
+		}
+
+		return event.result;
+	},
+
+	// Piggyback on a donor event to simulate a different one
+	// Used only for `focus(in | out)` events
+	simulate: function( type, elem, event ) {
+		var e = jQuery.extend(
+			new jQuery.Event(),
+			event,
+			{
+				type: type,
+				isSimulated: true
+			}
+		);
+
+		jQuery.event.trigger( e, null, elem );
+	}
+
+} );
+
+jQuery.fn.extend( {
+
+	trigger: function( type, data ) {
+		return this.each( function() {
+			jQuery.event.trigger( type, data, this );
+		} );
+	},
+	triggerHandler: function( type, data ) {
+		var elem = this[ 0 ];
+		if ( elem ) {
+			return jQuery.event.trigger( type, data, elem, true );
+		}
+	}
+} );
+
+
+// Support: Firefox <=44
+// Firefox doesn't have focus(in | out) events
+// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
+//
+// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
+// focus(in | out) events fire after focus & blur events,
+// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
+// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
+if ( !support.focusin ) {
+	jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
+
+		// Attach a single capturing handler on the document while someone wants focusin/focusout
+		var handler = function( event ) {
+			jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
+		};
+
+		jQuery.event.special[ fix ] = {
+			setup: function() {
+				var doc = this.ownerDocument || this,
+					attaches = dataPriv.access( doc, fix );
+
+				if ( !attaches ) {
+					doc.addEventListener( orig, handler, true );
+				}
+				dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
+			},
+			teardown: function() {
+				var doc = this.ownerDocument || this,
+					attaches = dataPriv.access( doc, fix ) - 1;
+
+				if ( !attaches ) {
+					doc.removeEventListener( orig, handler, true );
+					dataPriv.remove( doc, fix );
+
+				} else {
+					dataPriv.access( doc, fix, attaches );
+				}
+			}
+		};
+	} );
+}
+var location = window.location;
+
+var nonce = Date.now();
+
+var rquery = ( /\?/ );
+
+
+
+// Cross-browser xml parsing
+jQuery.parseXML = function( data ) {
+	var xml;
+	if ( !data || typeof data !== "string" ) {
+		return null;
+	}
+
+	// Support: IE 9 - 11 only
+	// IE throws on parseFromString with invalid input.
+	try {
+		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
+	} catch ( e ) {
+		xml = undefined;
+	}
+
+	if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
+		jQuery.error( "Invalid XML: " + data );
+	}
+	return xml;
+};
+
+
+var
+	rbracket = /\[\]$/,
+	rCRLF = /\r?\n/g,
+	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
+	rsubmittable = /^(?:input|select|textarea|keygen)/i;
+
+function buildParams( prefix, obj, traditional, add ) {
+	var name;
+
+	if ( Array.isArray( obj ) ) {
+
+		// Serialize array item.
+		jQuery.each( obj, function( i, v ) {
+			if ( traditional || rbracket.test( prefix ) ) {
+
+				// Treat each array item as a scalar.
+				add( prefix, v );
+
+			} else {
+
+				// Item is non-scalar (array or object), encode its numeric index.
+				buildParams(
+					prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
+					v,
+					traditional,
+					add
+				);
+			}
+		} );
+
+	} else if ( !traditional && toType( obj ) === "object" ) {
+
+		// Serialize object item.
+		for ( name in obj ) {
+			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
+		}
+
+	} else {
+
+		// Serialize scalar item.
+		add( prefix, obj );
+	}
+}
+
+// Serialize an array of form elements or a set of
+// key/values into a query string
+jQuery.param = function( a, traditional ) {
+	var prefix,
+		s = [],
+		add = function( key, valueOrFunction ) {
+
+			// If value is a function, invoke it and use its return value
+			var value = isFunction( valueOrFunction ) ?
+				valueOrFunction() :
+				valueOrFunction;
+
+			s[ s.length ] = encodeURIComponent( key ) + "=" +
+				encodeURIComponent( value == null ? "" : value );
+		};
+
+	if ( a == null ) {
+		return "";
+	}
+
+	// If an array was passed in, assume that it is an array of form elements.
+	if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
+
+		// Serialize the form elements
+		jQuery.each( a, function() {
+			add( this.name, this.value );
+		} );
+
+	} else {
+
+		// If traditional, encode the "old" way (the way 1.3.2 or older
+		// did it), otherwise encode params recursively.
+		for ( prefix in a ) {
+			buildParams( prefix, a[ prefix ], traditional, add );
+		}
+	}
+
+	// Return the resulting serialization
+	return s.join( "&" );
+};
+
+jQuery.fn.extend( {
+	serialize: function() {
+		return jQuery.param( this.serializeArray() );
+	},
+	serializeArray: function() {
+		return this.map( function() {
+
+			// Can add propHook for "elements" to filter or add form elements
+			var elements = jQuery.prop( this, "elements" );
+			return elements ? jQuery.makeArray( elements ) : this;
+		} )
+		.filter( function() {
+			var type = this.type;
+
+			// Use .is( ":disabled" ) so that fieldset[disabled] works
+			return this.name && !jQuery( this ).is( ":disabled" ) &&
+				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
+				( this.checked || !rcheckableType.test( type ) );
+		} )
+		.map( function( i, elem ) {
+			var val = jQuery( this ).val();
+
+			if ( val == null ) {
+				return null;
+			}
+
+			if ( Array.isArray( val ) ) {
+				return jQuery.map( val, function( val ) {
+					return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+				} );
+			}
+
+			return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+		} ).get();
+	}
+} );
+
+
+var
+	r20 = /%20/g,
+	rhash = /#.*$/,
+	rantiCache = /([?&])_=[^&]*/,
+	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
+
+	// #7653, #8125, #8152: local protocol detection
+	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
+	rnoContent = /^(?:GET|HEAD)$/,
+	rprotocol = /^\/\//,
+
+	/* Prefilters
+	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
+	 * 2) These are called:
+	 *    - BEFORE asking for a transport
+	 *    - AFTER param serialization (s.data is a string if s.processData is true)
+	 * 3) key is the dataType
+	 * 4) the catchall symbol "*" can be used
+	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
+	 */
+	prefilters = {},
+
+	/* Transports bindings
+	 * 1) key is the dataType
+	 * 2) the catchall symbol "*" can be used
+	 * 3) selection will start with transport dataType and THEN go to "*" if needed
+	 */
+	transports = {},
+
+	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
+	allTypes = "*/".concat( "*" ),
+
+	// Anchor tag for parsing the document origin
+	originAnchor = document.createElement( "a" );
+	originAnchor.href = location.href;
+
+// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
+function addToPrefiltersOrTransports( structure ) {
+
+	// dataTypeExpression is optional and defaults to "*"
+	return function( dataTypeExpression, func ) {
+
+		if ( typeof dataTypeExpression !== "string" ) {
+			func = dataTypeExpression;
+			dataTypeExpression = "*";
+		}
+
+		var dataType,
+			i = 0,
+			dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
+
+		if ( isFunction( func ) ) {
+
+			// For each dataType in the dataTypeExpression
+			while ( ( dataType = dataTypes[ i++ ] ) ) {
+
+				// Prepend if requested
+				if ( dataType[ 0 ] === "+" ) {
+					dataType = dataType.slice( 1 ) || "*";
+					( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
+
+				// Otherwise append
+				} else {
+					( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
+				}
+			}
+		}
+	};
+}
+
+// Base inspection function for prefilters and transports
+function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
+
+	var inspected = {},
+		seekingTransport = ( structure === transports );
+
+	function inspect( dataType ) {
+		var selected;
+		inspected[ dataType ] = true;
+		jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
+			var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
+			if ( typeof dataTypeOrTransport === "string" &&
+				!seekingTransport && !inspected[ dataTypeOrTransport ] ) {
+
+				options.dataTypes.unshift( dataTypeOrTransport );
+				inspect( dataTypeOrTransport );
+				return false;
+			} else if ( seekingTransport ) {
+				return !( selected = dataTypeOrTransport );
+			}
+		} );
+		return selected;
+	}
+
+	return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
+}
+
+// A special extend for ajax options
+// that takes "flat" options (not to be deep extended)
+// Fixes #9887
+function ajaxExtend( target, src ) {
+	var key, deep,
+		flatOptions = jQuery.ajaxSettings.flatOptions || {};
+
+	for ( key in src ) {
+		if ( src[ key ] !== undefined ) {
+			( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
+		}
+	}
+	if ( deep ) {
+		jQuery.extend( true, target, deep );
+	}
+
+	return target;
+}
+
+/* Handles responses to an ajax request:
+ * - finds the right dataType (mediates between content-type and expected dataType)
+ * - returns the corresponding response
+ */
+function ajaxHandleResponses( s, jqXHR, responses ) {
+
+	var ct, type, finalDataType, firstDataType,
+		contents = s.contents,
+		dataTypes = s.dataTypes;
+
+	// Remove auto dataType and get content-type in the process
+	while ( dataTypes[ 0 ] === "*" ) {
+		dataTypes.shift();
+		if ( ct === undefined ) {
+			ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
+		}
+	}
+
+	// Check if we're dealing with a known content-type
+	if ( ct ) {
+		for ( type in contents ) {
+			if ( contents[ type ] && contents[ type ].test( ct ) ) {
+				dataTypes.unshift( type );
+				break;
+			}
+		}
+	}
+
+	// Check to see if we have a response for the expected dataType
+	if ( dataTypes[ 0 ] in responses ) {
+		finalDataType = dataTypes[ 0 ];
+	} else {
+
+		// Try convertible dataTypes
+		for ( type in responses ) {
+			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
+				finalDataType = type;
+				break;
+			}
+			if ( !firstDataType ) {
+				firstDataType = type;
+			}
+		}
+
+		// Or just use first one
+		finalDataType = finalDataType || firstDataType;
+	}
+
+	// If we found a dataType
+	// We add the dataType to the list if needed
+	// and return the corresponding response
+	if ( finalDataType ) {
+		if ( finalDataType !== dataTypes[ 0 ] ) {
+			dataTypes.unshift( finalDataType );
+		}
+		return responses[ finalDataType ];
+	}
+}
+
+/* Chain conversions given the request and the original response
+ * Also sets the responseXXX fields on the jqXHR instance
+ */
+function ajaxConvert( s, response, jqXHR, isSuccess ) {
+	var conv2, current, conv, tmp, prev,
+		converters = {},
+
+		// Work with a copy of dataTypes in case we need to modify it for conversion
+		dataTypes = s.dataTypes.slice();
+
+	// Create converters map with lowercased keys
+	if ( dataTypes[ 1 ] ) {
+		for ( conv in s.converters ) {
+			converters[ conv.toLowerCase() ] = s.converters[ conv ];
+		}
+	}
+
+	current = dataTypes.shift();
+
+	// Convert to each sequential dataType
+	while ( current ) {
+
+		if ( s.responseFields[ current ] ) {
+			jqXHR[ s.responseFields[ current ] ] = response;
+		}
+
+		// Apply the dataFilter if provided
+		if ( !prev && isSuccess && s.dataFilter ) {
+			response = s.dataFilter( response, s.dataType );
+		}
+
+		prev = current;
+		current = dataTypes.shift();
+
+		if ( current ) {
+
+			// There's only work to do if current dataType is non-auto
+			if ( current === "*" ) {
+
+				current = prev;
+
+			// Convert response if prev dataType is non-auto and differs from current
+			} else if ( prev !== "*" && prev !== current ) {
+
+				// Seek a direct converter
+				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
+
+				// If none found, seek a pair
+				if ( !conv ) {
+					for ( conv2 in converters ) {
+
+						// If conv2 outputs current
+						tmp = conv2.split( " " );
+						if ( tmp[ 1 ] === current ) {
+
+							// If prev can be converted to accepted input
+							conv = converters[ prev + " " + tmp[ 0 ] ] ||
+								converters[ "* " + tmp[ 0 ] ];
+							if ( conv ) {
+
+								// Condense equivalence converters
+								if ( conv === true ) {
+									conv = converters[ conv2 ];
+
+								// Otherwise, insert the intermediate dataType
+								} else if ( converters[ conv2 ] !== true ) {
+									current = tmp[ 0 ];
+									dataTypes.unshift( tmp[ 1 ] );
+								}
+								break;
+							}
+						}
+					}
+				}
+
+				// Apply converter (if not an equivalence)
+				if ( conv !== true ) {
+
+					// Unless errors are allowed to bubble, catch and return them
+					if ( conv && s.throws ) {
+						response = conv( response );
+					} else {
+						try {
+							response = conv( response );
+						} catch ( e ) {
+							return {
+								state: "parsererror",
+								error: conv ? e : "No conversion from " + prev + " to " + current
+							};
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return { state: "success", data: response };
+}
+
+jQuery.extend( {
+
+	// Counter for holding the number of active queries
+	active: 0,
+
+	// Last-Modified header cache for next request
+	lastModified: {},
+	etag: {},
+
+	ajaxSettings: {
+		url: location.href,
+		type: "GET",
+		isLocal: rlocalProtocol.test( location.protocol ),
+		global: true,
+		processData: true,
+		async: true,
+		contentType: "application/x-www-form-urlencoded; charset=UTF-8",
+
+		/*
+		timeout: 0,
+		data: null,
+		dataType: null,
+		username: null,
+		password: null,
+		cache: null,
+		throws: false,
+		traditional: false,
+		headers: {},
+		*/
+
+		accepts: {
+			"*": allTypes,
+			text: "text/plain",
+			html: "text/html",
+			xml: "application/xml, text/xml",
+			json: "application/json, text/javascript"
+		},
+
+		contents: {
+			xml: /\bxml\b/,
+			html: /\bhtml/,
+			json: /\bjson\b/
+		},
+
+		responseFields: {
+			xml: "responseXML",
+			text: "responseText",
+			json: "responseJSON"
+		},
+
+		// Data converters
+		// Keys separate source (or catchall "*") and destination types with a single space
+		converters: {
+
+			// Convert anything to text
+			"* text": String,
+
+			// Text to html (true = no transformation)
+			"text html": true,
+
+			// Evaluate text as a json expression
+			"text json": JSON.parse,
+
+			// Parse text as xml
+			"text xml": jQuery.parseXML
+		},
+
+		// For options that shouldn't be deep extended:
+		// you can add your own custom options here if
+		// and when you create one that shouldn't be
+		// deep extended (see ajaxExtend)
+		flatOptions: {
+			url: true,
+			context: true
+		}
+	},
+
+	// Creates a full fledged settings object into target
+	// with both ajaxSettings and settings fields.
+	// If target is omitted, writes into ajaxSettings.
+	ajaxSetup: function( target, settings ) {
+		return settings ?
+
+			// Building a settings object
+			ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
+
+			// Extending ajaxSettings
+			ajaxExtend( jQuery.ajaxSettings, target );
+	},
+
+	ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
+	ajaxTransport: addToPrefiltersOrTransports( transports ),
+
+	// Main method
+	ajax: function( url, options ) {
+
+		// If url is an object, simulate pre-1.5 signature
+		if ( typeof url === "object" ) {
+			options = url;
+			url = undefined;
+		}
+
+		// Force options to be an object
+		options = options || {};
+
+		var transport,
+
+			// URL without anti-cache param
+			cacheURL,
+
+			// Response headers
+			responseHeadersString,
+			responseHeaders,
+
+			// timeout handle
+			timeoutTimer,
+
+			// Url cleanup var
+			urlAnchor,
+
+			// Request state (becomes false upon send and true upon completion)
+			completed,
+
+			// To know if global events are to be dispatched
+			fireGlobals,
+
+			// Loop variable
+			i,
+
+			// uncached part of the url
+			uncached,
+
+			// Create the final options object
+			s = jQuery.ajaxSetup( {}, options ),
+
+			// Callbacks context
+			callbackContext = s.context || s,
+
+			// Context for global events is callbackContext if it is a DOM node or jQuery collection
+			globalEventContext = s.context &&
+				( callbackContext.nodeType || callbackContext.jquery ) ?
+					jQuery( callbackContext ) :
+					jQuery.event,
+
+			// Deferreds
+			deferred = jQuery.Deferred(),
+			completeDeferred = jQuery.Callbacks( "once memory" ),
+
+			// Status-dependent callbacks
+			statusCode = s.statusCode || {},
+
+			// Headers (they are sent all at once)
+			requestHeaders = {},
+			requestHeadersNames = {},
+
+			// Default abort message
+			strAbort = "canceled",
+
+			// Fake xhr
+			jqXHR = {
+				readyState: 0,
+
+				// Builds headers hashtable if needed
+				getResponseHeader: function( key ) {
+					var match;
+					if ( completed ) {
+						if ( !responseHeaders ) {
+							responseHeaders = {};
+							while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
+								responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
+									( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
+										.concat( match[ 2 ] );
+							}
+						}
+						match = responseHeaders[ key.toLowerCase() + " " ];
+					}
+					return match == null ? null : match.join( ", " );
+				},
+
+				// Raw string
+				getAllResponseHeaders: function() {
+					return completed ? responseHeadersString : null;
+				},
+
+				// Caches the header
+				setRequestHeader: function( name, value ) {
+					if ( completed == null ) {
+						name = requestHeadersNames[ name.toLowerCase() ] =
+							requestHeadersNames[ name.toLowerCase() ] || name;
+						requestHeaders[ name ] = value;
+					}
+					return this;
+				},
+
+				// Overrides response content-type header
+				overrideMimeType: function( type ) {
+					if ( completed == null ) {
+						s.mimeType = type;
+					}
+					return this;
+				},
