add_action( 'wp_enqueue_scripts', 'enqueue_child_theme_style', 9999 ); function enqueue_child_theme_style() { wp_enqueue_style( 'dtbwp_css_child', get_stylesheet_directory_uri() . '/style.css', array( 'dtbwp_style', ), 1.0 ); } XML-RPC server accepts POST requests only.