#top-nav .crumb:has(.shortlink.self.under) {
    position: relative;
}

#top-nav > .main > :is(nav, .breadcrumbs) .under,
.tabs .under {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    font-size: smaller;
    margin-top: 0.25em;
    white-space: pre;
    text-align: center;
    color: black;
}

#top-nav > .main > :is(nav, .breadcrumbs) a[href].under:is(:hover, :focus) {
    background-color: revert;
}

#top-nav .shortlink.self.under {
    left: revert;
    width: revert;
    padding: 0 !important;
    margin-right: 0.5rem !important;
}

#top-nav .shortlink.self.under:is(:hover, :focus) {
    color: revert;
    text-decoration: underline;
}