body{padding-top:3.5rem;background:#efefef}.jumbotron.custom-jumbotron{position:relative;z-index:1;font-weight:600;color:#000}.jumbotron.custom-jumbotron h1.display-3{font-weight:400;text-shadow:2px 1px 0 rgba(0,0,0,.4)}.jumbotron.custom-jumbotron::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;opacity:.4;z-index:-1;background:url(images/banner.png) no-repeat center center;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover}.navbar-nav .dropdown-menu{position:absolute!important}