Ticket #25603: 25603.12.diff

src/wp-admin/css/wp-admin.css

@@ -5962 +5962 @@
         font-size: 150%;
         font-weight: normal !important;
         box-sizing: border-box;
+        -moz-box-sizing: border-box;
         width: 100%;
         padding: 17px 0;
         margin-bottom: 15px;