#hero .carousel-item:before{background-color:rgba(42,106,175,.4);content:""}.portfolio .portfolio-wrap:before{background:rgba(42,106,175,.4);bottom:0;content:"";left:0;opacity:1;position:absolute;right:0;top:0;transition:all .3s ease-in-out;z-index:2}.portfolio .portfolio-wrap:hover:before{opacity:.7}