body {
  background-color: #000;
}

#content, html, body {
  color: #0f0;
  font-family: monospace;
  position: relative;
}

#canvas, canvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
  display: block;
  touch-action: none;
}