Index: wp-admin/css/wp-admin-rtl.css
===================================================================
--- wp-admin/css/wp-admin-rtl.css	(revision 23706)
+++ wp-admin/css/wp-admin-rtl.css	(working copy)
@@ -2584,6 +2584,12 @@
   margin: 4px 6px 0 0;
 }
 
+.nav-menus-php .meta-sep,
+.nav-menus-php .submitdelete,
+.nav-menus-php .submitcancel {
+	float: right;
+}
+
 /*------------------------------------------------------------------------------
   29.0 - HiDPI
 ------------------------------------------------------------------------------*/