#whatsapp-form {
  max-width: 550px;
    margin: 20px auto;
    padding: 40px;
  background: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

#whatsapp-form input,
#whatsapp-form select,
#whatsapp-form button {
  width: 100%;
  padding: 20px;
  margin: 5px 0;
  font-size: 20px;
  border-radius: 5px;
  border: 1px solid #ddd;
}

#whatsapp-form button {
  background-color: #25d366;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

#whatsapp-form button:hover {
  background-color: #1ebe57;
}