From cfc230d734eb0adf36dc9153080efc4c2d832160 Mon Sep 17 00:00:00 2001
From: Mark Otto <markdotto@gmail.com>
Date: Wed, 13 May 2020 15:16:07 -0700
Subject: [PATCH] Simplify list-group borders in cards

Consolidates some CSS and beefs up the selector to account for inherited border styles. Fixes #30793, a regression from v4.4.1 that shipped in #30497.
---
 scss/_card.scss | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/scss/_card.scss b/scss/_card.scss
index 230ab113ab1e..b0e7ae1e9975 100644
--- a/scss/_card.scss
+++ b/scss/_card.scss
@@ -33,6 +33,12 @@
       @include border-bottom-radius($card-inner-border-radius);
     }
   }
+
+  // Due to specificity of the above selector (`.card > .list-group`), we must
+  // use a child selector here to prevent a double border.
+  > .card-header + .list-group {
+    border-top: 0;
+  }
 }
 
 .card-body {
@@ -80,12 +86,6 @@
   &:first-child {
     @include border-radius($card-inner-border-radius $card-inner-border-radius 0 0);
   }
-
-  + .list-group {
-    .list-group-item:first-child {
-      border-top: 0;
-    }
-  }
 }
 
 .card-footer {