#video {
  position: absolute;
  left: 0;
  top: 0;
  right: 0%;
  bottom: 0;
  height: 50%;
  width: 100%;
  background-color: black;
}

#map {
  position: absolute;
  top: 50%;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 50%;
}