.video-container-responsive {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 30px; height: 0; overflow: hidden;
  }
   
  .video-container-responsive iframe,
  .video-container-responsive object,
  .video-container-responsive embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  }