.clearfix {display: inline-block;width: 100%;margin: 50px 0 20px}
	.clearfix .per50 {width: 47%;float: left;height: 260px;}
	.clearfix .per50:first-child{margin-right: 5%}
	@media screen and (max-width:1300px){
		.clearfix .per50 {float: none;margin: 20px 0}
		
	}