styles.css

/* Module Layouts */
.col-a,
.col-b {
	clear: both;
	float: left;
}
@media( min-width: 60em ) {
	.col-a,
	.col-b {
		clear: none;
	}
	.col-a {
		width: 70%;
		float: left;
	}
	.col-b {
		width: 27%;
		float: right;
	}
}

@media( min-width: 50em ) {
	.three-col .mod {
		display: inline-block;
		float: left;
		width: 30%;
		margin: 0 5% 2em 0;
	}
	.three-col .mod:last-of-type {
		margin-right: 0;
		float: right;
	}
}

/* Module layout */
.mod img {
	display: block;
	margin: 0 auto;
	width: 100%;
	max-width: 250px;
}
.mod:media( min-width: 425px ) img {
	float: left;
	width: 30%;
	max-width: 9999px;
}
.mod:media( min-width: 425px ) .mod-header,
.mod:media( min-width: 425px ) .mod-desc {
	float: right;
	width: 68%;
	padding-left: 2%;
}