body {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1rem;
  background: #fbfaf7;
  color: #222;
  font: 18px/1.6 Georgia, "Times New Roman", serif;
}

header h1 {
  margin-bottom: 0;
}

nav a {
  margin-right: 1rem;
}

footer {
  color: #666;
  font-size: 0.85rem;
}