*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;margin:0;padding:0;overflow:hidden}body{display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#4fc3f7,#29b6f6);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}#game-container{display:flex;justify-content:center;align-items:center;border-radius:8px;box-shadow:0 20px 60px #0000004d}canvas{border-radius:8px;display:block;margin:auto}