body {
      font-family: Arial, sans-serif;
      text-align: center;
      padding: 30px;
      background: #f9f9f9;
    }
    input {
      width: 300px;
      padding: 10px;
      font-size: 16px;
    }
    button {
      padding: 10px 20px;
      font-size: 16px;
      margin-top: 10px;
      margin-right: 5px;
    }
    #qrcode {
      margin-top: 50px;
      display: flex;
      justify-content: center;
    }

#compartilhar a, #compartilhar button {
  display: inline-block;
  margin: 8px 5px;
  text-decoration: none;
  padding: 8px 12px;
  font-size: 14px;
  border: none;
  border-radius: 5px;
  background-color: #4caf50;
  color: white;
  cursor: pointer;
}

#compartilhar a:hover, #compartilhar button:hover {
  background-color: #388e3c;
}

#compartilhar {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease-in-out;
  margin-top: 20px;
}

#compartilhar.mostrar {
  opacity: 1;
  visibility: visible;
}