public static function customizer_link($args = array())
{
$args = wp_parse_args($args, array('return_url' => urlencode(wp_unslash($_SERVER['REQUEST_URI']))));
return add_query_arg(array(array('autofocus' => array('section' => 'custom_css')), 'return' => $args['return_url']), admin_url('customize.php'));
}