+
+				// Status-dependent callbacks
+				statusCode: function( map ) {
+					var code;
+					if ( map ) {
+						if ( completed ) {
+
+							// Execute the appropriate callbacks
+							jqXHR.always( map[ jqXHR.status ] );
+						} else {
+
+							// Lazy-add the new callbacks in a way that preserves old ones
+							for ( code in map ) {
+								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
+							}
+						}
+					}
+					return this;
+				},
+
+				// Cancel the request
+				abort: function( statusText ) {
+					var finalText = statusText || strAbort;
+					if ( transport ) {
+						transport.abort( finalText );
+					}
+					done( 0, finalText );
+					return this;
+				}
+			};
+
+		// Attach deferreds
+		deferred.promise( jqXHR );
+
+		// Add protocol if not provided (prefilters might expect it)
+		// Handle falsy url in the settings object (#10093: consistency with old signature)
+		// We also use the url parameter if available
+		s.url = ( ( url || s.url || location.href ) + "" )
+			.replace( rprotocol, location.protocol + "//" );
+
+		// Alias method option to type as per ticket #12004
+		s.type = options.method || options.type || s.method || s.type;
+
+		// Extract dataTypes list
+		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
+
+		// A cross-domain request is in order when the origin doesn't match the current origin.
+		if ( s.crossDomain == null ) {
+			urlAnchor = document.createElement( "a" );
+
+			// Support: IE <=8 - 11, Edge 12 - 15
+			// IE throws exception on accessing the href property if url is malformed,
+			// e.g. http://example.com:80x/
+			try {
+				urlAnchor.href = s.url;
+
+				// Support: IE <=8 - 11 only
+				// Anchor's host property isn't correctly set when s.url is relative
+				urlAnchor.href = urlAnchor.href;
+				s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
+					urlAnchor.protocol + "//" + urlAnchor.host;
+			} catch ( e ) {
+
+				// If there is an error parsing the URL, assume it is crossDomain,
+				// it can be rejected by the transport if it is invalid
+				s.crossDomain = true;
+			}
+		}
+
+		// Convert data if not already a string
+		if ( s.data && s.processData && typeof s.data !== "string" ) {
+			s.data = jQuery.param( s.data, s.traditional );
+		}
+
+		// Apply prefilters
+		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
+
+		// If request was aborted inside a prefilter, stop there
+		if ( completed ) {
+			return jqXHR;
+		}
+
+		// We can fire global events as of now if asked to
+		// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
+		fireGlobals = jQuery.event && s.global;
+
+		// Watch for a new set of requests
+		if ( fireGlobals && jQuery.active++ === 0 ) {
+			jQuery.event.trigger( "ajaxStart" );
+		}
+
+		// Uppercase the type
+		s.type = s.type.toUpperCase();
+
+		// Determine if request has content
+		s.hasContent = !rnoContent.test( s.type );
+
+		// Save the URL in case we're toying with the If-Modified-Since
+		// and/or If-None-Match header later on
+		// Remove hash to simplify url manipulation
+		cacheURL = s.url.replace( rhash, "" );
+
+		// More options handling for requests with no content
+		if ( !s.hasContent ) {
+
+			// Remember the hash so we can put it back
+			uncached = s.url.slice( cacheURL.length );
+
+			// If data is available and should be processed, append data to url
+			if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
+				cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
+
+				// #9682: remove data so that it's not used in an eventual retry
+				delete s.data;
+			}
+
+			// Add or update anti-cache param if needed
+			if ( s.cache === false ) {
+				cacheURL = cacheURL.replace( rantiCache, "$1" );
+				uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
+			}
+
+			// Put hash and anti-cache on the URL that will be requested (gh-1732)
+			s.url = cacheURL + uncached;
+
+		// Change '%20' to '+' if this is encoded form body content (gh-2658)
+		} else if ( s.data && s.processData &&
+			( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
+			s.data = s.data.replace( r20, "+" );
+		}
+
+		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+		if ( s.ifModified ) {
+			if ( jQuery.lastModified[ cacheURL ] ) {
+				jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
+			}
+			if ( jQuery.etag[ cacheURL ] ) {
+				jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
+			}
+		}
+
+		// Set the correct header, if data is being sent
+		if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
+			jqXHR.setRequestHeader( "Content-Type", s.contentType );
+		}
+
+		// Set the Accepts header for the server, depending on the dataType
+		jqXHR.setRequestHeader(
+			"Accept",
+			s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
+				s.accepts[ s.dataTypes[ 0 ] ] +
+					( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
+				s.accepts[ "*" ]
+		);
+
+		// Check for headers option
+		for ( i in s.headers ) {
+			jqXHR.setRequestHeader( i, s.headers[ i ] );
+		}
+
+		// Allow custom headers/mimetypes and early abort
+		if ( s.beforeSend &&
+			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
+
+			// Abort if not done already and return
+			return jqXHR.abort();
+		}
+
+		// Aborting is no longer a cancellation
+		strAbort = "abort";
+
+		// Install callbacks on deferreds
+		completeDeferred.add( s.complete );
+		jqXHR.done( s.success );
+		jqXHR.fail( s.error );
+
+		// Get transport
+		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
+
+		// If no transport, we auto-abort
+		if ( !transport ) {
+			done( -1, "No Transport" );
+		} else {
+			jqXHR.readyState = 1;
+
+			// Send global event
+			if ( fireGlobals ) {
+				globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
+			}
+
+			// If request was aborted inside ajaxSend, stop there
+			if ( completed ) {
+				return jqXHR;
+			}
+
+			// Timeout
+			if ( s.async && s.timeout > 0 ) {
+				timeoutTimer = window.setTimeout( function() {
+					jqXHR.abort( "timeout" );
+				}, s.timeout );
+			}
+
+			try {
+				completed = false;
+				transport.send( requestHeaders, done );
+			} catch ( e ) {
+
+				// Rethrow post-completion exceptions
+				if ( completed ) {
+					throw e;
+				}
+
+				// Propagate others as results
+				done( -1, e );
+			}
+		}
+
+		// Callback for when everything is done
+		function done( status, nativeStatusText, responses, headers ) {
+			var isSuccess, success, error, response, modified,
+				statusText = nativeStatusText;
+
+			// Ignore repeat invocations
+			if ( completed ) {
+				return;
+			}
+
+			completed = true;
+
+			// Clear timeout if it exists
+			if ( timeoutTimer ) {
+				window.clearTimeout( timeoutTimer );
+			}
+
+			// Dereference transport for early garbage collection
+			// (no matter how long the jqXHR object will be used)
+			transport = undefined;
+
+			// Cache response headers
+			responseHeadersString = headers || "";
+
+			// Set readyState
+			jqXHR.readyState = status > 0 ? 4 : 0;
+
+			// Determine if successful
+			isSuccess = status >= 200 && status < 300 || status === 304;
+
+			// Get response data
+			if ( responses ) {
+				response = ajaxHandleResponses( s, jqXHR, responses );
+			}
+
+			// Convert no matter what (that way responseXXX fields are always set)
+			response = ajaxConvert( s, response, jqXHR, isSuccess );
+
+			// If successful, handle type chaining
+			if ( isSuccess ) {
+
+				// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+				if ( s.ifModified ) {
+					modified = jqXHR.getResponseHeader( "Last-Modified" );
+					if ( modified ) {
+						jQuery.lastModified[ cacheURL ] = modified;
+					}
+					modified = jqXHR.getResponseHeader( "etag" );
+					if ( modified ) {
+						jQuery.etag[ cacheURL ] = modified;
+					}
+				}
+
+				// if no content
+				if ( status === 204 || s.type === "HEAD" ) {
+					statusText = "nocontent";
+
+				// if not modified
+				} else if ( status === 304 ) {
+					statusText = "notmodified";
+
+				// If we have data, let's convert it
+				} else {
+					statusText = response.state;
+					success = response.data;
+					error = response.error;
+					isSuccess = !error;
+				}
+			} else {
+
+				// Extract error from statusText and normalize for non-aborts
+				error = statusText;
+				if ( status || !statusText ) {
+					statusText = "error";
+					if ( status < 0 ) {
+						status = 0;
+					}
+				}
+			}
+
+			// Set data for the fake xhr object
+			jqXHR.status = status;
+			jqXHR.statusText = ( nativeStatusText || statusText ) + "";
+
+			// Success/Error
+			if ( isSuccess ) {
+				deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
+			} else {
+				deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
+			}
+
+			// Status-dependent callbacks
+			jqXHR.statusCode( statusCode );
+			statusCode = undefined;
+
+			if ( fireGlobals ) {
+				globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
+					[ jqXHR, s, isSuccess ? success : error ] );
+			}
+
+			// Complete
+			completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
+
+			if ( fireGlobals ) {
+				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
+
+				// Handle the global AJAX counter
+				if ( !( --jQuery.active ) ) {
+					jQuery.event.trigger( "ajaxStop" );
+				}
+			}
+		}
+
+		return jqXHR;
+	},
+
+	getJSON: function( url, data, callback ) {
+		return jQuery.get( url, data, callback, "json" );
+	},
+
+	getScript: function( url, callback ) {
+		return jQuery.get( url, undefined, callback, "script" );
+	}
+} );
+
+jQuery.each( [ "get", "post" ], function( i, method ) {
+	jQuery[ method ] = function( url, data, callback, type ) {
+
+		// Shift arguments if data argument was omitted
+		if ( isFunction( data ) ) {
+			type = type || callback;
+			callback = data;
+			data = undefined;
+		}
+
+		// The url can be an options object (which then must have .url)
+		return jQuery.ajax( jQuery.extend( {
+			url: url,
+			type: method,
+			dataType: type,
+			data: data,
+			success: callback
+		}, jQuery.isPlainObject( url ) && url ) );
+	};
+} );
+
+
+jQuery._evalUrl = function( url, options ) {
+	return jQuery.ajax( {
+		url: url,
+
+		// Make this explicit, since user can override this through ajaxSetup (#11264)
+		type: "GET",
+		dataType: "script",
+		cache: true,
+		async: false,
+		global: false,
+
+		// Only evaluate the response if it is successful (gh-4126)
+		// dataFilter is not invoked for failure responses, so using it instead
+		// of the default converter is kludgy but it works.
+		converters: {
+			"text script": function() {}
+		},
+		dataFilter: function( response ) {
+			jQuery.globalEval( response, options );
+		}
+	} );
+};
+
+
+jQuery.fn.extend( {
+	wrapAll: function( html ) {
+		var wrap;
+
+		if ( this[ 0 ] ) {
+			if ( isFunction( html ) ) {
+				html = html.call( this[ 0 ] );
+			}
+
+			// The elements to wrap the target around
+			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
+
+			if ( this[ 0 ].parentNode ) {
+				wrap.insertBefore( this[ 0 ] );
+			}
+
+			wrap.map( function() {
+				var elem = this;
+
+				while ( elem.firstElementChild ) {
+					elem = elem.firstElementChild;
+				}
+
+				return elem;
+			} ).append( this );
+		}
+
+		return this;
+	},
+
+	wrapInner: function( html ) {
+		if ( isFunction( html ) ) {
+			return this.each( function( i ) {
+				jQuery( this ).wrapInner( html.call( this, i ) );
+			} );
+		}
+
+		return this.each( function() {
+			var self = jQuery( this ),
+				contents = self.contents();
+
+			if ( contents.length ) {
+				contents.wrapAll( html );
+
+			} else {
+				self.append( html );
+			}
+		} );
+	},
+
+	wrap: function( html ) {
+		var htmlIsFunction = isFunction( html );
+
+		return this.each( function( i ) {
+			jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
+		} );
+	},
+
+	unwrap: function( selector ) {
+		this.parent( selector ).not( "body" ).each( function() {
+			jQuery( this ).replaceWith( this.childNodes );
+		} );
+		return this;
+	}
+} );
+
+
+jQuery.expr.pseudos.hidden = function( elem ) {
+	return !jQuery.expr.pseudos.visible( elem );
+};
+jQuery.expr.pseudos.visible = function( elem ) {
+	return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
+};
+
+
+
+
+jQuery.ajaxSettings.xhr = function() {
+	try {
+		return new window.XMLHttpRequest();
+	} catch ( e ) {}
+};
+
+var xhrSuccessStatus = {
+
+		// File protocol always yields status code 0, assume 200
+		0: 200,
+
+		// Support: IE <=9 only
+		// #1450: sometimes IE returns 1223 when it should be 204
+		1223: 204
+	},
+	xhrSupported = jQuery.ajaxSettings.xhr();
+
+support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
+support.ajax = xhrSupported = !!xhrSupported;
+
+jQuery.ajaxTransport( function( options ) {
+	var callback, errorCallback;
+
+	// Cross domain only allowed if supported through XMLHttpRequest
+	if ( support.cors || xhrSupported && !options.crossDomain ) {
+		return {
+			send: function( headers, complete ) {
+				var i,
+					xhr = options.xhr();
+
+				xhr.open(
+					options.type,
+					options.url,
+					options.async,
+					options.username,
+					options.password
+				);
+
+				// Apply custom fields if provided
+				if ( options.xhrFields ) {
+					for ( i in options.xhrFields ) {
+						xhr[ i ] = options.xhrFields[ i ];
+					}
+				}
+
+				// Override mime type if needed
+				if ( options.mimeType && xhr.overrideMimeType ) {
+					xhr.overrideMimeType( options.mimeType );
+				}
+
+				// X-Requested-With header
+				// For cross-domain requests, seeing as conditions for a preflight are
+				// akin to a jigsaw puzzle, we simply never set it to be sure.
+				// (it can always be set on a per-request basis or even using ajaxSetup)
+				// For same-domain requests, won't change header if already provided.
+				if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
+					headers[ "X-Requested-With" ] = "XMLHttpRequest";
+				}
+
+				// Set headers
+				for ( i in headers ) {
+					xhr.setRequestHeader( i, headers[ i ] );
+				}
+
+				// Callback
+				callback = function( type ) {
+					return function() {
+						if ( callback ) {
+							callback = errorCallback = xhr.onload =
+								xhr.onerror = xhr.onabort = xhr.ontimeout =
+									xhr.onreadystatechange = null;
+
+							if ( type === "abort" ) {
+								xhr.abort();
+							} else if ( type === "error" ) {
+
+								// Support: IE <=9 only
+								// On a manual native abort, IE9 throws
+								// errors on any property access that is not readyState
+								if ( typeof xhr.status !== "number" ) {
+									complete( 0, "error" );
+								} else {
+									complete(
+
+										// File: protocol always yields status 0; see #8605, #14207
+										xhr.status,
+										xhr.statusText
+									);
+								}
+							} else {
+								complete(
+									xhrSuccessStatus[ xhr.status ] || xhr.status,
+									xhr.statusText,
+
+									// Support: IE <=9 only
+									// IE9 has no XHR2 but throws on binary (trac-11426)
+									// For XHR2 non-text, let the caller handle it (gh-2498)
+									( xhr.responseType || "text" ) !== "text"  ||
+									typeof xhr.responseText !== "string" ?
+										{ binary: xhr.response } :
+										{ text: xhr.responseText },
+									xhr.getAllResponseHeaders()
+								);
+							}
+						}
+					};
+				};
+
+				// Listen to events
+				xhr.onload = callback();
+				errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" );
+
+				// Support: IE 9 only
+				// Use onreadystatechange to replace onabort
+				// to handle uncaught aborts
+				if ( xhr.onabort !== undefined ) {
+					xhr.onabort = errorCallback;
+				} else {
+					xhr.onreadystatechange = function() {
+
+						// Check readyState before timeout as it changes
+						if ( xhr.readyState === 4 ) {
+
+							// Allow onerror to be called first,
+							// but that will not handle a native abort
+							// Also, save errorCallback to a variable
+							// as xhr.onerror cannot be accessed
+							window.setTimeout( function() {
+								if ( callback ) {
+									errorCallback();
+								}
+							} );
+						}
+					};
+				}
+
+				// Create the abort callback
+				callback = callback( "abort" );
+
+				try {
+
+					// Do send the request (this may raise an exception)
+					xhr.send( options.hasContent && options.data || null );
+				} catch ( e ) {
+
+					// #14683: Only rethrow if this hasn't been notified as an error yet
+					if ( callback ) {
+						throw e;
+					}
+				}
+			},
+
+			abort: function() {
+				if ( callback ) {
+					callback();
+				}
+			}
+		};
+	}
+} );
+
+
+
+
+// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
+jQuery.ajaxPrefilter( function( s ) {
+	if ( s.crossDomain ) {
+		s.contents.script = false;
+	}
+} );
+
+// Install script dataType
+jQuery.ajaxSetup( {
+	accepts: {
+		script: "text/javascript, application/javascript, " +
+			"application/ecmascript, application/x-ecmascript"
+	},
+	contents: {
+		script: /\b(?:java|ecma)script\b/
+	},
+	converters: {
+		"text script": function( text ) {
+			jQuery.globalEval( text );
+			return text;
+		}
+	}
+} );
+
+// Handle cache's special case and crossDomain
+jQuery.ajaxPrefilter( "script", function( s ) {
+	if ( s.cache === undefined ) {
+		s.cache = false;
+	}
+	if ( s.crossDomain ) {
+		s.type = "GET";
+	}
+} );
+
+// Bind script tag hack transport
+jQuery.ajaxTransport( "script", function( s ) {
+
+	// This transport only deals with cross domain or forced-by-attrs requests
+	if ( s.crossDomain || s.scriptAttrs ) {
+		var script, callback;
+		return {
+			send: function( _, complete ) {
+				script = jQuery( "
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
            
