Merge branch '_acet-fix-flash-styling' into 'master'

Always prefer flash-text as display block

Closes #53920

See merge request gitlab-org/gitlab-ce!23382

app/assets/stylesheets/framework/flash.scss

@@ -32,16 +32,16 @@
     margin: 0;
   }
 
-  .flash-alert {
-    @extend .alert;
-    background-color: $red-500;
-    margin: 0;
-
   .flash-text,
   .flash-action {
     display: inline-block;
   }
 
+  .flash-alert {
+    @extend .alert;
+    background-color: $red-500;
+    margin: 0;
+
     .flash-action {
       margin-left: 5px;
       text-decoration: none;

changelogs/unreleased/_acet-fix-flash-styling.yml

+---
+title: Fix flash notice styling for fluid layout
+merge_request: 23382
+author:
+type: fixed