#top-menu li.current-menu-item>a::after{content:'';display:block;width:90%;height:0.14em;margin:0 auto;background:linear-gradient(to right,#0c71c3 0%,#0c71c3 50%,transparent 50%,transparent 100%);background-size:200% 100%;position:absolute;bottom:0.2em;left:50%;transition:background-position 0.3s;transform:translateX(-50%)}#top-menu li.current-menu-item>a:hover::after{background-position:100% 0;background-color:inherit}