#top-menu li a:before{content:"";position:absolute;z-index:2;left:0;right:100%;bottom:35%;padding:1px 1!important;background:#9b000e;height:3px;-webkit-transition:all 0.3s ease-out;-moz-transition:all 0.3s ease-out;-o-transition:all 0.3s ease-out}#top-menu li a:hover:before{right:0}