Ticket #21637: 21637.patch

wp-admin/css/ie.dev.css

@@ -273 +273 @@
         margin: -3px 0 4px;
 }
 
-#widget-list .widget {
+#widget-list .widget,
+.feature-filter .feature-group li {
         display: inline;
 }
 

wp-admin/css/wp-admin.dev.css

@@ -7698 +7702 @@
 }
 
 .feature-filter .feature-group li {
-        display: inline;
-        float: left;
+        display: inline-block;
+        vertical-align: top;
         list-style-type: none;
         padding-right: 25px;
         width: 150px;