librandi
In the file: /templates/uber/acm/hero/tmpl/style-4.php
Look for this line of code:
$video_src = '//www.youtube.com/embed/' . trim($arr[1]) . '?playlist=' . trim($arr[1]) . '&autoplay=1&loop=1&html5=1';
change it to:
$video_src = '//www.youtube.com/embed/' . trim($arr[1]) . '?playlist=' . trim($arr[1]) . '&autoplay=1&mute=1&loop=1&html5=1';
