html,
body {
  margin: 0;
  height: 100%;
  background: #14121c;
  overflow: hidden;
}

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

#screen {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  outline: none;
  cursor: default;
}