main.css

@import url('//fonts.googleapis.com/css?family=Inconsolata');
body {
  font-family: 'Inconsolata', monospace;
  font-size: 20px;
  line-height: 1.3em;
  padding: 1em;
}
section {
  width: 32em;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}
.logo {
  height: 128px;
  width: 128px;
}
a {
  text-decoration: none;
  color: inherit;
  background-image: linear-gradient(#000,#000);
  background-position: 0 0.95em;
  background-repeat: repeat-x;
  background-size: 1px 1px;
  }
a:visited {
  color: inherit;
}
a:hover {
  text-decoration: none;
  background-image: linear-gradient(#268714,#268714);
  background-size: 2px 2px;
}