.container {
      text-align: center;
      padding: 100px;
      transition: background 0.5s;
      font-family: Arial, sans-serif;
    }

    button {
      padding: 10px 20px;
      font-size: 18px;
      cursor: pointer;
      background-color: #333;
      color: white;
      border: none;
      border-radius: 5px;
    }