.joke {
  height: auto;
  display: block;
  width: 100%;
}

video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}


#background-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}