*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background-color:#f4f4f4;display:flex;justify-content:center;align-items:center;height:100vh}h1{font-size:2rem;color:#333;text-align:center;margin-bottom:10px}h2{font-size:1.5rem;color:#555;text-align:center;margin-bottom:20px}.counter-container{background-color:#fff;padding:30px;border-radius:10px;box-shadow:0 4px 8px #0000001a;text-align:center;width:300px}.button-container{display:flex;justify-content:center}button{font-size:1.5rem;padding:10px 20px;margin:0 10px;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s ease}button:hover{background-color:#ddd}button:focus{outline:none}button:nth-child(1){background-color:#4caf50;color:#fff}button:nth-child(1):hover{background-color:#45a049}button:nth-child(2){background-color:#ff9800;color:#fff}button:nth-child(2):hover{background-color:#e68a00}button:nth-child(3){background-color:#f44336;color:#fff}button:nth-child(3):hover{background-color:#e53935}