#switcher {
  float: right;
  background-color: #ddd;
  border: 1px solid #000;
  margin: 10px;
  padding: 10px;
  font-size: .9em;
}
#switcher h3 {
  margin: 0;
}
#switcher .button {
  width: 100px;
  float: left;
  text-align: center;
  margin: 10px;
  padding: 10px;
  background-color: #fff;
  border-top: 3px solid #888;
  border-left: 3px solid #888;
  border-bottom: 3px solid #444;
  border-right: 3px solid #444;
}
#header {
  clear: both;
}

body.large #container .chapter {
  font-size: 1.5em;
}

body.narrow #container .chapter {
  width: 400px;
}

.selected {
  font-weight: bold;
}

.hidden {
  display: none;
}

#switcher .hover {
  cursor: pointer;
  background-color: #afa;
}