public static function cssClassProvider($name, $value)
    {
        switch ($name) {
            case 'table_condensed':
                return $value ? 'table-condensed' : '';
                break;
            case 'collapsed_sidebar':
                return $value ? 'sidebar-collapse' : '';
                break;
            default:
                return parent::cssClassProvider($name, $value);
        }
    }