body {
  max-width: 40em;
  margin: 0 auto;
  padding: 5px;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6em;
  color: #d8d8d8;
  background-color: #111111;
}
h1, h2, h3 {
  font-family: Helvetica, Arial, sans-serif;
  font-weight: normal;
  color: #f0f0f0;
}
a {
  color: #8ab4f8;
}
a:visited {
  color: #b39ddb;
}
hr {
  border: none;
  border-top: 1px solid #333333;
}