/* Underline every focused link, including navigation and button-styled links. */
a:focus {
    text-decoration-line: underline !important;
    text-underline-offset: .2em;
}

/* Footer links also underline on mouse hover. */
footer a:hover,
.site-footer a:hover {
    text-decoration-line: underline !important;
    text-underline-offset: .2em;
}