html,
body {
  margin: 0;
  padding: 0;
  background-color: #000000;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

canvas {
  display: block;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  /* outline: 1px */
  /* border: 1px solid rgb(255, 0, 0); */
}