body {
  width: 100vw;
  height: 100vh;
  display: inline-block;
  margin: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#canvas {
  aspect-ratio: 1/1;
  margin: 2px;
  @media (orientation: portrait) {
    width: 100%;
  }
  @media (orientation: landscape) {
    height: 100%;
  }
}