footer.nihil-footnotes {
    counter-reset: nihil-footnotes;
}

a[aria-details^="footnote-content"] {
    counter-increment: nihil-footnotes;
    text-decoration: none;
    color: inherit;
    cursor: default;
    outline: none;
}

a[aria-details^="footnote-content"]::after {
    content: '[' counter(nihil-footnotes) ']';
    vertical-align: super;
    font-size: 0.85em;
    margin-left: 2px;
    color: #0000EE;
    cursor: pointer;
}

a[aria-details^="footnote-content"]::after::hover {
    text-decoration: underline;
}

a[aria-details^="footnote-content"]:focus::after {
    outline: thin dotted;
    outline-offset: 2px;
}