.page-nav-bg{min-height:60px}.page-nav{--pad-top:0;--pad-bot:0;left:0;position:sticky;right:0;top:0}.is-pinned .page-nav{position:fixed;z-index:999}.page-nav-items{display:flex;justify-content:space-around}.page-nav-item{flex:1 1 33.3%;text-align:center}.page-nav-link{align-items:center;color:var(--color-text-main);display:inline-flex;height:100%;justify-content:center;padding:21px 4px;position:relative;transition:.2s ease-in-out}.page-nav-link:after{background-color:var(--highlighter);border-radius:1px;bottom:0;content:"";height:4px;left:0;opacity:0;position:absolute;right:0;transform:translateY(-100%);transition:.2s ease-in-out}.page-nav-link.is-active,.page-nav-link:hover{color:var(--highlighter)}.page-nav-link.is-active:after,.page-nav-link:hover:after{opacity:1;transform:translateY(0)}.is-pinned .announcement-bar,.is-pinned .header-bg{display:none}