:root{background:#000;color-scheme:dark}html,body,#game{width:100%;height:100%;margin:0;overflow:hidden;background:#000}body{display:grid;place-items:center;touch-action:none}#game{display:grid;place-items:center}#game canvas{display:block;image-rendering:pixelated;image-rendering:crisp-edges;touch-action:none}