footer {
    width: 100%;
    padding: 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: auto;
}
.footer-ip-control {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}
#footer-ip-reveal {
    appearance: none;
    border: 0;
    background: transparent;
    color: inherit;
    margin: 0;
    padding: 0;
    font: inherit;
    font-weight: 800;
    line-height: inherit;
    transition: opacity .72s ease, color .2s ease;
}
#footer-ip-reveal:hover { opacity: .68; }
#footer-ip-reveal.is-revealing {
    opacity: 0;
    pointer-events: none;
}
#footer-ip-value { font-weight: 700; }