.add-overlay-bg-color{position:relative}.add-overlay-bg-color:after{background:rgba(29,29,27,.8);bottom:0;content:"";height:100%;left:0;position:absolute;width:100%;z-index:2}.add-overlay-bg-color>.row-fluid{position:relative;z-index:3}@media(min-width:768px){.add-overlay-bg-color:after{height:70%}}