custom

(function($){
    $('.avia-video[data-original_url*="youtube"]').addClass('youtube-iframe');
    $('.avia-video.youtube-iframe').each(function() {
    regex = /(?:youtube(?:-nocookie)?\.com\/(?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|\S*?[?&]v=)|youtu\.be\/)([a-zA-Z0-9_-]{11})/;
    var ID = $(this).attr("data-original_url").match(regex)[1];
    var previewThumb = $(this).css('background-image');
    var ThumbUrl = previewThumb.replace(/^url\(['"](.+)['"]\)/, '$1');
    });
})(jQuery);