/* Set background video letterbox bars to white */ #thumbnail { background: white; } /* Restrict background video width to 1543px */ .sqs-video-background .background-video { max-width: 1543px!important; min-width: 0; min-height: 100%; left: 50%!important; -webkit-transform: translateX(-50%); -ms-transform: translateX(-50%); transform: translateX(-50%); }