ph-Bookshelf/assets/gitbook-fix.css

.fold > ul {
	max-height: 0;
	overflow: hidden;
	transition-duration: 0.5s;
}

.fold.on > ul {
	max-height: unset;
}

.book .book-summary ul.summary li a, .book .book-summary ul.summary li span {
	padding-left: 30px;
	cursor: pointer;
}

.book .book-summary .exc-trigger {
	position: absolute;
	left: 12px;
	top: 12px;
}

.book .book-summary .on > a .exc-trigger:before {
	content: "\f078";
}

.book .book-summary .exc-trigger:before {
	content: "\f054";
}