palemoon-dev/platform/devtools/docs/styles/website.css

.book .book-summary ul.summary li {
    cursor: pointer;
}

.book .book-body .page-wrapper .page-inner section.normal p,
.book .book-body .page-wrapper .page-inner section.normal pre {
    margin: .85em 0;
}

.book .book-body .page-wrapper .page-inner section.normal pre {
    line-height: 1.25em;
}