public function render_admin_header() {
		//$page = (isset($_GET['page'])) ? esc_attr($_GET['page']) : false;
		$page = filter_input(INPUT_GET, 'page');
		if ($this->page != $page) {
			return;
		}

		echo '<style type="text/css">';
		echo $this->twig->render('list_table.css.twig', array());
		echo '</style>';
	}