html,
body,
#game {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #000;
}

body {
  touch-action: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  overscroll-behavior: none;
}

canvas {
  display: block;
  image-rendering: pixelated;
}