li a.is-active{color:var(--color-brand-700)}.dark li a.is-active{color:var(--color-brand-300)}li a:after{bottom:0;content:"";height:1px;left:0;position:absolute;transition:width .7s ease-out;width:0}li a.is-active:after{background-color:var(--color-brand-700);width:240px}.dark li a.is-active:after{background-color:var(--color-brand-300);width:240px}