Ticket #26159: 26159.1.2.diff

wp-admin/css/wp-admin.css

@@ -6883 +6883 @@
 .theme-overlay .screenshot:after {
         content: '';
         display: block;
-        padding-top: 66.66666%; /* using a 3/2 aspect ratio */
+        padding-top: 75%; /* using a 4/3 aspect ratio */
 }
 
 .theme-overlay .screenshot img {