body {
  margin: 30px;
  font-family: sans-serif;
  max-width: 700px;
}
h1 {
}
h2 {
  color: rgba(0,0,0,0.5);
}
h3 {
  margin-top: -10px;
  color: rgba(0,0,0,0.5);
}
a {
  color: rgba(0,0,255,0.45);
}