body {
        font-family: Arial, sans-serif;
        background-color: #f7f7f7;
        display: flex;
        justify-content: center;
        padding: 20px;
      }
      .container {
        background: #fff;
        padding: 20px 30px;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        max-width: 600px;
        width: 100%;
        text-align: center;
      }
      h1, p {
        text-align: center;
      }
      form {
        margin-top: 20px;
      }
      input[type="text"] {
        width: 80%;
        padding: 10px;
        font-size: 16px;
        margin-bottom: 15px;
        border: 1px solid #ccc;
        border-radius: 4px;
      }
      button {
        padding: 10px 20px;
        font-size: 16px;
        color: white;
        background: #007acc;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        margin: 10px;
      }
      button:hover {
        background: #005fa3;
      }
      .preview {
        margin: 20px 0;
      }
      .preview svg {
        width: 100%;
        max-width: 495px;  /* dimensione originale */
        border: 1px solid #ddd;
        border-radius: 4px;
      }
      .download {
        margin: 20px 0;
      }