* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #111;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  font-family: system-ui, -apple-system, sans-serif;
}

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

#game {
  display: block;
  height: 100vh;
  height: 100dvh;
  aspect-ratio: 288 / 512;
  max-width: 100vw;
  background: #70c5ce;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  cursor: pointer;
}