nav ul li a{position:relative;text-decoration:none;color:#000}nav ul li a::before{content:"";position:absolute;width:0%;height:2px;bottom:30%;left:0;background-color:#3550a0;visibility:hidden;transition:all 0.3s ease-in-out}nav ul li a:hover::before{visibility:visible;width:100%}nav ul li a:not(:hover)::before{visibility:visible;width:0%;transition:all 0.3s ease-in-out}nav ul li a:hover{color:#07257d!important}