body {
    background-color: black;
    font-family: Tahoma, sans-serif;
}

.video-container{
  width: 100vw;
  height: 100vh;
    background-color: black;
}
    
iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 100vh;
  transform: translate(-50%, -50%);
      background-color: black;
}

#text {
  position: absolute;
  color: #FFFFFF;
    bottom: 0;
    background-color: black;
    text-align: center;
    padding: 10px;
    margin: auto;
    width: 100%;
}

h1 {
    font-size: 20px;
    
}


@media (min-aspect-ratio: 16/9) {
  .video-container iframe {
    /* height = 100 * (9 / 16) = 56.25 */
    height: 56.25vw;
  }
}
    
@media (max-aspect-ratio: 16/9) {
  .video-container iframe {
    /* width = 100 / (9 / 16) = 177.777777 */
    width: 177.78vh;
  }
}