style.css

.category .content {
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	 
	-webkit-flex-wrap: wrap;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
}

.category .content .entry {
	border: 1px solid #eee;
	cursor: pointer;
	float: left;
	margin: 0 1.5% 20px 0;
	min-height: 400px;	
	padding-bottom: 10px;
	padding-top: 0;
	width: 48%;
	word-wrap: break-word;
}
	
.category .content .article-wrap {
	padding-top: 60px;
}

.category .content .entry:nth-of-type(2n+1) {
	clear: left;
}

.category .content .entry:nth-of-type(2n+2) {
	float: right;
	margin-right: 0;
}