body {
  font-family: sans-serif;
  padding: 1rem;
}

#qr {
  margin-top: 1rem;
}

.hidden {
  display: none;
}

input {
  padding: 0.3rem;
}

button {
  padding: 0.4rem 0.7rem;
  margin-right: 0.5rem;
}

#pinSection {
  margin-top: 1rem;
}