@@ -51,11 +71,25 @@
           
 
           
          • 
-            Features
+            
            
+              
+                Ecosystem
+              
+              
            
+                
+                  Models (Beta)
+                  
            Discover, publish, and reuse pre-trained models
            
+                            
+                
+                  Tools & Libraries
+                  
            Explore the ecosystem of tools and libraries
            
+                            
+              
            
+            
            
           
            • 
 
           
          • 
-            Ecosystem
+            Mobile
           
            • 
 
           
          • 
@@ -71,7 +105,21 @@
           
            • 
 
           
          • 
-            Resources
+            
            
+              
+                Resources
+              
+              
            
+                
+                  Developer Resources
+                  
            Find resources and get questions answered
            
+                            
+                
+                  About
+                  
            Learn about PyTorch’s features and capabilities
            
+                            
+              
            
+            
            
           
            • 
 
           
          • 
@@ -233,30 +281,30 @@ 
            spectrogram
 
            Parameters
            
 
              
-
            • waveform (torch.Tensor) – Tensor of audio of size (c, n) where c is in the range [0,2)
              • 
-
            • blackman_coeff (float) – Constant coefficient for generalized Blackman window. (Default: 0.42)
              • 
-
            • channel (int) – Channel to extract (-1 -> expect mono, 0 -> left, 1 -> right) (Default: -1)
              • 
-
            • dither (float) – Dithering constant (0.0 means no dither). If you turn this off, you should set
+
            • waveform (torch.Tensor) – Tensor of audio of size (c, n) where c is in the range [0,2)
              • 
+
            • blackman_coeff (float) – Constant coefficient for generalized Blackman window. (Default: 0.42)
              • 
+
            • channel (int) – Channel to extract (-1 -> expect mono, 0 -> left, 1 -> right) (Default: -1)
              • 
+
            • dither (float) – Dithering constant (0.0 means no dither). If you turn this off, you should set
 the energy_floor option, e.g. to 1.0 or 0.1 (Default: 1.0)
              • 
-
            • energy_floor (float) – Floor on energy (absolute, not relative) in Spectrogram computation.  Caution:
+
            • energy_floor (float) – Floor on energy (absolute, not relative) in Spectrogram computation.  Caution:
 this floor is applied to the zeroth component, representing the total signal energy.  The floor on the
 individual spectrogram elements is fixed at std::numeric_limits<float>::epsilon(). (Default: 0.0)
              • 
-
            • frame_length (float) – Frame length in milliseconds (Default: 25.0)
              • 
-
            • frame_shift (float) – Frame shift in milliseconds (Default: 10.0)
              • 
-
            • min_duration (float) – Minimum duration of segments to process (in seconds). (Default: 0.0)
              • 
-
            • preemphasis_coefficient (float) – Coefficient for use in signal preemphasis (Default: 0.97)
              • 
-
            • raw_energy (bool) – If True, compute energy before preemphasis and windowing (Default: True)
              • 
+
            • frame_length (float) – Frame length in milliseconds (Default: 25.0)
              • 
+
            • frame_shift (float) – Frame shift in milliseconds (Default: 10.0)
              • 
+
            • min_duration (float) – Minimum duration of segments to process (in seconds). (Default: 0.0)
              • 
+
            • preemphasis_coefficient (float) – Coefficient for use in signal preemphasis (Default: 0.97)
              • 
+
            • raw_energy (bool) – If True, compute energy before preemphasis and windowing (Default: True)
              • 
 
            • remove_dc_offset – Subtract mean from waveform on each frame (Default: True)
              • 
-
            • round_to_power_of_two (bool) – If True, round window size to power of two by zero-padding input
+
            • round_to_power_of_two (bool) – If True, round window size to power of two by zero-padding input
 to FFT. (Default: True)
              • 
-
            • sample_frequency (float) – Waveform data sample frequency (must match the waveform file, if
+
            • sample_frequency (float) – Waveform data sample frequency (must match the waveform file, if
 specified there) (Default: 16000.0)
              • 
-
            • snip_edges (bool) – If True, end effects will be handled by outputting only frames that completely fit
+
            • snip_edges (bool) – If True, end effects will be handled by outputting only frames that completely fit
 in the file, and the number of frames depends on the frame_length.  If False, the number of frames
 depends only on the frame_shift, and we reflect the data at the ends. (Default: True)
              • 
-
            • subtract_mean (bool) – Subtract mean of each feature file [CMS]; not recommended to do
+
            • subtract_mean (bool) – Subtract mean of each feature file [CMS]; not recommended to do
 it this way.  (Default: False)
              • 
-
            • window_type (str) – Type of window (‘hamming’|’hanning’|’povey’|’rectangular’|’blackman’) (Default: 'povey')
              • 
+
            • window_type (str) – Type of window (‘hamming’|’hanning’|’povey’|’rectangular’|’blackman’) (Default: 'povey')
              • 
 
            
 
            
 
            Returns
            
@@ -264,7 +312,7 @@ 
            spectrogrampadded_window_size // 2 + 1) where m is calculated in _get_strided
            
 
 
            Return type
            
-
            torch.Tensor
            
+
            torch.Tensor
            
 
            
 
 
@@ -280,42 +328,42 @@ 
            fbank
 
            Parameters
            
 
              
-
            • waveform (torch.Tensor) – Tensor of audio of size (c, n) where c is in the range [0,2)
              • 
-
            • blackman_coeff (float) – Constant coefficient for generalized Blackman window. (Default: 0.42)
              • 
-
            • channel (int) – Channel to extract (-1 -> expect mono, 0 -> left, 1 -> right) (Default: -1)
              • 
-
            • dither (float) – Dithering constant (0.0 means no dither). If you turn this off, you should set
+
            • waveform (torch.Tensor) – Tensor of audio of size (c, n) where c is in the range [0,2)
              • 
+
            • blackman_coeff (float) – Constant coefficient for generalized Blackman window. (Default: 0.42)
              • 
+
            • channel (int) – Channel to extract (-1 -> expect mono, 0 -> left, 1 -> right) (Default: -1)
              • 
+
            • dither (float) – Dithering constant (0.0 means no dither). If you turn this off, you should set
 the energy_floor option, e.g. to 1.0 or 0.1 (Default: 1.0)
              • 
-
            • energy_floor (float) – Floor on energy (absolute, not relative) in Spectrogram computation.  Caution:
+
            • energy_floor (float) – Floor on energy (absolute, not relative) in Spectrogram computation.  Caution:
 this floor is applied to the zeroth component, representing the total signal energy.  The floor on the
 individual spectrogram elements is fixed at std::numeric_limits<float>::epsilon(). (Default: 0.0)
              • 
-
            • frame_length (float) – Frame length in milliseconds (Default: 25.0)
              • 
-
            • frame_shift (float) – Frame shift in milliseconds (Default: 10.0)
              • 
-
            • high_freq (float) – High cutoff frequency for mel bins (if <= 0, offset from Nyquist) (Default: 0.0)
              • 
-
            • htk_compat (bool) – If true, put energy last.  Warning: not sufficient to get HTK compatible features (need
+
            • frame_length (float) – Frame length in milliseconds (Default: 25.0)
              • 
+
            • frame_shift (float) – Frame shift in milliseconds (Default: 10.0)
              • 
+
            • high_freq (float) – High cutoff frequency for mel bins (if <= 0, offset from Nyquist) (Default: 0.0)
              • 
+
            • htk_compat (bool) – If true, put energy last.  Warning: not sufficient to get HTK compatible features (need
 to change other parameters). (Default: False)
              • 
-
            • low_freq (float) – Low cutoff frequency for mel bins (Default: 20.0)
              • 
-
            • min_duration (float) – Minimum duration of segments to process (in seconds). (Default: 0.0)
              • 
-
            • num_mel_bins (int) – Number of triangular mel-frequency bins (Default: 23)
              • 
-
            • preemphasis_coefficient (float) – Coefficient for use in signal preemphasis (Default: 0.97)
              • 
-
            • raw_energy (bool) – If True, compute energy before preemphasis and windowing (Default: True)
              • 
+
            • low_freq (float) – Low cutoff frequency for mel bins (Default: 20.0)
              • 
+
            • min_duration (float) – Minimum duration of segments to process (in seconds). (Default: 0.0)
              • 
+
            • num_mel_bins (int) – Number of triangular mel-frequency bins (Default: 23)
              • 
+
            • preemphasis_coefficient (float) – Coefficient for use in signal preemphasis (Default: 0.97)
              • 
+
            • raw_energy (bool) – If True, compute energy before preemphasis and windowing (Default: True)
              • 
 
            • remove_dc_offset – Subtract mean from waveform on each frame (Default: True)
              • 
-
            • round_to_power_of_two (bool) – If True, round window size to power of two by zero-padding input
+
            • round_to_power_of_two (bool) – If True, round window size to power of two by zero-padding input
 to FFT. (Default: True)
              • 
-
            • sample_frequency (float) – Waveform data sample frequency (must match the waveform file, if
+
            • sample_frequency (float) – Waveform data sample frequency (must match the waveform file, if
 specified there) (Default: 16000.0)
              • 
-
            • snip_edges (bool) – If True, end effects will be handled by outputting only frames that completely fit
+
            • snip_edges (bool) – If True, end effects will be handled by outputting only frames that completely fit
 in the file, and the number of frames depends on the frame_length.  If False, the number of frames
 depends only on the frame_shift, and we reflect the data at the ends. (Default: True)
              • 
-
            • subtract_mean (bool) – Subtract mean of each feature file [CMS]; not recommended to do
+
            • subtract_mean (bool) – Subtract mean of each feature file [CMS]; not recommended to do
 it this way.  (Default: False)
              • 
-
            • use_energy (bool) – Add an extra dimension with energy to the FBANK output. (Default: False)
              • 
-
            • use_log_fbank (bool) – If true, produce log-filterbank, else produce linear. (Default: True)
              • 
-
            • use_power (bool) – If true, use power, else use magnitude. (Default: True)
              • 
-
            • vtln_high (float) – High inflection point in piecewise linear VTLN warping function (if
+
            • use_energy (bool) – Add an extra dimension with energy to the FBANK output. (Default: False)
              • 
+
            • use_log_fbank (bool) – If true, produce log-filterbank, else produce linear. (Default: True)
              • 
+
            • use_power (bool) – If true, use power, else use magnitude. (Default: True)
              • 
+
            • vtln_high (float) – High inflection point in piecewise linear VTLN warping function (if
 negative, offset from high-mel-freq (Default: -500.0)
              • 
-
            • vtln_low (float) – Low inflection point in piecewise linear VTLN warping function (Default: 100.0)
              • 
-
            • vtln_warp (float) – Vtln warp factor (only applicable if vtln_map not specified) (Default: 1.0)
              • 
-
            • window_type (str) – Type of window (‘hamming’|’hanning’|’povey’|’rectangular’|’blackman’) (Default: 'povey')
              • 
+
            • vtln_low (float) – Low inflection point in piecewise linear VTLN warping function (Default: 100.0)
              • 
+
            • vtln_warp (float) – Vtln warp factor (only applicable if vtln_map not specified) (Default: 1.0)
              • 
+
            • window_type (str) – Type of window (‘hamming’|’hanning’|’povey’|’rectangular’|’blackman’) (Default: 'povey')
              • 
 
            
 
            
 
            Returns
            
@@ -323,7 +371,7 @@ 
            fbank
 
 
            Return type
            
-
            torch.Tensor
            
+
            torch.Tensor
            
 
            
 
 
@@ -339,42 +387,42 @@ 
            mfcc
 
            Parameters
            
 
              
-
            • waveform (torch.Tensor) – Tensor of audio of size (c, n) where c is in the range [0,2)
              • 
-
            • blackman_coeff (float) – Constant coefficient for generalized Blackman window. (Default: 0.42)
              • 
-
            • cepstral_lifter (float) – Constant that controls scaling of MFCCs (Default: 22.0)
              • 
-
            • channel (int) – Channel to extract (-1 -> expect mono, 0 -> left, 1 -> right) (Default: -1)
              • 
-
            • dither (float) – Dithering constant (0.0 means no dither). If you turn this off, you should set
+
            • waveform (torch.Tensor) – Tensor of audio of size (c, n) where c is in the range [0,2)
              • 
+
            • blackman_coeff (float) – Constant coefficient for generalized Blackman window. (Default: 0.42)
              • 
+
            • cepstral_lifter (float) – Constant that controls scaling of MFCCs (Default: 22.0)
              • 
+
            • channel (int) – Channel to extract (-1 -> expect mono, 0 -> left, 1 -> right) (Default: -1)
              • 
+
            • dither (float) – Dithering constant (0.0 means no dither). If you turn this off, you should set
 the energy_floor option, e.g. to 1.0 or 0.1 (Default: 1.0)
              • 
-
            • energy_floor (float) – Floor on energy (absolute, not relative) in Spectrogram computation.  Caution:
+
            • energy_floor (float) – Floor on energy (absolute, not relative) in Spectrogram computation.  Caution:
 this floor is applied to the zeroth component, representing the total signal energy.  The floor on the
 individual spectrogram elements is fixed at std::numeric_limits<float>::epsilon(). (Default: 0.0)
              • 
-
            • frame_length (float) – Frame length in milliseconds (Default: 25.0)
              • 
-
            • frame_shift (float) – Frame shift in milliseconds (Default: 10.0)
              • 
-
            • high_freq (float) – High cutoff frequency for mel bins (if <= 0, offset from Nyquist) (Default: 0.0)
              • 
-
            • htk_compat (bool) – If true, put energy last.  Warning: not sufficient to get HTK compatible features (need
+
            • frame_length (float) – Frame length in milliseconds (Default: 25.0)
              • 
+
            • frame_shift (float) – Frame shift in milliseconds (Default: 10.0)
              • 
+
            • high_freq (float) – High cutoff frequency for mel bins (if <= 0, offset from Nyquist) (Default: 0.0)
              • 
+
            • htk_compat (bool) – If true, put energy last.  Warning: not sufficient to get HTK compatible features (need
 to change other parameters). (Default: False)
              • 
-
            • low_freq (float) – Low cutoff frequency for mel bins (Default: 20.0)
              • 
-
            • num_ceps (int) – Number of cepstra in MFCC computation (including C0) (Default: 13)
              • 
-
            • min_duration (float) – Minimum duration of segments to process (in seconds). (Default: 0.0)
              • 
-
            • num_mel_bins (int) – Number of triangular mel-frequency bins (Default: 23)
              • 
-
            • preemphasis_coefficient (float) – Coefficient for use in signal preemphasis (Default: 0.97)
              • 
-
            • raw_energy (bool) – If True, compute energy before preemphasis and windowing (Default: True)
              • 
+
            • low_freq (float) – Low cutoff frequency for mel bins (Default: 20.0)
              • 
+
            • num_ceps (int) – Number of cepstra in MFCC computation (including C0) (Default: 13)
              • 
+
            • min_duration (float) – Minimum duration of segments to process (in seconds). (Default: 0.0)
              • 
+
            • num_mel_bins (int) – Number of triangular mel-frequency bins (Default: 23)
              • 
+
            • preemphasis_coefficient (float) – Coefficient for use in signal preemphasis (Default: 0.97)
              • 
+
            • raw_energy (bool) – If True, compute energy before preemphasis and windowing (Default: True)
              • 
 
