html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
}

#stage {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game {
  background: #1e501e;
  touch-action: none;
  image-rendering: -webkit-optimize-contrast;
  max-width: 100vw;
  max-height: 100vh;
  aspect-ratio: 360 / 640;
}