body {
      margin: 0;
      padding: 0;
    }
    .video-container {
      position: relative;
      width: 100%;
      height: 0;
      padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
      overflow: hidden;
      margin-bottom: 20px; /* space between videos */
    }
    .video-container video {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }