.nav__links a:after{content:"";transform-origin:50%;background:currentColor;height:2px;transition:transform .25s;position:absolute;bottom:0;left:0;right:0;transform:scaleX(0)}.nav__links a:hover:after,.nav__links a.is-active:after{transform:scaleX(1)}.nav__mobile-menu a:last-child{border-bottom:none}