body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  text-align: center;
  padding: 2rem;
}

h1 {
  margin-bottom: 1rem;
}

.container {
  margin-bottom: 1.5rem;
}

input[type="text"] {
  width: 300px;
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  background-color: #0077ff;
  color: white;
  border: none;
  border-radius: 6px;
  margin-left: 0.5rem;
  cursor: pointer;
}

.qr-result img {
  margin-top: 1.5rem;
  width: 200px;
  height: 200px;
}