Ticket #29556: 29556.6.diff

src/wp-admin/css/themes.css

@@ -31 +31 @@
         top: -2px;
         left: 20px;
         margin: 0;
-        max-width: 280px;
-        width: 100%;
+        width: 280px;
         font-size: 16px;
         font-weight: 300;
         line-height: 1.5;
@@ -1029 +1028 @@
                 right: 0;
                 margin: 10px 0;
                 width: 100%;
+                max-width: 280px;
         }
 
         .theme-browser .theme.add-new-theme span:after {