            • remove_dc_offset – Subtract mean from waveform on each frame (Default: True)
              • 
-
            • round_to_power_of_two (bool) – If True, round window size to power of two by zero-padding input
+
            • round_to_power_of_two (bool) – If True, round window size to power of two by zero-padding input
 to FFT. (Default: True)
              • 
-
            • sample_frequency (float) – Waveform data sample frequency (must match the waveform file, if
+
            • sample_frequency (float) – Waveform data sample frequency (must match the waveform file, if
 specified there) (Default: 16000.0)
              • 
-
            • snip_edges (bool) – If True, end effects will be handled by outputting only frames that completely fit
+
            • snip_edges (bool) – If True, end effects will be handled by outputting only frames that completely fit
 in the file, and the number of frames depends on the frame_length.  If False, the number of frames
 depends only on the frame_shift, and we reflect the data at the ends. (Default: True)
              • 
-
            • subtract_mean (bool) – Subtract mean of each feature file [CMS]; not recommended to do
+
            • subtract_mean (bool) – Subtract mean of each feature file [CMS]; not recommended to do
 it this way.  (Default: False)
              • 
-
            • use_energy (bool) – Add an extra dimension with energy to the FBANK output. (Default: False)
              • 
-
            • vtln_high (float) – High inflection point in piecewise linear VTLN warping function (if
+
            • use_energy (bool) – Add an extra dimension with energy to the FBANK output. (Default: False)
              • 
+
            • vtln_high (float) – High inflection point in piecewise linear VTLN warping function (if
 negative, offset from high-mel-freq (Default: -500.0)
              • 
-
            • vtln_low (float) – Low inflection point in piecewise linear VTLN warping function (Default: 100.0)
              • 
-
            • vtln_warp (float) – Vtln warp factor (only applicable if vtln_map not specified) (Default: 1.0)
              • 
-
            • window_type (str) – Type of window (‘hamming’|’hanning’|’povey’|’rectangular’|’blackman’) (Default: 'povey')
              • 
+
            • vtln_low (float) – Low inflection point in piecewise linear VTLN warping function (Default: 100.0)
              • 
+
            • vtln_warp (float) – Vtln warp factor (only applicable if vtln_map not specified) (Default: 1.0)
              • 
+
            • window_type (str) – Type of window (‘hamming’|’hanning’|’povey’|’rectangular’|’blackman’) (Default: 'povey')
              • 
 
            
 
            
 
            Returns
            
@@ -382,7 +430,7 @@ 
            mfcc
 
 
            Return type
            
-
            torch.Tensor
            
+
            torch.Tensor
            
 
            
 
 
@@ -403,10 +451,10 @@ 
            resample_waveform
 
            Parameters
            
 
              
-
            • waveform (torch.Tensor) – The input signal of size (c, n)
              • 
-
            • orig_freq (float) – The original frequency of the signal
              • 
-
            • new_freq (float) – The desired frequency
              • 
-
            • lowpass_filter_width (int) – Controls the sharpness of the filter, more == sharper
+
            • waveform (torch.Tensor) – The input signal of size (c, n)
              • 
+
            • orig_freq (float) – The original frequency of the signal
              • 
+
            • new_freq (float) – The desired frequency
              • 
+
            • lowpass_filter_width (int) – Controls the sharpness of the filter, more == sharper
 but less efficient. We suggest around 4 to 10 for normal use. (Default: 6)
              • 
 
            
 
            
@@ -414,7 +462,7 @@ 
            resample_waveform
            The waveform at the new frequency
            
 
 
            Return type
            
-
            torch.Tensor
            
+
            torch.Tensor
            
 
            
 
 
@@ -495,8 +543,8 @@ 
            resample_waveform
          
          
-         
-         
+         
+         
          
      
 
@@ -638,15 +686,23 @@ 
            Resources
            
       
            
         
              
           
            • 
-            Get Started
+            Get Started
+          
              • 
+
+          
            • 
+            Features
+          
              • 
+
+          
            • 
+            Ecosystem
           
              • 
 
           
            • 
-            Features
+            Mobile
           
              • 
 
           
            • 
-            Ecosystem
+            PyTorch Hub
           
              • 
 
           
            • 
@@ -685,6 +741,7 @@ 
              Resources
              
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/datasets.html b/datasets.html
index 80b61c03c9..1ae3beee0f 100644
--- a/datasets.html
+++ b/datasets.html
@@ -28,7 +28,7 @@
   
   
   
-  
+  
   
     
     
@@ -37,6 +37,26 @@
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
              
@@ -51,11 +71,25 @@
           
              • 
 
           
            • 
-            Features
+            
              
+              
+                Ecosystem
+              
+              
              
+                
+                  Models (Beta)
+                  
              Discover, publish, and reuse pre-trained models
              
+                              
+                
+                  Tools & Libraries
+                  
              Explore the ecosystem of tools and libraries
              
+                              
+              
              
+            
              
           
              • 
 
           
            • 
-            Ecosystem
+            Mobile
           
              • 
 
           
            • 
@@ -71,7 +105,21 @@
           
              • 
 
           
            • 
-            Resources
+            
              
+              
+                Resources
+              
+              
              
+                
+                  Developer Resources
+                  
              Find resources and get questions answered
              
+                              
+                
+                  About
+                  
              Learn about PyTorch’s features and capabilities
              
+                              
+              
              
+            
              
           
              • 
 
           
            • 
@@ -218,9 +266,9 @@
               
   
              
 
              torchaudio.datasets
              
-
              All datasets are subclasses of torch.utils.data.Dataset
+
              All datasets are subclasses of torch.utils.data.Dataset
 i.e, they have __getitem__ and __len__ methods implemented.
-Hence, they can all be passed to a torch.utils.data.DataLoader
+Hence, they can all be passed to a torch.utils.data.DataLoader
 which can load multiple samples parallelly using torch.multiprocessing workers.
 For example:
              
 
              yesno_data = torchaudio.datasets.YESNO('.', download=True)
@@ -234,98 +282,53 @@ 
              torchaudio.datasets
 
              Datasets
              
               
 
              
 
              All the datasets have almost similar API. They all have two common arguments:
 transform and  target_transform to transform the input and target respectively.
              
-
              
-
              VCTK
              
+
              
+
              COMMONVOICE
              
 
              
-
              
-class torchaudio.datasets.VCTK(root, downsample=True, transform=None, target_transform=None, download=False, dev_mode=False)[source]
              
-
              VCTK Dataset.
-alternate url
              
-
              
-
              Parameters
              
-
                
-
              • root (str) – Root directory of dataset where processed/training.pt
-and  processed/test.pt exist.
                • 
-
              • downsample (bool, optional) – Whether to downsample the signal (Default: True)
                • 
-
              • transform (Callable, optional) – A function/transform that takes in an raw audio
-and returns a transformed version. E.g, transforms.Spectrogram. (Default: None)
                • 
-
              • target_transform (callable, optional) – A function/transform that takes in the
-target and transforms it. (Default: None)
                • 
-
              • download (bool, optional) – If true, downloads the dataset from the internet and
-puts it in root directory. If dataset is already downloaded, it is not
-downloaded again. (Default: True)
                • 
-
              • dev_mode (bool, optional) – If true, clean up is not performed on downloaded
-files.  Useful to keep raw audio and transcriptions. (Default: False)
                • 
-
              
-
              
-
              
-
              
-
              
-__getitem__(index)[source]
              
-
              
-
              Parameters
              
-
              index (int) – Index
              
-
              
-
              Returns
              
-
              The output tuple (image, target) where target
-is index of the target class.
              
-
              
-
              Return type
              
-
              Tuple[torch.Tensor, int]
              
-
              
-
              
+
              
+class torchaudio.datasets.COMMONVOICE(root, tsv='train.tsv', url='english', download=False)[source]
              
+
              Create a Dataset for CommonVoice. Each item is a tuple of the form:
+(waveform, sample_rate, dictionary)
+where dictionary is a dictionary built from the tsv file with the following keys:
+client_id, path, sentence, up_votes, down_votes, age, gender, accent.
              
 
              
 
+
              
+
              
+
              LIBRISPEECH
              
+
              
+
              
+class torchaudio.datasets.LIBRISPEECH(root, url='train-clean-100', folder_in_archive='LibriSpeech', download=False)[source]
              
+
              Create a Dataset for LibriSpeech. Each item is a tuple of the form:
+waveform, sample_rate, utterance, speaker_id, chapter_id, utterance_id
              
 
              
 
 
              
-
              
-
              YESNO
              
+
              
+
              VCTK
              
 
              
-
              
-class torchaudio.datasets.YESNO(root, transform=None, target_transform=None, download=False, dev_mode=False)[source]
              
-
              YesNo Hebrew Dataset.
              
-
              
-
              Parameters
              
-
                
-
              • root (str) – Root directory of dataset where processed/training.pt
-and  processed/test.pt exist.
                • 
-
              • transform (Callable, optional) – A function/transform that takes in an PIL image
-and returns a transformed version. E.g, transforms.Spectrogram. (
-Default: None)
                • 
-
              • target_transform (Callable, optional) – A function/transform that takes in the
-target and transforms it. (Default: None)
                • 
-
              • download (bool, optional) – If true, downloads the dataset from the internet and
-puts it in root directory. If dataset is already downloaded, it is not
-downloaded again. (Default: False)
                • 
-
              • dev_mode (bool, optional) – If true, clean up is not performed on downloaded
-files.  Useful to keep raw audio and transcriptions. (Default: False)
                • 
-
              
-
              
-
              
-
              
-
              
-__getitem__(index)[source]
              
-
              
-
              Parameters
              
-
              index (int) – Index
              
-
              
-
              Returns
              
-
              The output tuple (image, target) where target
-is index of the target class.
              
-
              
-
              Return type
              
-
              Tuple[torch.Tensor, int]
              
-
              
-
              
+
              
+class torchaudio.datasets.VCTK(root, url='http://homepages.inf.ed.ac.uk/jyamagis/release/VCTK-Corpus.tar.gz', folder_in_archive='VCTK-Corpus', download=False, downsample=False, transform=None, target_transform=None)[source]
              
+
              Create a Dataset for VCTK. Each item is a tuple of the form:
+(waveform, sample_rate, utterance, speaker_id, utterance_id)
              
 
              
 
+
              
+
              
+
              YESNO
              
+
              
+
              
+class torchaudio.datasets.YESNO(root, url='http://www.openslr.org/resources/1/waves_yesno.tar.gz', folder_in_archive='waves_yesno', download=False, transform=None, target_transform=None)[source]
              
+
              Create a Dataset for YesNo. Each item is a tuple of the form:
+(waveform, sample_rate, labels)
              
 
              
 
 
              
@@ -375,6 +378,8 @@ 
              YESNO
               
                
 
              • torchaudio.datasets
@@ -398,8 +403,8 @@ 
                YESNO
          
          
-         
-         
+         
+         
          
      
 
@@ -541,15 +546,23 @@ 
                Resources
                
       
                
         
                  
           
                • 
-            Get Started
+            Get Started
+          
                  • 
+
+          
                • 
+            Features
+          
                  • 
+
+          
                • 
+            Ecosystem
           
                  • 
 
           
                • 
-            Features
+            Mobile
           
                  • 
 
           
                • 
-            Ecosystem
+            PyTorch Hub
           
                  • 
 
           
                • 
@@ -588,6 +601,7 @@ 
                  Resources
                  
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/functional.html b/functional.html
index a140ea1180..723402f0e0 100644
--- a/functional.html
+++ b/functional.html
@@ -28,7 +28,7 @@
   
   
   
-  
+  
   
     
     
@@ -36,6 +36,26 @@
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
                  
@@ -50,11 +70,25 @@
           
                  • 
 
           
                • 
-            Features
+            
                  
+              
+                Ecosystem
+              
+              
                  
+                
+                  Models (Beta)
+                  
                  Discover, publish, and reuse pre-trained models
                  
+                                  
+                
+                  Tools & Libraries
+                  
                  Explore the ecosystem of tools and libraries
                  
+                                  
+              
                  
+            
                  
           
                  • 
 
           
                • 
-            Ecosystem
+            Mobile
           
                  • 
 
           
                • 
@@ -70,7 +104,21 @@
           
                  • 
 
           
                • 
-            Resources
+            
                  
+              
+                Resources
+              
+              
                  
+                
+                  Developer Resources
+                  
                  Find resources and get questions answered
                  
+                                  
+                
+                  About
+                  
                  Learn about PyTorch’s features and capabilities
                  
+                                  
+              
                  
+            
                  
           
                  • 
 
           
                • 
@@ -238,7 +286,7 @@ 
                  istft
 
                  Example: Suppose the last window is:
 [17, 18, 0, 0, 0] vs [18, 0, 0, 0, 0]
                  
-
                  The n_frames, hop_length, win_length are all the same which prevents the calculation of right padding.
+
                  The n_frame, hop_length, win_length are all the same which prevents the calculation of right padding.
 These additional values could be zeros or a reflection of the signal so providing length
 could be useful. If length is None then padding will be aggressively removed
 (some loss of signal).
                  
@@ -247,32 +295,30 @@ 
                  istft
 
                  Parameters
                  
 
                    
-
                  • stft_matrix (torch.Tensor) – Output of stft where each row of a channel is a frequency and each
-column is a window. it has a size of either (channel, fft_size, n_frames, 2) or (
-fft_size, n_frames, 2)
                    • 
-
                  • n_fft (int) – Size of Fourier transform
                    • 
-
                  • hop_length (Optional[int]) – The distance between neighboring sliding window frames.
+
                  • stft_matrix (torch.Tensor) – Output of stft where each row of a channel is a frequency and each
+column is a window. It has a size of either (…, fft_size, n_frame, 2)
                    • 
+
                  • n_fft (int) – Size of Fourier transform
                    • 
+
                  • hop_length (Optional[int]) – The distance between neighboring sliding window frames.
 (Default: win_length // 4)
                    • 
-
                  • win_length (Optional[int]) – The size of window frame and STFT filter. (Default: n_fft)
                    • 
-
                  • window (Optional[torch.Tensor]) – The optional window function.
+
                  • win_length (Optional[int]) – The size of window frame and STFT filter. (Default: n_fft)
                    • 
+
                  • window (Optional[torch.Tensor]) – The optional window function.
 (Default: torch.ones(win_length))
                    • 
-
                  • center (bool) – Whether input was padded on both sides so
+
                  • center (bool) – Whether input was padded on both sides so
 that the \(t\)-th frame is centered at time \(t \times \text{hop\_length}\).
 (Default: True)
                    • 
-
                  • pad_mode (str) – Controls the padding method used when center is True. (Default:
+
                  • pad_mode (str) – Controls the padding method used when center is True. (Default:
 'reflect')
                    • 
-
                  • normalized (bool) – Whether the STFT was normalized. (Default: False)
                    • 
-
                  • onesided (bool) – Whether the STFT is onesided. (Default: True)
                    • 
-
                  • length (Optional[int]) – The amount to trim the signal by (i.e. the
+
                  • normalized (bool) – Whether the STFT was normalized. (Default: False)
                    • 
+
                  • onesided (bool) – Whether the STFT is onesided. (Default: True)
                    • 
+
                  • length (Optional[int]) – The amount to trim the signal by (i.e. the
 original signal length). (Default: whole signal)
                    • 
 
                  
 
                  
 
                  Returns
                  
-
                  Least squares estimation of the original signal of size
-(channel, signal_length) or (signal_length)
                  
+
                  Least squares estimation of the original signal of size (…, signal_length)
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
 
@@ -282,29 +328,31 @@ 
                  istftspectrogram
                  
 
                  
 
                  
-torchaudio.functional.spectrogram()
                  
-
                  Create a spectrogram from a raw audio signal.
                  
