html, body {
  margin: 0;
  padding: 0;
  background: #000000;
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

#screen {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  max-width: 100%;
  max-height: 100vh;
}