switch to rgba for list-group border color

matches the card border-color, fixes #20129

diff --git a/scss/_variables.scss b/scss/_variables.scss
index 4b5af26ad0cd2adf2d51dd635e9f895583ec6236..e446a722ed1326652c4b97d7a7b5f30d2d563200 100644 (file)
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -796,7 +796,7 @@ $progress-bar-info-bg:        $brand-info !default;
 // 28. List group
 
 $list-group-bg:                 #fff !default;
-$list-group-border-color:       #ddd !default;
+$list-group-border-color:       rgba(0,0,0,.125) !default;
 $list-group-border-width:       $border-width !default;
 $list-group-border-radius:      $border-radius !default;