youtube-autoplay.scss

.youtube-video .video-wrapper
{
  display: none;
  height: 0;
  overflow: hidden;
  padding-bottom: 56.25%; //16:9
  position: relative;
  width: 100%;
}

.youtube-video .video-wrapper .video
{
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}