#content>nav.nav {	display:none;	}
#content>section>h2 {
	border-bottom:solid 1px #ebebeb;
	padding:1rem 0;
	font-size:1.7rem;
	}
#content>section:nth-of-type(2)>h2 {
	margin-bottom:0;
	border-bottom:none;
	padding:0;
	font-size:3rem;
	}
#content>section h3 {
	margin-bottom:0.3rem;
	font-size:1rem;
	}
@media all and (min-width:45em) { /* 45*12px=720px */
	#content>section {	clear:both;	}
	#content>section:nth-of-type(1) {
		float:left;
		clear:none;
		width:16rem;
		}
		#content>section:nth-of-type(2) {
			float:right;
			clear:none;
			width:calc(100% - 19rem);
			}
	}