body{margin:0;padding:0;background-color:#000;display:flex;justify-content:center;align-items:center;height:100vh;overflow:hidden}canvas{image-rendering:pixelated;image-rendering:crisp-edges;border:3px solid #fff;background-color:#000;width:min(100vw,100vh * 1.5);height:min(100vh,100vw / 1.5);max-width:100vw;max-height:100vh}