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;
}

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;
}

.alert {
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 4px;
  font-size: 16px;
}

.warning {
  color: #856404;
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
}

.primary {
  color: #004085;
    background-color: #cce5ff;
    border: 1px solid #b8daff;
}