.overlay:before{content:"";position:absolute;display:block;top:0;right:0;bottom:0;left:0;background:#000;opacity:0.8;}
.pull-right{float:right;}
.right-img{padding:0 0 10px 10px;}
.pull-left{float:left;}
.left-img{padding:0 10px 10px 0;}
@media screen and (max-width:480px){
	.right-img, .left-img{width:100%}
	
}