#primary img {
  vertical-align:middle;
}

code {
  display: block;
  left-margin: 2em;
}

#primary h3 {
  margin-top: 1.5em;
}

#primary ul,
#secondary ul {
  margin-left: 0;
  list-style: none;
}
#primary li {
  margin: 1.5em 0;
}