html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #0a0f2e;
}

canvas {
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

body.idle {
  cursor: none;
}