nav li {
  float: left;
  display: block;
  margin-right: 1em;
//  margin: 0 1em 0 0;
  font-family: Courier New, Courier, monospace;
}

#footer {
  margin-top: 2em;
  font-size:0.8em;
}

.note {
  font-size:0.7em;
}

.monospace {
  font-family: Courier New, Courier, monospace;
}