body {
  max-width: 42em;
  margin: 2em auto;
  line-height: 1.5;
  font-family: Georgia, serif;
  background: #fdfcf8;
  color: #111;
  padding: 0 1em;
}
h1, h2 { border-bottom: 1px solid #ccc; padding-bottom: .3em; }
footer { text-align: center; color: #555; margin-top: 2em; }