html,body{margin:0;padding:0;width:100%;height:100%;background-color:#000;color:#fff;font-family:Courier New,Courier,monospace;overflow:hidden;display:flex;justify-content:center;align-items:center}#game-container{display:flex;justify-content:center;align-items:center;width:100%;height:100%}canvas{background-color:#000;border:1px solid #ffffff;box-shadow:0 0 15px #fff3;display:block;image-rendering:pixelated}