.article:first-of-type {
	margin-top: 3.5em;
}

.article + .article.borderTop {
	margin-top: 2em;
	padding-top: 2em;
	border-top: 1px solid #e3e3e3;
}

.imgFrame {
	margin-top: 4em;
}

.lecturer {
	margin: .5em 0 0;
}

.sub {
	font-size: .9em;
	color: #444;
	letter-spacing: 0;
}

.mt1-5em {
	margin-top: 1.5em;
}