Change the class of wordpress menu
This will add class sub-menu-0, sub-menu-1 and so on depending upon their depth. //This will go in functions.php file class wpse61220_submenu_class extends Walker_Nav_Menu { function start_lvl(&$output, $depth) { $indent = str_repeat(“\t”, $depth); $output .= “\n$indent<ul class=\”sub-menu-“.$depth.”\”>\n”; } } // Usage – // wp_nav_menu( array(‘walker’ => new wpse61220_submenu_class() ) ); Reference – function wp_nav_menu()