style.css

.page-inner {
  max-width: 1000px !important;
}

.book.font-size-0 .book-body .page-inner section {
  font-size: 1em !important;
}
.book.font-size-1 .book-body .page-inner section {
  font-size: 1.5em !important;
}
.book.font-size-2 .book-body .page-inner section {
  font-size: 2em !important;
}
.book.font-size-3 .book-body .page-inner section {
  font-size: 2.5em !important;
}
.book.font-size-4 .book-body .page-inner section {
  font-size: 3em !important;
}

/* Styles below here were customized before standardization. 
   Try to get rid of these! */

p.caption {
  color: #777;
  margin-top: 10px;
}
p code {
  white-space: inherit;
}
pre {
  word-break: normal;
  word-wrap: normal;
}
pre code {
  white-space: inherit;
}

.book .book-body .page-wrapper .page-inner section.normal img.robot {
  float: left;
  height: 75px;
  margin-right: 20px;
}