body {
  font-family: Arial, sans-serif;
  margin: 2rem;
}

pre {
  background: #f4f4f4;
  padding: 1rem;
  border-radius: 8px;
  overflow: auto;
}

form label {
  display: block;
  margin-bottom: 0.5rem;
}

form input {
  width: 100%;
  max-width: 20rem;
  padding: 0.5rem;
  box-sizing: border-box;
}

form button {
  margin-top: 0.5rem;
}