/* TOC */
section .toc {
	top: 20px;
	position: relative;

	padding: 5px 20px;
}

section .toc.affix {
	position: fixed;
}

@media (max-width: 991px) {
	section .toc {
		display: none;
	}
}

@media (min-width: 992px) {
	section .toc {
		width: 213px;
	}
}

@media (min-width: 1200px) {
	section .toc {
		width: 263px;
	}
}

section .toc ul {
	list-style: none;
	padding: 0;
}

section .toc ul > li {
	margin-bottom: 10px;
}

section .toc h4 {
	font-size: 16px;
	text-align: center;
	position: relative;
	margin: 15px 0;
}