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