.nav-underline{position:relative;overflow:hidden}.nav-underline:before{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:10px;transition:width .4s cubic-bezier(.4,0,.2,1)}.nav-underline:hover:before{width:100%}.nav-underline--dark:before{background:#000}.nav-underline--light:before{background:#fff}.nav-underline--blue:before{background:#3188AA}.nav-underline--active:before{width:100%!important}