html, body {
  margin: 0;
  padding: 0;
  background: #000;
  width: 100%;
  height: 100%;
  /* overflow: hidden prevents scrolling on mobile */
  overflow: hidden;
}

#canvas-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

canvas {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 3 / 4;
  touch-action: none;
  display: block;
}