+torchaudio.functional.spectrogram(waveform, pad, window, n_fft, hop_length, win_length, power, normalized)[source]
+
                  Create a spectrogram or a batch of spectrograms from a raw audio signal.
+The spectrogram can be either magnitude-only or complex.
                  
 
                  
 
                  Parameters
                  
 
                    
-
                  • waveform (torch.Tensor) – Tensor of audio of dimension (channel, time)
                    • 
-
                  • pad (int) – Two sided padding of signal
                    • 
-
                  • window (torch.Tensor) – Window tensor that is applied/multiplied to each frame/window
                    • 
-
                  • n_fft (int) – Size of FFT
                    • 
-
                  • hop_length (int) – Length of hop between STFT windows
                    • 
-
                  • win_length (int) – Window size
                    • 
-
                  • power (int) – Exponent for the magnitude spectrogram,
-(must be > 0) e.g., 1 for energy, 2 for power, etc.
                    • 
-
                  • normalized (bool) – Whether to normalize by magnitude after stft
                    • 
+
                  • waveform (torch.Tensor) – Tensor of audio of dimension (…, time)
                    • 
+
                  • pad (int) – Two sided padding of signal
                    • 
+
                  • window (torch.Tensor) – Window tensor that is applied/multiplied to each frame/window
                    • 
+
                  • n_fft (int) – Size of FFT
                    • 
+
                  • hop_length (int) – Length of hop between STFT windows
                    • 
+
                  • win_length (int) – Window size
                    • 
+
                  • power (int) – Exponent for the magnitude spectrogram,
+(must be > 0) e.g., 1 for energy, 2 for power, etc.
+If None, then the complex spectrum is returned instead.
                    • 
+
                  • normalized (bool) – Whether to normalize by magnitude after stft
                    • 
 
                  
 
                  
 
                  Returns
                  
-
                  Dimension (channel, freq, time), where channel
-is unchanged, freq is n_fft // 2 + 1 where n_fft is the number of
-Fourier bins, and time is the number of window hops (n_frames).
                  
+
                  Dimension (…, freq, time), freq is
+n_fft // 2 + 1 and n_fft is the number of
+Fourier bins, and time is the number of window hops (n_frame).
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
                  
 
                  
@@ -314,19 +362,19 @@ 
                  spectrogramamplitude_to_DB
                  
 
                  
 
                  
-torchaudio.functional.amplitude_to_DB()
                  
-
                  Turns a tensor from the power/amplitude scale to the decibel scale.
                  
+torchaudio.functional.amplitude_to_DB(x, multiplier, amin, db_multiplier, top_db=None)[source]
+
                  Turn a tensor from the power/amplitude scale to the decibel scale.
                  
 
                  This output depends on the maximum value in the input tensor, and so
 may return different values for an audio clip split into snippets vs. a
 a full clip.
                  
 
                  
 
                  Parameters
                  
 
                    
-
                  • x (torch.Tensor) – Input tensor before being converted to decibel scale
                    • 
-
                  • multiplier (float) – Use 10. for power and 20. for amplitude
                    • 
-
                  • amin (float) – Number to clamp x
                    • 
-
                  • db_multiplier (float) – Log10(max(reference value and amin))
                    • 
-
                  • top_db (Optional[float]) – Minimum negative cut-off in decibels. A reasonable number
+
                  • x (torch.Tensor) – Input tensor before being converted to decibel scale
                    • 
+
                  • multiplier (float) – Use 10. for power and 20. for amplitude
                    • 
+
                  • amin (float) – Number to clamp x
                    • 
+
                  • db_multiplier (float) – Log10(max(reference value and amin))
                    • 
+
                  • top_db (Optional[float]) – Minimum negative cut-off in decibels. A reasonable number
 is 80. (Default: None)
                    • 
 
                  
 
                  
@@ -334,7 +382,7 @@ 
                  amplitude_to_DB
                  Output tensor in decibel scale
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
                  
 
@@ -344,15 +392,16 @@ 
                  amplitude_to_DBcreate_fb_matrix
                  
 
                  
 
                  
-torchaudio.functional.create_fb_matrix()
                  
+torchaudio.functional.create_fb_matrix(n_freqs, f_min, f_max, n_mels, sample_rate)[source]
 
                  Create a frequency bin conversion matrix.
                  
 
                  
 
                  Parameters
                  
 
                    
-
                  • n_freqs (int) – Number of frequencies to highlight/apply
                    • 
-
                  • f_min (float) – Minimum frequency
                    • 
-
                  • f_max (float) – Maximum frequency
                    • 
-
                  • n_mels (int) – Number of mel filterbanks
                    • 
+
                  • n_freqs (int) – Number of frequencies to highlight/apply
                    • 
+
                  • f_min (float) – Minimum frequency (Hz)
                    • 
+
                  • f_max (float) – Maximum frequency (Hz)
                    • 
+
                  • n_mels (int) – Number of mel filterbanks
                    • 
+
                  • sample_rate (int) – Sample rate of the audio waveform
                    • 
 
                  
 
                  
 
                  Returns
                  
@@ -363,7 +412,7 @@ 
                  create_fb_matrixA * create_fb_matrix(A.size(-1), ...).
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
                  
 
@@ -373,15 +422,15 @@ 
                  create_fb_matrixcreate_dct
                  
 
                  
 
                  
-torchaudio.functional.create_dct()
                  
-
                  Creates a DCT transformation matrix with shape (n_mels, n_mfcc),
+torchaudio.functional.create_dct(n_mfcc, n_mels, norm)[source]
+
                  Create a DCT transformation matrix with shape (n_mels, n_mfcc),
 normalized depending on norm.
                  
 
                  
 
                  Parameters
                  
 
                    
-
                  • n_mfcc (int) – Number of mfc coefficients to retain
                    • 
-
                  • n_mels (int) – Number of mel filterbanks
                    • 
-
                  • norm (Optional[str]) – Norm to use (either ‘ortho’ or None)
                    • 
+
                  • n_mfcc (int) – Number of mfc coefficients to retain
                    • 
+
                  • n_mels (int) – Number of mel filterbanks
                    • 
+
                  • norm (Optional[str]) – Norm to use (either ‘ortho’ or None)
                    • 
 
                  
 
                  
 
                  Returns
                  
@@ -389,7 +438,7 @@ 
                  create_dctn_mels, n_mfcc).
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
                  
 
@@ -399,7 +448,7 @@ 
                  create_dctmu_law_encoding
                  
 
                  
 
                  
-torchaudio.functional.mu_law_encoding()
                  
+torchaudio.functional.mu_law_encoding(x, quantization_channels)[source]
 
                  Encode signal based on mu-law companding.  For more info see the
 Wikipedia Entry
                  
 
                  This algorithm assumes the signal has been scaled to between -1 and 1 and
@@ -407,15 +456,15 @@ 
                  mu_law_encoding
 
                  Parameters
                  
 
                    
-
                  • x (torch.Tensor) – Input tensor
                    • 
-
                  • quantization_channels (int) – Number of channels
                    • 
+
                  • x (torch.Tensor) – Input tensor
                    • 
+
                  • quantization_channels (int) – Number of channels
                    • 
 
                  
 
                  
 
                  Returns
                  
 
                  Input after mu-law encoding
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
                  
 
@@ -425,7 +474,7 @@ 
                  mu_law_encodingmu_law_decoding
                  
 
                  
 
                  
-torchaudio.functional.mu_law_decoding()
                  
+torchaudio.functional.mu_law_decoding(x_mu, quantization_channels)[source]
 
                  Decode mu-law encoded signal.  For more info see the
 Wikipedia Entry
                  
 
                  This expects an input with values between 0 and quantization_channels - 1
@@ -433,15 +482,15 @@ 
                  mu_law_decoding
 
                  Parameters
                  
 
                  
 
                  
 
                  Returns
                  
 
                  Input after mu-law decoding
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
                  
 
@@ -456,15 +505,15 @@ 
                  complex_norm
 
                  Parameters
                  
 
                  
 
                  
 
                  Returns
                  
-
                  Power of the normed input tensor. Shape of (*, )
                  
+
                  Power of the normed input tensor. Shape of (…, )
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
 
@@ -478,13 +527,13 @@ 
                  angle
                  Compute the angle of complex tensor input.
                  
 
                  
 
                  Parameters
                  
-
                  complex_tensor (torch.Tensor) – Tensor shape of (*, complex=2)
                  
+
                  complex_tensor (torch.Tensor) – Tensor shape of (…, complex=2)
                  
 
                  
 
                  Returns
                  
-
                  Angle of a complex tensor. Shape of (*, )
                  
+
                  Angle of a complex tensor. Shape of (…, )
                  
 
                  
 
                  Return type
                  
-
                  torch.Tensor
                  
+
                  torch.Tensor
                  
 
                  
 
                  
 
@@ -495,19 +544,19 @@ 
                  magphase
 
                  
 torchaudio.functional.magphase(complex_tensor, power=1.0)[source]
                  
-
                  Separate a complex-valued spectrogram with shape (*, 2) into its magnitude and phase.
                  
+
                  Separate a complex-valued spectrogram with shape (…, 2) into its magnitude and phase.
                  
 
                  
 
                  Parameters
                  
 
                    
-
                  • complex_tensor (torch.Tensor) – Tensor shape of (*, complex=2)
                    • 
-
                  • power (float) – Power of the norm. (Default: 1.0)
                    • 
+
                  • complex_tensor (torch.Tensor) – Tensor shape of (…, complex=2)
                    • 
+
                  • power (float) – Power of the norm. (Default: 1.0)
                    • 
 
                  
 
                  
 
                  Returns
                  
 
                  The magnitude and phase of the complex tensor
                  
 
                  
 
                  Return type
                  
-
                  Tuple[torch.Tensor, torch.Tensor]
                  
+
                  Tuple[torch.Tensor, torch.Tensor]
                  
 
                  
 
                  
 
                  
@@ -523,36 +572,289 @@ 
                  phase_vocoder
 
                  Parameters
                  
 
                    
-
                  • complex_specgrams (torch.Tensor) – Dimension of (*, channel, freq, time, complex=2)
                    • 
-
                  • rate (float) – Speed-up factor
                    • 
-
                  • phase_advance (torch.Tensor) – Expected phase advance in each bin. Dimension
+
                  • complex_specgrams (torch.Tensor) – Dimension of (…, freq, time, complex=2)
                    • 
+
                  • rate (float) – Speed-up factor
                    • 
+
                  • phase_advance (torch.Tensor) – Expected phase advance in each bin. Dimension
 of (freq, 1)
                    • 
 
                  
 
                  
 
                  Returns
                  
-
                  Dimension of (*, channel,
+
                  Dimension of (…,
 freq, ceil(time/rate), complex=2)
                  
 
                  
 
                  Return type
                  
-
                  complex_specgrams_stretch (torch.Tensor)
                  
+
                  complex_specgrams_stretch (torch.Tensor)
                  
 
                  
 
 
                  
-
                  Example
                  >>> num_freqs, hop_length = 1025, 512
->>> # (batch, channel, num_freqs, time, complex=2)
->>> complex_specgrams = torch.randn(16, 1, num_freqs, 300, 2)
->>> rate = 1.3 # Slow down by 30%
+
                  Example
                  >>> freq, hop_length = 1025, 512
+>>> # (channel, freq, time, complex=2)
+>>> complex_specgrams = torch.randn(2, freq, 300, 2)
+>>> rate = 1.3 # Speed up by 30%
 >>> phase_advance = torch.linspace(
->>>    0, math.pi * hop_length, num_freqs)[..., None]
+>>>    0, math.pi * hop_length, freq)[..., None]
 >>> x = phase_vocoder(complex_specgrams, rate, phase_advance)
 >>> x.shape # with 231 == ceil(300 / 1.3)
-torch.Size([16, 1, 1025, 231, 2])
+torch.Size([2, 1025, 231, 2])
+
                  
+
                  
+
                  
+
                  
+
+
+
                
+
                
+
                lfilter
                
+
                
+
                
+torchaudio.functional.lfilter(waveform, a_coeffs, b_coeffs)[source]
                
+
                Perform an IIR filter by evaluating difference equation.
                
+
                
+
                Parameters
                
+
                  
+
                • waveform (torch.Tensor) – audio waveform of dimension of (…, time).  Must be normalized to -1 to 1.
                  • 
+
                • a_coeffs (torch.Tensor) – denominator coefficients of difference equation of dimension of (n_order + 1).
+Lower delays coefficients are first, e.g. [a0, a1, a2, …].
+Must be same size as b_coeffs (pad with 0’s as necessary).
                  • 
+
                • b_coeffs (torch.Tensor) – numerator coefficients of difference equation of dimension of (n_order + 1).
+Lower delays coefficients are first, e.g. [b0, b1, b2, …].
+Must be same size as a_coeffs (pad with 0’s as necessary).
                  • 
+
                
+
                
+
                Returns
                
+
                Dimension of (…, time).  Output will be clipped to -1 to 1.
                
+
                
+
                Return type
                
+
                output_waveform (torch.Tensor)
                
+
                
+
                
+
                
+
+
                
+
                
+
                biquad
                
+
                
+
                
+torchaudio.functional.biquad(waveform, b0, b1, b2, a0, a1, a2)[source]
                
+
                Perform a biquad filter of input tensor.  Initial conditions set to 0.
+https://en.wikipedia.org/wiki/Digital_biquad_filter
                
+
                
+
                Parameters
                
+
                  
+
                • waveform (torch.Tensor) – audio waveform of dimension of (…, time)
                  • 
+
                • b0 (float) – numerator coefficient of current input, x[n]
                  • 
+
                • b1 (float) – numerator coefficient of input one time step ago x[n-1]
                  • 
+
                • b2 (float) – numerator coefficient of input two time steps ago x[n-2]
                  • 
+
                • a0 (float) – denominator coefficient of current output y[n], typically 1
                  • 
+
                • a1 (float) – denominator coefficient of current output y[n-1]
                  • 
+
                • a2 (float) – denominator coefficient of current output y[n-2]
                  • 
+
                
+
                
+
                Returns
                
+
                Dimension of (…, time)
                
+
                
+
                Return type
                
+
                output_waveform (torch.Tensor)
                
+
                
+
                
+
                
+
+
                
+
                
+
                lowpass_biquad
                
+
                
+
                
+torchaudio.functional.lowpass_biquad(waveform, sample_rate, cutoff_freq, Q=0.707)[source]
                
+
                Design biquad lowpass filter and perform filtering.  Similar to SoX implementation.
                
+
                
+
                Parameters
                
+
                
+
                
+
                Returns
                
+
                Dimension of (…, time)
                
+
                
+
                Return type
                
+
                output_waveform (torch.Tensor)
                
+
                
+
                
+
                
+
+
                
+
                
+
                highpass_biquad
                
+
                
+
                
+torchaudio.functional.highpass_biquad(waveform, sample_rate, cutoff_freq, Q=0.707)[source]
                
+
                Design biquad highpass filter and perform filtering.  Similar to SoX implementation.
                
