.rt-md-menu-style ul.et-menu>li>a{position:relative;z-index:1}.rt-md-menu-style ul.et-menu>li>a:before{position:absolute;content:'';display:block;z-index:-1;background:#57B1B2;width:0;height:3px;bottom:20px;border-radius:5px;left:50%;transition:0.4s cubic-bezier(0.25,0.1,0,2.02)}.rt-md-menu-style ul.et-menu>li>a:hover:before{width:calc(100% + 5px);left:calc(5px / -2)}