body {
  padding: 0;
  margin: 0;
  display: grid;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#camera {
  position: relative;
  align-self: center;
  justify-self: center;
  width: 100vw;
  height: 100vh;
  filter: hue-rotate(calc(var(--shift) * 1deg));
}

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