body {
  margin: 0;
  overflow: hidden;
  background: #222;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

canvas {
  display: block;
  background: linear-gradient(to bottom, #87CEEB, #6495ED);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}