p.caption {
  color: #777;
  margin-top: 10px;
}
p code {
  white-space: inherit;
}
pre {
  word-break: normal;
  word-wrap: normal;
}
pre code {
  white-space: inherit;
}
/* Make TOC (sidebar navigation) wider */
.book .book-summary {
  width: 350px;       /* default ~230px, increase as needed */
}

/* Push the content area so it doesn’t overlap */
.book.with-summary .book-body {
  left: 350px;        /* match the width above */
}