body {
    margin: 0;
    padding: 0;
}

.full-size-page {
    height: 100vh;
}

/* Background video */
  .background-video {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      z-index: 1;
      overflow: hidden;
  }
.foreground-video,
.background-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

@media (min-aspect-ratio: 16/9) {
    .foreground-video { height: 310%; top: -100%; }
}
@media (max-aspect-ratio: 16/9) {
    .foreground-video { width: 300%; left: -100%; }
}

/* Overlay video */
#video-overlay {
    z-index: 2;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 50% 50%;
}