body {
  font-family: Georgia, serif;
  background-color: #111;
  color: #eee;
  margin: 2em;
  line-height: 1.6;
}
a {
  color: #f33;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
header, footer {
  text-align: center;
  margin-bottom: 2em;
}
em {
  color: #bbb;
}
h1 {
  font-size: 2.2em;
  margin-bottom: 0.2em;
}
h2 {
  font-size: 1.6em;
  margin-bottom: 1em;
}
article {
  max-width: 700px;
  margin: 0 auto;
}