.container{
      font-family: Arial, sans-serif;
      text-align: center;
      padding: 50px;
      background: #f9f9f9;
    }

    input {
      padding: 10px;
      font-size: 16px;
      width: 250px;
      margin-bottom: 10px;
    }

    button {
      padding: 10px 20px;
      background: #28a745;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }

    button:hover {
      background: #218838;
    }

    #result {
      margin-top: 20px;
      font-size: 18px;
      color: #333;
    }