.video-container, .video-responsive {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 35px;
  height: 0;
  overflow: hidden;
  margin-bottom: 15px;
  iframe,embed,object {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
}
