body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
  background-color: #f4f4f9;
}

h1 {
  margin-top: 20px;
  color: #333;
}

form {
  margin: 20px auto;
  padding: 10px;
  max-width: 400px;
}

input {
  padding: 10px;
  width: 80%;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  padding: 10px 20px;
  background-color: #007BFF;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

#qrcode {
  margin-top: 20px;
}