+
                
+
                Parameters
                
+
                
+
                
+
                Returns
                
+
                Dimension of (…, time)
                
+
                
+
                Return type
                
+
                output_waveform (torch.Tensor)
                
+
                
+
                
+
                
+
+
                
+
                
+
                equalizer_biquad
                
+
                
+
                
+torchaudio.functional.equalizer_biquad(waveform, sample_rate, center_freq, gain, Q=0.707)[source]
                
+
                Design biquad peaking equalizer filter and perform filtering.  Similar to SoX implementation.
                
+
                
+
                Parameters
                
+
                
+
                
+
                Returns
                
+
                Dimension of (…, time)
                
+
                
+
                Return type
                
+
                output_waveform (torch.Tensor)
                
+
                
+
                
+
                
+
+
                
+
                
+
                mask_along_axis
                
+
                
+
                
+torchaudio.functional.mask_along_axis(specgram, mask_param, mask_value, axis)[source]
                
+
                Apply a mask along axis. Mask will be applied from indices [v_0, v_0 + v), where
+v is sampled from uniform(0, mask_param), and v_0 from uniform(0, max_v - v).
+All examples will have the same mask interval.
                
+
                
+
                Parameters
                
+
                  
+
                • specgram (Tensor) – Real spectrogram (channel, freq, time)
                  • 
+
                • mask_param (int) – Number of columns to be masked will be uniformly sampled from [0, mask_param]
                  • 
+
                • mask_value (float) – Value to assign to the masked columns
                  • 
+
                • axis (int) – Axis to apply masking on (1 -> frequency, 2 -> time)
                  • 
+
                
+
                
+
                Returns
                
+
                Masked spectrogram of dimensions (channel, freq, time)
                
+
                
+
                Return type
                
+
                torch.Tensor
                
+
                
+
                
+
                
+
+
                
+
                
+
                mask_along_axis_iid
                
+
                
+
                
+torchaudio.functional.mask_along_axis_iid(specgrams, mask_param, mask_value, axis)[source]
                
+
                Apply a mask along axis. Mask will be applied from indices [v_0, v_0 + v), where
+v is sampled from uniform(0, mask_param), and v_0 from uniform(0, max_v - v).
+All examples will have the same mask interval.
                
+
                
+
                Parameters
                
+
                  
+
                • specgrams (Tensor) – Real spectrograms (batch, channel, freq, time)
                  • 
+
                • mask_param (int) – Number of columns to be masked will be uniformly sampled from [0, mask_param]
                  • 
+
                • mask_value (float) – Value to assign to the masked columns
                  • 
+
                • axis (int) – Axis to apply masking on (2 -> frequency, 3 -> time)
                  • 
+
                
+
                
+
                Returns
                
+
                Masked spectrograms of dimensions (batch, channel, freq, time)
                
+
                
+
                Return type
                
+
                torch.Tensor
                
+
                
+
                
+
                
+
+
                
+
                
+
                compute_deltas
                
+
                
+
                
+torchaudio.functional.compute_deltas(specgram, win_length=5, mode='replicate')[source]
                
+
                Compute delta coefficients of a tensor, usually a spectrogram:
                
+
                
+\[d_t = \frac{\sum_{n=1}^{\text{N}} n (c_{t+n} - c_{t-n})}{2 \sum_{n=1}^{\text{N} n^2}
+
+\]
                
+
                where \(d_t\) is the deltas at time \(t\),
+\(c_t\) is the spectrogram coeffcients at time \(t\),
+\(N\) is (win_length-1)//2.
                
+
                
+
                Parameters
                
+
                  
+
                • specgram (torch.Tensor) – Tensor of audio of dimension (…, freq, time)
                  • 
+
                • win_length (int) – The window length used for computing delta
                  • 
+
                • mode (str) – Mode parameter passed to padding
                  • 
+
                
+
                
+
                Returns
                
+
                Tensor of audio of dimension (…, freq, time)
                
+
                
+
                Return type
                
+
                deltas (torch.Tensor)
                
+
                
+
                
+
                
+
                Example
                >>> specgram = torch.randn(1, 40, 1000)
+>>> delta = compute_deltas(specgram)
+>>> delta2 = compute_deltas(delta)
 
                
 
                
 
                
 
                
 
                
 
+
                
+
                
+
                detect_pitch_frequency
                
+
                
+
                
+torchaudio.functional.detect_pitch_frequency(waveform, sample_rate, frame_time=0.01, win_length=30, freq_low=85, freq_high=3400)[source]
                
+
                Detect pitch frequency.
                
+
                It is implemented using normalized cross-correlation function and median smoothing.
                
+
                
+
                Parameters
                
+
                  
+
                • waveform (torch.Tensor) – Tensor of audio of dimension (…, freq, time)
                  • 
+
                • sample_rate (int) – The sample rate of the waveform (Hz)
                  • 
+
                • win_length (int) – The window length for median smoothing (in number of frames)
                  • 
+
                • freq_low (int) – Lowest frequency that can be detected (Hz)
                  • 
+
                • freq_high (int) – Highest frequency that can be detected (Hz)
                  • 
+
                
+
                
+
                Returns
                
+
                Tensor of audio of dimension (…, frame)
                
+
                
+
                Return type
                
+
                freq (torch.Tensor)
                
+
                
+
                
+
                
+
 
                
 
              
 
@@ -609,6 +911,15 @@ 
              phase_vocoderangle
              • 
 
            • magphase
              • 
 
            • phase_vocoder
              • 
+
            • lfilter
              • 
+
            • biquad
              • 
+
            • lowpass_biquad
              • 
+
            • highpass_biquad
              • 
+
            • equalizer_biquad
              • 
+
            • mask_along_axis
              • 
+
            • mask_along_axis_iid
              • 
+
            • compute_deltas
              • 
+
            • detect_pitch_frequency
              • 
 
            
 
            • 
 
@@ -630,8 +941,8 @@ 
            phase_vocoder
          
          
-         
-         
+         
+         
          
      
 
@@ -773,15 +1084,23 @@ 
            Resources
            
       
            
         
 
 
+
            H
            
+
+  
+
            
+
 
            I
            
 
            
   
              
@@ -334,11 +427,17 @@ 
              I
              
 
              L
              
 
              
   
   
 
              
@@ -347,15 +446,19 @@ 
              M
              
 
              
   
   
                
+      
              • MFCC (class in torchaudio.transforms)
+
                • 
       
              • mfcc() (in module torchaudio.compliance.kaldi)
 
                • 
       
              • mu_law_decoding() (in module torchaudio.functional)
@@ -436,6 +539,12 @@ 
                S
                
 
                T
                
 
+  
@@ -509,8 +618,8 @@ 
                Y
                
-         
-         
+         
+         
      
 
@@ -652,15 +761,23 @@ 
                Resources
                
         
 
 
              • torchaudio.functional
 
                • 
 
@@ -273,7 +337,7 @@ 
                torchaudio
 
                Parameters
                
-
                i (int, optional) – Choose type or get a dict with all possible options
+
                i (int, optional) – Choose type or get a dict with all possible options
 use __members__ to see all options when not specified. (Default:
 sox_false or 0)
                
 
                
@@ -292,7 +356,7 @@ 
                torchaudio
 
                Parameters
                
-
                i (int, optional) – Choose type or get a dict with all possible options
+
                i (int, optional) – Choose type or get a dict with all possible options
 use __members__ to see all options when not specified. (Default: None)
                
 
                
 
                Returns
                
@@ -310,7 +374,7 @@ 
                torchaudio
 
                Parameters
                
-
                i (int, optional) – Choose type or get a dict with all possible options
+
                i (int, optional) – Choose type or get a dict with all possible options
 use __members__ to see all options when not specified.
 (Default: sox_option_default or 2)
                
 
                
@@ -329,7 +393,7 @@ 
                torchaudio
 
                Parameters
                
-
                filepath (str) – Path to audio file
                
+
                filepath (str) – Path to audio file
                
 
                
 
                Returns
                
 
                A si (sox_signalinfo_t) signal
@@ -363,24 +427,24 @@ 
                torchaudio
 
                Parameters
                
 
                  
-
                • filepath (str or pathlib.Path) – Path to audio file
                  • 
-
                • out (torch.Tensor, optional) – An output tensor to use instead of creating one. (Default: None)
                  • 
-
                • normalization (bool, number, or callable, optional) – If boolean True, then output is divided by 1 << 31
-(assumes signed 32-bit audio), and normalizes to [0, 1].
+
                • filepath (str or pathlib.Path) – Path to audio file
                  • 
+
                • out (torch.Tensor, optional) – An output tensor to use instead of creating one. (Default: None)
                  • 
+
                • normalization (bool, number, or callable, optional) – If boolean True, then output is divided by 1 << 31
+(assumes signed 32-bit audio), and normalizes to [-1, 1].
 If number, then output is divided by that number
 If callable, then the output is passed as a parameter
 to the given function, then the output is divided by
 the result. (Default: True)
                  • 
-
                • channels_first (bool) – Set channels first or length first in result. (Default: True)
                  • 
-
                • num_frames (int, optional) – Number of frames to load.  0 to load everything after the offset.
+
                • channels_first (bool) – Set channels first or length first in result. (Default: True)
                  • 
+
                • num_frames (int, optional) – Number of frames to load.  0 to load everything after the offset.
 (Default: 0)
                  • 
-
                • offset (int, optional) – Number of frames from the start of the file to begin data loading.
+
                • offset (int, optional) – Number of frames from the start of the file to begin data loading.
 (Default: 0)
                  • 
 
                • signalinfo (sox_signalinfo_t, optional) – A sox_signalinfo_t type, which could be helpful if the
 audio type cannot be automatically determined. (Default: None)
                  • 
 
                • encodinginfo (sox_encodinginfo_t, optional) – A sox_encodinginfo_t type, which could be set if the
 audio type cannot be automatically determined. (Default: None)
                  • 
-
                • filetype (str, optional) – A filetype or extension to be set if sox cannot determine it
+
                • filetype (str, optional) – A filetype or extension to be set if sox cannot determine it
 automatically. (Default: None)
                  • 
 
                
 
                
@@ -390,7 +454,7 @@ 
                torchaudioReturn type
-
                Tuple[torch.Tensor, int]
                
+
                Tuple[torch.Tensor, int]
                
 
                
 
 
                
@@ -415,7 +479,7 @@ 
                torchaudio
 
                Parameters
                
-
                filepath (str or pathlib.Path) – Path to audio file
                
+
                filepath (str or pathlib.Path) – Path to audio file
                
 
                
 
                Returns
                
 
                An output tensor of size [C x L] or [L x C] where L is the number
@@ -423,7 +487,7 @@ 
                torchaudioReturn type
-
                Tuple[torch.Tensor, int]
                
+
                Tuple[torch.Tensor, int]
                
 
                
 
                
 
                
@@ -435,13 +499,13 @@ 
                torchaudio
 
                Parameters
                
 
                  
-
                • filepath (str) – Path to audio file
                  • 
-
                • src (torch.Tensor) – An input 2D tensor of shape [C x L] or [L x C] where L is
+
                • filepath (str) – Path to audio file
                  • 
+
                • src (torch.Tensor) – An input 2D tensor of shape [C x L] or [L x C] where L is
 the number of audio frames, C is the number of channels
                  • 
-
                • sample_rate (int) – An integer which is the sample rate of the
+
                • sample_rate (int) – An integer which is the sample rate of the
 audio (as listed in the metadata of the file)
                  • 
-
                • precision (int) – Bit precision (Default: 16)
                  • 
-
                • channels_first (bool) – Set channels first or length first in result. (
+
                • precision (int) – Bit precision (Default: 16)
                  • 
+
                • channels_first (bool) – Set channels first or length first in result. (
 Default: True)
                  • 
 
                
 
                
@@ -455,15 +519,15 @@ 
                torchaudio
 
                Parameters
                
 
                  
-
                • filepath (str) – Path to audio file
                  • 
-
                • src (torch.Tensor) – An input 2D tensor of shape [C x L] or [L x C] where L is
+
                • filepath (str) – Path to audio file
                  • 
+
                • src (torch.Tensor) – An input 2D tensor of shape [C x L] or [L x C] where L is
 the number of audio frames, C is the number of channels
                  • 
-
                • channels_first (bool) – Set channels first or length first in result. (Default: True)
                  • 
+
                • channels_first (bool) – Set channels first or length first in result. (Default: True)
                  • 
 
                • signalinfo (sox_signalinfo_t) – A sox_signalinfo_t type, which could be helpful if the
 audio type cannot be automatically determined. (Default: None)
                  • 
 
                • encodinginfo (sox_encodinginfo_t, optional) – A sox_encodinginfo_t type, which could be set if the
 audio type cannot be automatically determined. (Default: None)
                  • 
-
                • filetype (str, optional) – A filetype or extension to be set if sox cannot determine it
+
                • filetype (str, optional) – A filetype or extension to be set if sox cannot determine it
 automatically. (Default: None)
                  • 
 
                
 
                
@@ -608,8 +672,8 @@ 
                torchaudio
          
          
-         
-         
+         
+         
          
      
 
@@ -751,15 +815,23 @@ 
                Resources
                
       
                
         
                  
           
                • 
-            Get Started
+            Get Started
+          
                  • 
+
+          
                • 
+            Features
+          
                  • 
+
+          
                • 
+            Ecosystem
           
                  • 
 
           
                • 
-            Features
+            Mobile
           
                  • 
 
           
                • 
-            Ecosystem
+            PyTorch Hub
           
                  • 
 
           
                • 
@@ -798,6 +870,7 @@ 
                  Resources
                  
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/kaldi_io.html b/kaldi_io.html
index aa8b64ab65..8a14bfc6e5 100644
--- a/kaldi_io.html
+++ b/kaldi_io.html
@@ -28,7 +28,7 @@
   
   
   
-  
+  
   
     
     
@@ -37,6 +37,26 @@
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
                  
@@ -51,11 +71,25 @@
           
                  • 
 
           
                • 
-            Features
+            
                  
+              
+                Ecosystem
+              
+              
                  
+                
+                  Models (Beta)
+                  
                  Discover, publish, and reuse pre-trained models
                  
+                                  
+                
+                  Tools & Libraries
+                  
                  Explore the ecosystem of tools and libraries
                  
+                                  
+              
                  
+            
                  
           
                  • 
 
           
                • 
-            Ecosystem
+            Mobile
           
                  • 
 
           
                • 
@@ -71,7 +105,21 @@
           
                  • 
 
           
                • 
-            Resources
+            
                  
+              
+                Resources
+              
+              
                  
+                
+                  Developer Resources
+                  
                  Find resources and get questions answered
                  
+                                  
+                
+                  About
+                  
                  Learn about PyTorch’s features and capabilities
                  
+                                  
+              
                  
+            
                  
           
                  • 
 
           
                • 
@@ -219,7 +267,7 @@
   
                  
 
                  torchaudio.kaldi_io
                  
 
                  To use this module, the dependency kaldi_io needs to be installed.
-This is a light wrapper around kaldi_io that returns torch.Tensor.
                  
+This is a light wrapper around kaldi_io that returns torch.Tensor.
                  
