*{box-sizing:border-box}body{text-align:center;margin-top:40px;font-family:Arial,sans-serif}.scoreBoard{margin-bottom:20px;font-size:24px;font-weight:700}.row{justify-content:center;display:flex}.square{cursor:pointer;background:#fff;border:2px solid #333;width:80px;height:80px;font-size:32px;font-weight:700}.square.empty:hover{cursor:pointer;background:#90ee90}.square.filled:hover{cursor:default;background:#f08080}.square.gameOver:hover{cursor:not-allowed;background:gray}.square.cut{background:gold}.square.cut:hover{background:orange}.game-control{margin-top:15px}.control-button{cursor:pointer;background:#fff;border:2px solid #333;margin:4px;padding:10px 18px;font-size:16px;font-weight:700;transition:all .2s}.control-button:hover{color:#fff;background:#333}.control-button:active{transform:scale(.95)}.control-button:disabled{color:#777;cursor:not-allowed;background:#ddd;border-color:#aaa}