code, pre {
  font-size: .8em;
  font-family: Courier New
}
h2, h3 { text-decoration: underline }
h2 { margin-bottom: .666em }
h3 { margin-bottom: .333em }
h4 { margin-bottom: .111em }

div#wrapper {
  padding: 5%;
  padding-top: 1%
}
div#back {
  position: absolute;
  right: 2%;
  top: 2%
}