body {
      font-family: Arial, sans-serif;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
      background-color: #f0f0f0;
    }

    button {
      padding: 10px 20px;
      font-size: 16px;
      cursor: pointer;
      background-color: #4CAF50;
      color: white;
      border: none;
      border-radius: 5px;
      transition: background-color 0.3s;
    }

    button:hover {
      background-color: #45a049;
    }