*{margin:0;padding:0;border:0}html,body{height:100%}body{background:#222;color:#fafafa}main{margin:auto;text-align:center;padding:1rem 0}canvas{--scale: 2;--width: 640;background:#000;width:calc(1px * var(--width) * var(--scale));aspect-ratio:16/9;image-rendering:pixelated}footer{text-align:center;opacity:.5}