body {
    margin: 1em;
}

h1 {
  padding: 0.1em 0.5em 0.3em 0.5em;
}

h1, h2, h3 {
  margin-top: 1em;
  padding: 0.2em;
  border-bottom: 4px solid gray;
}

h3 {
  border-bottom: 2px solid gray;
}

pre {
  margin: 0.5em 2em;
  padding: 0.5em;
  background-color: #eee;
  border: 1px solid #ddd;
}

img {
  border: 0;
}

#header {
  float: right;
  margin-left: 1em;
  padding: 0.5em;
  background-color: #eef;
  border: 1px solid gray;
}

#header ul {
  padding-left: 1.5em;
}

#header li {
}

#content {
  padding: 0 1em;
}

#footer {
  text-align: right;
  clear: both;
}