Index: nav-menus.php
===================================================================
--- nav-menus.php	(revision 13423)
+++ nav-menus.php	(working copy)
@@ -368,7 +368,7 @@
 							<script type="text/javascript">
 								updatepostdata();
 							</script>
-							<input id="save_bottom" name="save_bottom" type="submit" value="<?php esc_attr_e('Save All Changes'); ?>" />
+							<input id="save_bottom" class="button-primary" name="save_bottom" type="submit" value="<?php esc_attr_e('Save All Changes'); ?>" />
 							<input id="delete-menu" name="delete-menu" type="submit" value="<?php esc_attr_e('Delete This Menu'); ?>" />
 						</p>