.colorbox-media-video{
  cursor: pointer;
}

.colorbox-media-video-responsive {
  position: relative;
  height: 100%;
}

.colorbox-media-video-responsive:after {
  content: '';
  display: block;
  padding-bottom: 56.25%;
}

.colorbox-media-video-responsive iframe {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin: 0;
}