Ticket #21985: 21985.2.patch

wp-admin/css/ie.css

@@ -332 +332 @@
         width: 155px;
 }
 
+.subsubsub li {
+        display: inline;
+}
+
 table.ie-fixed {
         table-layout: fixed;
 }

wp-admin/css/wp-admin.css

@@ -456 +456 @@
 }
 
 .subsubsub li {
-        display: inline;
+        display: inline-block;
         margin: 0;
         padding: 0;
         white-space: nowrap;