footer{background-color:#f2f2f2;padding:25px}.jumbotron{position:relative;background:#fff url(../images/jumbo.jpg) center center;width:100%;height:100%;background-size:cover;overflow:hidden}.panel-default > .panel-heading{background-color:#428bca;color:#FFF}.loader{position:fixed;left:0;top:0;width:100%;height:100%;z-index:9999;background:url(../images/loading_evo.gif) 50% 50% no-repeat #fff}