 
                  
 
                  Vectors
                  
 
                  
@@ -236,7 +284,7 @@ 
                  read_vec_int_ark
                  The string is the key and the tensor is the vector read from file
                  
 
 
                  Return type
                  
-
                  Generator[str, torch.Tensor]
                  
+
                  Generator[str, torch.Tensor]
                  
 
                  
 
 
                  
@@ -263,7 +311,7 @@ 
                  read_vec_flt_scp
                  The string is the key and the tensor is the vector read from file
                  
 
 
                  Return type
                  
-
                  Generator[str, torch.Tensor]
                  
+
                  Generator[str, torch.Tensor]
                  
 
                  
 
                  
 
                  
@@ -290,7 +338,7 @@ 
                  read_vec_flt_ark
                  The string is the key and the tensor is the vector read from file
                  
 
 
                  Return type
                  
-
                  Generator[str, torch.Tensor]
                  
+
                  Generator[str, torch.Tensor]
                  
 
                  
 
                  
 
                  
@@ -320,7 +368,7 @@ 
                  read_mat_scp
                  The string is the key and the tensor is the matrix read from file
                  
 
 
                  Return type
                  
-
                  Generator[str, torch.Tensor]
                  
+
                  Generator[str, torch.Tensor]
                  
 
                  
 
                  
 
                  
@@ -347,7 +395,7 @@ 
                  read_mat_ark
                  The string is the key and the tensor is the matrix read from file
                  
 
 
                  Return type
                  
-
                  Generator[str, torch.Tensor]
                  
+
                  Generator[str, torch.Tensor]
                  
 
                  
 
                  
 
                  
@@ -439,8 +487,8 @@ 
                  read_mat_ark
          
          
-         
-         
+         
+         
          
      
 
@@ -582,15 +630,23 @@ 
                  Resources
                  
       
                  
         
                    
           
                  • 
-            Get Started
+            Get Started
+          
                    • 
+
+          
                  • 
+            Features
+          
                    • 
+
+          
                  • 
+            Ecosystem
           
                    • 
 
           
                  • 
-            Features
+            Mobile
           
                    • 
 
           
                  • 
-            Ecosystem
+            PyTorch Hub
           
                    • 
 
           
                  • 
@@ -629,6 +685,7 @@ 
                    Resources
                    
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/objects.inv b/objects.inv
index cd2e8b74b7b9ffb8ea1267e19b11b519f98055c5..4606719a86c39dbbbb774b36ed6f7eb198171536 100644
GIT binary patch
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delta 725
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-  
+  
   
     
     
@@ -42,6 +42,26 @@
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
                    
@@ -56,11 +76,25 @@
           
                    • 
 
           
                  • 
-            Features
+            
                    
+              
+                Ecosystem
+              
+              
                    
+                
+                  Models (Beta)
+                  
                    Discover, publish, and reuse pre-trained models
                    
+                                    
+                
+                  Tools & Libraries
+                  
                    Explore the ecosystem of tools and libraries
                    
+                                    
+              
                    
+            
                    
           
                    • 
 
           
                  • 
-            Ecosystem
+            Mobile
           
                    • 
 
           
                  • 
@@ -76,7 +110,21 @@
           
                    • 
 
           
                  • 
-            Resources
+            
                    
+              
+                Resources
+              
+              
                    
+                
+                  Developer Resources
+                  
                    Find resources and get questions answered
                    
+                                    
+                
+                  About
+                  
                    Learn about PyTorch’s features and capabilities
                    
+                                    
+              
                    
+            
                    
           
                    • 
 
           
                  • 
@@ -286,8 +334,8 @@ 
                    Python Module Index
                    
          
          
          
-         
-         
+         
+         
          
      
 
@@ -429,15 +477,23 @@ 
                    Resources
                    
       
                    
         
                      
           
                    • 
-            Get Started
+            Get Started
+          
                      • 
+
+          
                    • 
+            Features
+          
                      • 
+
+          
                    • 
+            Ecosystem
           
                      • 
 
           
                    • 
-            Features
+            Mobile
           
                      • 
 
           
                    • 
-            Ecosystem
+            PyTorch Hub
           
                      • 
 
           
                    • 
@@ -476,6 +532,7 @@ 
                      Resources
                      
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/search.html b/search.html
index bacf76a758..5642a20739 100644
--- a/search.html
+++ b/search.html
@@ -28,13 +28,33 @@
   
   
   
-  
+  
   
     
      
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
                      
@@ -49,11 +69,25 @@
           
                      • 
 
           
                    • 
-            Features
+            
                      
+              
+                Ecosystem
+              
+              
                      
+                
+                  Models (Beta)
+                  
                      Discover, publish, and reuse pre-trained models
                      
+                                      
+                
+                  Tools & Libraries
+                  
                      Explore the ecosystem of tools and libraries
                      
+                                      
+              
                      
+            
                      
           
                      • 
 
           
                    • 
-            Ecosystem
+            Mobile
           
                      • 
 
           
                    • 
@@ -69,7 +103,21 @@
           
                      • 
 
           
                    • 
-            Resources
+            
                      
+              
+                Resources
+              
+              
                      
+                
+                  Developer Resources
+                  
                      Find resources and get questions answered
                      
+                                      
+                
+                  About
+                  
                      Learn about PyTorch’s features and capabilities
                      
+                                      
+              
                      
+            
                      
           
                      • 
 
           
                    • 
@@ -276,8 +324,8 @@
          
          
          
-         
-         
+         
+         
          
          
      
@@ -423,15 +471,23 @@ 
                      Resources
                      
       
                      
         
                        
           
                      • 
-            Get Started
+            Get Started
+          
                        • 
+
+          
                      • 
+            Features
+          
                        • 
+
+          
                      • 
+            Ecosystem
           
                        • 
 
           
                      • 
-            Features
+            Mobile
           
                        • 
 
           
                      • 
-            Ecosystem
+            PyTorch Hub
           
                        • 
 
           
                      • 
@@ -470,6 +526,7 @@ 
                        Resources
                        
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/searchindex.js b/searchindex.js
index 063bad04fc..98a0e7fb8c 100644
--- a/searchindex.js
+++ b/searchindex.js
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/sox_effects.html b/sox_effects.html
index 31e2eecddd..0a495bd84a 100644
--- a/sox_effects.html
+++ b/sox_effects.html
@@ -28,7 +28,7 @@
   
   
   
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+  
   
     
     
@@ -37,6 +37,26 @@
 
   
   
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+  
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+
+
 
 
 
                        
@@ -51,11 +71,25 @@
           
                        • 
 
           
                      • 
-            Features
+            
                        
+              
+                Ecosystem
+              
+              
                        
+                
+                  Models (Beta)
+                  
                        Discover, publish, and reuse pre-trained models
                        
+                                        
+                
+                  Tools & Libraries
+                  
                        Explore the ecosystem of tools and libraries
                        
+                                        
+              
                        
+            
                        
           
                        • 
 
           
                      • 
-            Ecosystem
+            Mobile
           
                        • 
 
           
                      • 
@@ -71,7 +105,21 @@
           
                        • 
 
           
                      • 
-            Resources
+            
                        
+              
+                Resources
+              
+              
                        
+                
+                  Developer Resources
+                  
                        Find resources and get questions answered
                        
+                                        
+                
+                  About
+                  
                        Learn about PyTorch’s features and capabilities
                        
+                                        
+              
                        
+            
                        
           
                        • 
 
           
                      • 
@@ -246,16 +294,16 @@ 
                        SoxEffectsChain
 
                        Parameters
                        
 
                          
-
                        • normalization (bool, number, or callable, optional) – If boolean True, then output is divided by 1 << 31
-(assumes signed 32-bit audio), and normalizes to [0, 1]. If number, then output is divided by that
+
                        • normalization (bool, number, or callable, optional) – If boolean True, then output is divided by 1 << 31
+(assumes signed 32-bit audio), and normalizes to [-1, 1]. If number, then output is divided by that
 number. If callable, then the output is passed as a parameter to the given function, then the
 output is divided by the result. (Default: True)
                          • 
-
                        • channels_first (bool, optional) – Set channels first or length first in result.  (Default: True)
                          • 
+
                        • channels_first (bool, optional) – Set channels first or length first in result.  (Default: True)
                          • 
 
                        • out_siginfo (sox_signalinfo_t, optional) – a sox_signalinfo_t type, which could be helpful if the
 audio type cannot be automatically determined. (Default: None)
                          • 
 
                        • out_encinfo (sox_encodinginfo_t, optional) – a sox_encodinginfo_t type, which could be set if the
 audio type cannot be automatically determined. (Default: None)
                          • 
-
                        • filetype (str, optional) – a filetype or extension to be set if sox cannot determine it
+
                        • filetype (str, optional) – a filetype or extension to be set if sox cannot determine it
 automatically. . (Default: 'raw')
                          • 
 
                        
 
                        
@@ -265,7 +313,7 @@ 
                        SoxEffectsChain
 
 
                        Return type
                        
-
                        Tuple[torch.Tensor, int]
                        
+
                        Tuple[torch.Tensor, int]
                        
 
                        
 
                  
 
                  
@@ -300,8 +348,8 @@ 
                  SoxEffectsChain
 
                  Parameters
                  
 
                    
-
                  • ename (str) – which is the name of effect
                    • 
-
                  • eargs (List[str]) – which is a list of effect options. (Default: None)
                    • 
+
                  • ename (str) – which is the name of effect
                    • 
+
                  • eargs (List[str]) – which is a list of effect options. (Default: None)
                    • 
 
                  
 
                  
 
                  
@@ -319,7 +367,7 @@ 
                  SoxEffectsChain
                  Set input file for input of chain
                  
 
                  
 
                  Parameters
                  
-
                  input_file (str) – The path to the input file.
                  
+
                  input_file (str) – The path to the input file.
                  
 
                  
 
                  
 
@@ -330,7 +378,7 @@ 
                  SoxEffectsChain
                  Build effects chain and flow effects from input file to output tensor
                  
 
                  
 
                  Parameters
                  
-
                  out (torch.Tensor) – Where the output will be written to. (Default: None)
                  
+
                  out (torch.Tensor) – Where the output will be written to. (Default: None)
                  
 
                  
 
                  Returns
                  
 
                  An output Tensor of size [C x L] or [L x C] where L is the number
@@ -338,7 +386,7 @@ 
                  SoxEffectsChain
 
                  
 
                  Return type
                  
-
                  Tuple[torch.Tensor, int]
                  
+
                  Tuple[torch.Tensor, int]
                  
 
                  
 
                  
 
@@ -415,8 +463,8 @@ 
                  SoxEffectsChain
          
          
-         
-         
+         
+         
          
      
 
@@ -558,15 +606,23 @@ 
                  Resources
                  
       
                  
         
                    
           
                  • 
-            Get Started
+            Get Started
+          
                    • 
+
+          
                  • 
+            Features
+          
                    • 
+
+          
                  • 
+            Ecosystem
           
                    • 
 
           
                  • 
-            Features
+            Mobile
           
                    • 
 
           
                  • 
-            Ecosystem
+            PyTorch Hub
           
                    • 
 
           
                  • 
@@ -605,6 +661,7 @@ 
                    Resources
                    
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {
diff --git a/transforms.html b/transforms.html
index 1f8d1a84da..b44b2137eb 100644
--- a/transforms.html
+++ b/transforms.html
@@ -28,7 +28,7 @@
   
   
   
-  
+  
   
     
     
@@ -37,6 +37,26 @@
 
   
   
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
                    
@@ -51,11 +71,25 @@
           
                    • 
 
           
                  • 
-            Features
+            
                    
+              
+                Ecosystem
+              
+              
                    
+                
+                  Models (Beta)
+                  
                    Discover, publish, and reuse pre-trained models
                    
+                                    
+                
+                  Tools & Libraries
+                  
                    Explore the ecosystem of tools and libraries
                    
+                                    
+              
                    
+            
                    
           
                    • 
 
           
                  • 
-            Ecosystem
+            Mobile
           
                    • 
 
           
                  • 
@@ -71,7 +105,21 @@
           
                    • 
 
           
                  • 
-            Resources
+            
                    
+              
+                Resources
+              
+              
                    
+                
+                  Developer Resources
+                  
                    Find resources and get questions answered
                    
+                                    
+                
+                  About
+                  
                    Learn about PyTorch’s features and capabilities
                    
+                                    
+              
                    
+            
                    
           
                    • 
 
           
                  • 
@@ -218,7 +266,7 @@
               
   
                    
 
                    torchaudio.transforms
                    
-
                    Transforms are common audio transforms. They can be chained together using torch.nn.Sequential
                    
+
                    Transforms are common audio transforms. They can be chained together using torch.nn.Sequential
                    
 
                    
 
                    Spectrogram
                    
 
                    
@@ -228,34 +276,34 @@ 
                    Spectrogram
 
                    Parameters
                    
 
                      
-
                    • n_fft (int, optional) – Size of FFT, creates n_fft // 2 + 1 bins
                      • 
-
                    • win_length (int) – Window size. (Default: n_fft)
                      • 
-
                    • hop_length (int, optional) – Length of hop between STFT windows. (
+
                    • n_fft (int, optional) – Size of FFT, creates n_fft // 2 + 1 bins
                      • 
+
                    • win_length (int) – Window size. (Default: n_fft)
                      • 
+
                    • hop_length (int, optional) – Length of hop between STFT windows. (
 Default: win_length // 2)
                      • 
-
                    • pad (int) – Two sided padding of signal. (Default: 0)
                      • 
-
                    • window_fn (Callable[[..], torch.Tensor]) – A function to create a window tensor
+
                    • pad (int) – Two sided padding of signal. (Default: 0)
                      • 
+
                    • window_fn (Callable[[..], torch.Tensor]) – A function to create a window tensor
 that is applied/multiplied to each frame/window. (Default: torch.hann_window)
                      • 
-
                    • power (int) – Exponent for the magnitude spectrogram,
+
                    • power (int) – Exponent for the magnitude spectrogram,
 (must be > 0) e.g., 1 for energy, 2 for power, etc. (Default: 2)
                      • 
-
                    • normalized (bool) – Whether to normalize by magnitude after stft. (Default: False)
                      • 
+
                    • normalized (bool) – Whether to normalize by magnitude after stft. (Default: False)
                      • 
 
                    • wkwargs (Dict[.., ..]) – Arguments for window function. (Default: None)
                      • 
 
                    
 
                    
 
                    
 
                    
-
                    
-forward(waveform)[source]
                    
+
                    
+forward(waveform)[source]
                    
 
                    
 
                    Parameters
                    
-
                    waveform (torch.Tensor) – Tensor of audio of dimension (channel, time)
                    
+
                    waveform (torch.Tensor) – Tensor of audio of dimension (…, time)
                    
 
                    
 
                    Returns
                    
-
                    Dimension (channel, freq, time), where channel
-is unchanged, freq is n_fft // 2 + 1 where n_fft is the number of
-Fourier bins, and time is the number of window hops (n_frames).
                    
+
                    Dimension (…, freq, time), where freq is
+n_fft // 2 + 1 where n_fft is the number of
+Fourier bins, and time is the number of window hops (n_frame).
                    
 
                    
 
                    Return type
                    
-
                    torch.Tensor
                    
+
                    torch.Tensor
                    
 
                    
 
                    
 
                    
@@ -268,34 +316,34 @@ 
                    AmplitudeToDB
 
                    
 class torchaudio.transforms.AmplitudeToDB(stype='power', top_db=None)[source]
                    
-
                    Turns a tensor from the power/amplitude scale to the decibel scale.
                    
+
                    Turn a tensor from the power/amplitude scale to the decibel scale.
                    
 
                    This output depends on the maximum value in the input tensor, and so
 may return different values for an audio clip split into snippets vs. a
 a full clip.
                    
 
                    
 
                    Parameters
                    
 
                      
-
                    • stype (str) – scale of input tensor (‘power’ or ‘magnitude’). The
+
                    • stype (str) – scale of input tensor (‘power’ or ‘magnitude’). The
 power being the elementwise square of the magnitude. (Default: 'power')
                      • 
-
                    • top_db (float, optional) – minimum negative cut-off in decibels.  A reasonable number
+
                    • top_db (float, optional) – minimum negative cut-off in decibels.  A reasonable number
 is 80. (Default: None)
                      • 
 
                    
 
                    
 
                    
 
                    
-
                    
-forward(x)[source]
                    
+
                    
+forward(x)[source]
                    
 
                    Numerically stable implementation from Librosa
 https://librosa.github.io/librosa/_modules/librosa/core/spectrum.html
                    
 
                    
 
                    Parameters
                    
-
                    x (torch.Tensor) – Input tensor before being converted to decibel scale
                    
+
                    x (torch.Tensor) – Input tensor before being converted to decibel scale
                    
 
                    
 
                    Returns
                    
 
                    Output tensor in decibel scale
                    
 
                    
 
                    Return type
                    
-
                    torch.Tensor
                    
+
                    torch.Tensor
                    
 
                    
 
                    
 
                    
@@ -308,33 +356,33 @@ 
                    MelScale
 
                    
 class torchaudio.transforms.MelScale(n_mels=128, sample_rate=16000, f_min=0.0, f_max=None, n_stft=None)[source]
                    
-
                    This turns a normal STFT into a mel frequency STFT, using a conversion
+
                    Turn a normal STFT into a mel frequency STFT, using a conversion
 matrix.  This uses triangular filter banks.
                    
 
                    User can control which device the filter bank (fb) is (e.g. fb.to(spec_f.device)).
                    
