.video-background {
    position: relative;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
  }
  
  .video-background iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    transform: translate(-50%, -50%);
  }
  
  @media (min-aspect-ratio: 16/9) {
    .video-background iframe {
      /* height = 100 * (9 / 16) = 56.25 */
      height: 56.25vw;
    }
  }
  @media (max-aspect-ratio: 16/9) {
    .video-background iframe {
      /* width = 100 / (9 / 16) = 177.777777 */
      width: 177.78vh;
    }
  }

 .bgfill
    *{ Color : #fff; 
      Background : #000;}