Index: wp-admin/css/global.css
===================================================================
--- wp-admin/css/global.css	(revision 11256)
+++ wp-admin/css/global.css	(working copy)
@@ -188,9 +188,14 @@
 /* Hide visually but not from screen readers */
 .invisible {
 	position: absolute;
-	left: -1000em;
+	margin-left: -1000em;
 }
 
+/* camino fix for the above */
+legend.invisible {
+	display: none;
+}
+
 .hidden,
 .js .closed .inside,
 .js .hide-if-js,