html, body {
  margin: 0;
  padding: 0;
  background: #000;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

canvas {
  display: block;
  margin: 0 auto;
  background: #000;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
}