From 7ef0c2c827588867d76ae3b981d9ae578303b105 Mon Sep 17 00:00:00 2001
From: Kajal Solanki <kajal.solanki@krishtechnolabs.com>
Date: Mon, 26 Nov 2018 14:15:30 +0530
Subject: [PATCH] fix-issue-19399 into 2.3-develop branch

---
 .../source/module/main/_collapsible-blocks.less   | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/app/design/adminhtml/Magento/backend/Magento_Backend/web/css/source/module/main/_collapsible-blocks.less b/app/design/adminhtml/Magento/backend/Magento_Backend/web/css/source/module/main/_collapsible-blocks.less
index 6420738c6fb9b..a3124affffc10 100644
--- a/app/design/adminhtml/Magento/backend/Magento_Backend/web/css/source/module/main/_collapsible-blocks.less
+++ b/app/design/adminhtml/Magento/backend/Magento_Backend/web/css/source/module/main/_collapsible-blocks.less
@@ -127,6 +127,21 @@
                 }
             }
         }
+
+        td.admin__collapsible-block-wrapper {
+            .admin__collapsible-title {
+                &:before {
+                    content: @icon-expand-open__content;
+                }
+            }
+            &._show {
+                .admin__collapsible-title {
+                    &:before {
+                        content: @icon-expand-close__content;
+                    } 
+                }
+            }
+        }
     }
 
     &.fieldset-wrapper {