*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;background-color:#0a0a0a;overflow:hidden}body{display:flex;justify-content:center;align-items:center}#game-container{position:relative;width:100%;height:100%;display:flex;justify-content:center;align-items:center}canvas{display:block;margin:auto;image-rendering:pixelated;image-rendering:crisp-edges}