body {
  background: #fff;
  font-family: "Lucida Grande", "Lucida Sans Unicode", Helvetica, Arial, sans-serif;
  color: #222;
  width: 50em;
  margin-left: auto;
  margin-right: auto;
}
h1, h2, h3 {
  font-weight:normal;
  letter-spacing:-1px;
}
h1 {
  width: 100%;
  border-bottom: 1px solid #aaa;
}
dt {
  font-weight: bold;
  margin-top: 0.5em;
}