:root{color-scheme:dark;background:#000}*{box-sizing:border-box}html,body{margin:0;height:100%;background:#000;overflow:hidden}#app{height:100%}.canvas-wrap{display:flex;align-items:center;justify-content:center;height:100%;background:#000;position:relative}canvas{display:block;width:min(100vw,calc(100vh * 640 / 350));aspect-ratio:640 / 350;image-rendering:pixelated;outline:none}