body {
  margin: 0;
  padding: 2rem;
  color: #222;
  font-family: Arial, Helvetica, sans-serif;
}

nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

nav a {
  color: #0645ad;
  font-size: 1rem;
  text-underline-offset: 0.2em;
}

h1 {
  margin: 0;
  font-size: 2rem;
}