html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #000;
}

#life {
  display: block;
  width: 100vw;
  height: 100vh;
  touch-action: none;
  cursor: crosshair;
  image-rendering: pixelated;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}