body {
  max-width: 700px;
  margin: auto;
  font-family: Georgia, serif;
  font-size: 18px;
  line-height: 1.6;
  padding: 2rem;
  color: #222;
}

nav {
  margin-bottom: 2rem;
}

nav a {
  margin-right: 1.5rem;
  text-decoration: none;
  color: #222;
}