html, body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #1a0a04;
  position: fixed;
  width: 100%;
  height: 100%;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

#game {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  touch-action: none;
  -ms-touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  cursor: none;
  background: #1a0a04;
}