body {
    font-family: sans-serif;
    text-align: center;
    margin-top: 40px;
    background-color: #f8f8f8;
  }
  
  button {
    margin: 10px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    background-color: #3498db;
    color: white;
    border-radius: 5px;
    transition: background-color 0.2s;
  }
  
  button:hover:enabled {
    background-color: #2980b9;
  }
  
  button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
  }
  
  #spinner {
    font-size: 18px;
    color: #555;
    margin: 20px;
  }
  
  img {
    margin-top: 20px;
    border: 4px solid #ddd;
    border-radius: 10px;
    max-width: 90%;
    height: auto;
  }
  