body {
  background: #aaa;
  color: #111;
  font-family: monospace;
  margin: 0 auto;
  max-width: 75%;
}

a {
  color: #555;
  font-weight: bold;
  text-decoration: none;
}

nav {
  font-size: 0.85rem;
  margin: 2rem auto;
}

section {
  margin 3rem auto 2rem;
}
section a {
  padding: 0.2rem 0;
}
section a:hover {
  background: #333;
  color: #ccc;
}

header {
  margin: 3rem 0 2rem;
}

h1 {
  font-size: 2rem;
  margin: 1rem 0 0.5rem;
}

address {
  font-size: 0.85rem;
}

p {
  margin: 1rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
}