public static function loadCss()
{
HookAction::loadCss();
// global $is_IE;
// if ($is_IE ) {
// // IE version conditional enqueue
// $response = wp_check_browser_version();
// if ( 0 > version_compare( intval( $response['version'] ) , 8 ) )
// wp_enqueue_style( ... );
// if ( 0 > version_compare( intval( $response['version'] ) , 9 ) )
// wp_enqueue_style( ... );
// }
wp_register_style('bootstrap', get_template_directory_uri() . '/assets/front/libs/bootstrap/css/bootstrap.min.css', null, false);
wp_register_style('normalize', get_template_directory_uri() . '/assets/front/css/normalize.css', null, false);
wp_register_style('app', get_template_directory_uri() . '/assets/front/css/app.css', null, false);
wp_enqueue_style('bootstrap');
wp_enqueue_style('normalize');
wp_enqueue_style('app');
}