body,
html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-image: url('zhf.jpg');
  background-size: contain;
}

#video-container {
  position: absolute;
  width: 50%;
  height: 66%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

video::-webkit-media-controls {
  display: none !important;
}

#video {
  width: 100%;
  height: 100%;
}