public static function updateClasses(Tag &$Tag)
    {
        if (empty($Tag->classes) && isset($Tag->attributes['class'])) {
            $classes = explode(' ', $Tag->attributes['class']);
        } elseif (!empty($Tag->classes)) {
            $classes = $Tag->classes;
        }

        if (isset($classes)) {
            sort($classes);
            $Tag->classes = $classes;
            $Tag->attributes['class'] = implode(' ', $classes);
        }
    }