From c886a0d228ff309146b1bab11af68bd817d2698d Mon Sep 17 00:00:00 2001
From: Garrick Aden-Buie <garrick@adenbuie.com>
Date: Wed, 13 Dec 2023 11:45:00 -0500
Subject: [PATCH] fix(layout_columns): Add missing `bslib-mb-spacing` class

---
 shiny/ui/_layout_columns.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shiny/ui/_layout_columns.py b/shiny/ui/_layout_columns.py
index adc171900..d7ddcb7b1 100644
--- a/shiny/ui/_layout_columns.py
+++ b/shiny/ui/_layout_columns.py
@@ -126,7 +126,7 @@ def layout_columns(
     tag = Tag(
         "bslib-layout-columns",
         {
-            "class": "bslib-grid grid",
+            "class": "bslib-grid grid bslib-mb-spacing",
             "style": css(
                 gap=as_css_unit(gap),
                 height=as_css_unit(height),