 
                    
 
                    Parameters
                    
 
                      
-
                    • n_mels (int) – Number of mel filterbanks. (Default: 128)
                      • 
-
                    • sample_rate (int) – Sample rate of audio signal. (Default: 16000)
                      • 
-
                    • f_min (float) – Minimum frequency. (Default: 0.)
                      • 
-
                    • f_max (float, optional) – Maximum frequency. (Default: sample_rate // 2)
                      • 
-
                    • n_stft (int, optional) – Number of bins in STFT. Calculated from first input
+
                    • n_mels (int) – Number of mel filterbanks. (Default: 128)
                      • 
+
                    • sample_rate (int) – Sample rate of audio signal. (Default: 16000)
                      • 
+
                    • f_min (float) – Minimum frequency. (Default: 0.)
                      • 
+
                    • f_max (float, optional) – Maximum frequency. (Default: sample_rate // 2)
                      • 
+
                    • n_stft (int, optional) – Number of bins in STFT. Calculated from first input
 if None is given.  See n_fft in Spectrogram.
                      • 
 
                    
 
                    
 
                    
 
                    
-
                    
-forward(specgram)[source]
                    
+
                    
+forward(specgram)[source]
                    
 
                    
 
                    Parameters
                    
-
                    specgram (torch.Tensor) – A spectrogram STFT of dimension (channel, freq, time)
                    
+
                    specgram (torch.Tensor) – A spectrogram STFT of dimension (…, freq, time)
                    
 
                    
 
                    Returns
                    
-
                    Mel frequency spectrogram of size (channel, n_mels, time)
                    
+
                    Mel frequency spectrogram of size (…, n_mels, time)
                    
 
                    
 
                    Return type
                    
-
                    torch.Tensor
                    
+
                    torch.Tensor
                    
 
                    
 
                    
 
                    
@@ -360,16 +408,16 @@ 
                    MelSpectrogram
 
                    Parameters
                    
 
                      
-
                    • sample_rate (int) – Sample rate of audio signal. (Default: 16000)
                      • 
-
                    • win_length (int) – Window size. (Default: n_fft)
                      • 
-
                    • hop_length (int, optional) – Length of hop between STFT windows. (
+
                    • sample_rate (int) – Sample rate of audio signal. (Default: 16000)
                      • 
+
                    • win_length (int) – Window size. (Default: n_fft)
                      • 
+
                    • hop_length (int, optional) – Length of hop between STFT windows. (
 Default: win_length // 2)
                      • 
-
                    • n_fft (int, optional) – Size of FFT, creates n_fft // 2 + 1 bins
                      • 
-
                    • f_min (float) – Minimum frequency. (Default: 0.)
                      • 
-
                    • f_max (float, optional) – Maximum frequency. (Default: None)
                      • 
-
                    • pad (int) – Two sided padding of signal. (Default: 0)
                      • 
-
                    • n_mels (int) – Number of mel filterbanks. (Default: 128)
                      • 
-
                    • window_fn (Callable[[..], torch.Tensor]) – A function to create a window tensor
+
                    • n_fft (int, optional) – Size of FFT, creates n_fft // 2 + 1 bins
                      • 
+
                    • f_min (float) – Minimum frequency. (Default: 0.)
                      • 
+
                    • f_max (float, optional) – Maximum frequency. (Default: None)
                      • 
+
                    • pad (int) – Two sided padding of signal. (Default: 0)
                      • 
+
                    • n_mels (int) – Number of mel filterbanks. (Default: 128)
                      • 
+
                    • window_fn (Callable[[..], torch.Tensor]) – A function to create a window tensor
 that is applied/multiplied to each frame/window. (Default: torch.hann_window)
                      • 
 
                    • wkwargs (Dict[.., ..]) – Arguments for window function. (Default: None)
                      • 
 
                    
@@ -383,17 +431,17 @@ 
                    MelSpectrogram
 
 
                    
-
                    
-forward(waveform)[source]
                    
+
                    
+forward(waveform)[source]
                    
 
                    
 
                    Parameters
                    
-
                    waveform (torch.Tensor) – Tensor of audio of dimension (channel, time)
                    
+
                    waveform (torch.Tensor) – Tensor of audio of dimension (…, time)
                    
 
                    
 
                    Returns
                    
-
                    Mel frequency spectrogram of size (channel, n_mels, time)
                    
+
                    Mel frequency spectrogram of size (…, n_mels, time)
                    
 
                    
 
                    Return type
                    
-
                    torch.Tensor
                    
+
                    torch.Tensor
                    
 
                    
 
                    
 
                    
@@ -416,28 +464,28 @@ 
                    MFCC
 
                    Parameters
                    
 
                      
-
                    • sample_rate (int) – Sample rate of audio signal. (Default: 16000)
                      • 
-
                    • n_mfcc (int) – Number of mfc coefficients to retain. (Default: 40)
                      • 
-
                    • dct_type (int) – type of DCT (discrete cosine transform) to use. (Default: 2)
                      • 
-
                    • norm (str, optional) – norm to use. (Default: 'ortho')
                      • 
-
                    • log_mels (bool) – whether to use log-mel spectrograms instead of db-scaled. (Default:
+
                    • sample_rate (int) – Sample rate of audio signal. (Default: 16000)
                      • 
+
                    • n_mfcc (int) – Number of mfc coefficients to retain. (Default: 40)
                      • 
+
                    • dct_type (int) – type of DCT (discrete cosine transform) to use. (Default: 2)
                      • 
+
                    • norm (str, optional) – norm to use. (Default: 'ortho')
                      • 
+
                    • log_mels (bool) – whether to use log-mel spectrograms instead of db-scaled. (Default:
 False)
                      • 
-
                    • melkwargs (dict, optional) – arguments for MelSpectrogram. (Default: None)
                      • 
+
                    • melkwargs (dict, optional) – arguments for MelSpectrogram. (Default: None)
                      • 
 
                    
 
                    
 
 
                    
-
                    
-forward(waveform)[source]
                    
+
                    
+forward(waveform)[source]
                    
 
                    
 
                    Parameters
                    
-
                    waveform (torch.Tensor) – Tensor of audio of dimension (channel, time)
                    
+
                    waveform (torch.Tensor) – Tensor of audio of dimension (…, time)
                    
 
                    
 
                    Returns
                    
-
                    specgram_mel_db of size (channel, n_mfcc, time)
                    
+
                    specgram_mel_db of size (…, n_mfcc, time)
                    
 
                    
 
                    Return type
                    
-
                    torch.Tensor
                    
+
                    torch.Tensor
                    
 
                    
 
                    
 
                    
@@ -456,21 +504,21 @@ 
                    MuLawEncoding
 
                    
 
                    Parameters
                    
-
                    quantization_channels (int) – Number of channels (Default: 256)
                    
+
                    quantization_channels (int) – Number of channels (Default: 256)
                    
 
                    
 
                    
 
                    
-
                    
-forward(x)[source]
                    
+
                    
+forward(x)[source]
                    
 
                    
 
                    Parameters
                    
-
                    x (torch.Tensor) – A signal to be encoded
                    
+
                    x (torch.Tensor) – A signal to be encoded
                    
 
                    
 
                    Returns
                    
 
                    An encoded signal
                    
 
                    
 
                    Return type
                    
-
                    x_mu (torch.Tensor)
                    
+
                    x_mu (torch.Tensor)
                    
 
                    
 
                    
 
                    
@@ -489,21 +537,21 @@ 
                    MuLawDecoding
 
                    
 
                    Parameters
                    
-
                    quantization_channels (int) – Number of channels (Default: 256)
                    
+
                    quantization_channels (int) – Number of channels (Default: 256)
                    
 
                    
 
                    
 
                    
-
                    
-forward(x_mu)[source]
                    
+
                    
+forward(x_mu)[source]
                    
 
                    
 
                    Parameters
                    
-
                    x_mu (torch.Tensor) – A mu-law encoded signal which needs to be decoded
                    
+
                    x_mu (torch.Tensor) – A mu-law encoded signal which needs to be decoded
                    
 
                    
 
                    Returns
                    
 
                    The signal decoded
                    
 
                    
 
                    Return type
                    
-
                    torch.Tensor
                    
+
                    torch.Tensor
                    
 
                    
 
                    
 
                    
@@ -516,29 +564,196 @@ 
                    Resample
 
                    
 class torchaudio.transforms.Resample(orig_freq=16000, new_freq=16000, resampling_method='sinc_interpolation')[source]
                    
-
                    Resamples a signal from one frequency to another. A resampling method can
+
                    Resample a signal from one frequency to another. A resampling method can
 be given.
                    
 
                    
 
                    Parameters
                    
 
                      
-
                    • orig_freq (float) – The original frequency of the signal. (Default: 16000)
                      • 
-
                    • new_freq (float) – The desired frequency. (Default: 16000)
                      • 
-
                    • resampling_method (str) – The resampling method (Default: 'sinc_interpolation')
                      • 
+
                    • orig_freq (float) – The original frequency of the signal. (Default: 16000)
                      • 
+
                    • new_freq (float) – The desired frequency. (Default: 16000)
                      • 
+
                    • resampling_method (str) – The resampling method (Default: 'sinc_interpolation')
                      • 
+
                    
+
                    
+
                    
+
                    
+
                    
+forward(waveform)[source]
                    
+
                    
+
                    Parameters
                    
+
                    waveform (torch.Tensor) – The input signal of dimension (…, time)
                    
+
                    
+
                    Returns
                    
+
                    Output signal of dimension (…, time)
                    
+
                    
+
                    Return type
                    
+
                    torch.Tensor
                    
+
                    
+
                    
+
                    
+
+
                    
+
+
                    
+
                    
+
                    ComplexNorm
                    
+
                    
+
                    
+class torchaudio.transforms.ComplexNorm(power=1.0)[source]
                    
+
                    Compute the norm of complex tensor input
+:param power: Power of the norm. Defaults to 1.0.
+:type power: float
                    
+
                    
+
                    
+forward(complex_tensor)[source]
                    
+
                    
+
                    Parameters
                    
+
                    complex_tensor (Tensor) – Tensor shape of (…, complex=2)
                    
+
                    
+
                    Returns
                    
+
                    norm of the input tensor, shape of (…, )
                    
+
                    
+
                    Return type
                    
+
                    Tensor
                    
+
                    
+
                    
+
                    
+
+
                    
+
+
                    
+
                    
+
                    ComputeDeltas
                    
+
                    
+
                    
+class torchaudio.transforms.ComputeDeltas(win_length=5, mode='replicate')[source]
                    
+
                    Compute delta coefficients of a tensor, usually a spectrogram.
                    
+
                    See torchaudio.functional.compute_deltas for more details.
                    
+
                    
+
                    Parameters
                    
+
                    win_length (int) – The window length used for computing delta.
                    
+
                    
+
                    
+
                    
+
                    
+forward(specgram)[source]
                    
+
                    
+
                    Parameters
                    
+
                    specgram (torch.Tensor) – Tensor of audio of dimension (…, freq, time)
                    
+
                    
+
                    Returns
                    
+
                    Tensor of audio of dimension (…, freq, time)
                    
+
                    
+
                    Return type
                    
+
                    deltas (torch.Tensor)
                    
+
                    
+
                    
+
                    
+
+
                    
+
+
                    
+
                    
+
                    TimeStretch
                    
+
                    
+
                    
+class torchaudio.transforms.TimeStretch(hop_length=None, n_freq=201, fixed_rate=None)[source]
                    
+
                    Stretch stft in time without modifying pitch for a given rate.
                    
+
                    
+
                    Parameters
                    
+
                      
+
                    • hop_length (int) – Number audio of frames between STFT columns. (Default: n_fft // 2)
                      • 
+
                    • n_freq (int, optional) – number of filter banks from stft. (Default: 201)
                      • 
+
                    • fixed_rate (float) – rate to speed up or slow down by.
+If None is provided, rate must be passed to the forward method. (Default: None)
                      • 
+
                    
+
                    
+
                    
+
                    
+
                    
+forward(complex_specgrams, overriding_rate=None)[source]
                    
+
                    
+
                    Parameters
                    
+
                      
+
                    • complex_specgrams (Tensor) – complex spectrogram (…, freq, time, complex=2)
                      • 
+
                    • overriding_rate (float or None) – speed up to apply to this batch.
+If no rate is passed, use self.fixed_rate
                      • 
+
                    
+
                    
+
                    Returns
                    
+
                    Stretched complex spectrogram of dimension (…, freq, ceil(time/rate), complex=2)
                    
+
                    
+
                    Return type
                    
+
                    (Tensor)
                    
+
                    
+
                    
+
                    
+
+
                    
+
+
                    
+
                    
+
                    FrequencyMasking
                    
+
                    
+
                    
+class torchaudio.transforms.FrequencyMasking(freq_mask_param, iid_masks=False)[source]
                    
+
                    Apply masking to a spectrogram in the frequency domain.
                    
+
                    
+
                    Parameters
                    
+
                      
+
                    • freq_mask_param (int) – maximum possible length of the mask.
+Indices uniformly sampled from [0, freq_mask_param).
                      • 
+
                    • iid_masks (bool) – weather to apply the same mask to all
+the examples/channels in the batch. (Default: False)
                      • 
+
                    
+
                    
+
                    
+
                    
+
                    
+forward(specgram, mask_value=0.0)
                    
+
                    
+
                    Parameters
                    
+
                    specgram (torch.Tensor) – Tensor of dimension (…, freq, time)
                    
+
                    
+
                    Returns
                    
+
                    Masked spectrogram of dimensions (…, freq, time)
                    
+
                    
+
                    Return type
                    
+
                    torch.Tensor
                    
+
                    
+
                    
+
                    
+
+
                    
+
+
                    
+
                    
+
                    TimeMasking
                    
+
                    
+
                    
+class torchaudio.transforms.TimeMasking(time_mask_param, iid_masks=False)[source]
                    
+
                    Apply masking to a spectrogram in the time domain.
                    
+
                    
+
                    Parameters
                    
+
                      
+
                    • time_mask_param (int) – maximum possible length of the mask.
+Indices uniformly sampled from [0, time_mask_param).
                      • 
+
                    • iid_masks (bool) – weather to apply the same mask to all
+the examples/channels in the batch. Defaults to False.
                      • 
 
                    
 
                    
 
                    
 
                    
-
                    
-forward(waveform)[source]
                    
+
                    
+forward(specgram, mask_value=0.0)
                    
 
                    
 
                    Parameters
                    
-
                    waveform (torch.Tensor) – The input signal of dimension (channel, time)
                    
+
                    specgram (torch.Tensor) – Tensor of dimension (…, freq, time)
                    
 
                    
 
                    Returns
                    
-
                    Output signal of dimension (channel, time)
                    
+
                    Masked spectrogram of dimensions (…, freq, time)
                    
 
                    
 
                    Return type
                    
-
                    torch.Tensor
                    
+
                    torch.Tensor
                    
 
                    
 
                    
 
                    
@@ -600,6 +815,11 @@ 
                    ResampleMuLawEncoding
                    • 
 
                  • MuLawDecoding
                    • 
 
                  • Resample
                    • 
+
                  • ComplexNorm
                    • 
+
                  • ComputeDeltas
                    • 
+
                  • TimeStretch
                    • 
+
                  • FrequencyMasking
                    • 
+
                  • TimeMasking
                    • 
 
                  
 
                  • 
 
                
@@ -621,8 +841,8 @@ 
                Resample
          
          
-         
-         
+         
+         
          
      
 
@@ -764,15 +984,23 @@ 
                Resources
                
       
                
         
                  
           
                • 
-            Get Started
+            Get Started
+          
                  • 
+
+          
                • 
+            Features
+          
                  • 
+
+          
                • 
+            Ecosystem
           
                  • 
 
           
                • 
-            Features
+            Mobile
           
                  • 
 
           
                • 
-            Ecosystem
+            PyTorch Hub
           
                  • 
 
           
                • 
@@ -811,6 +1039,7 @@ 
                  Resources
                  
       sideMenus.bind();
       scrollToAnchor.bind();
       highlightNavigation.bind();
+      mainMenuDropdown.bind();
 
       // Add class to links that have code blocks, since we cannot create links in code blocks
       $("article.pytorch-article a span.pre").each(function(e) {