.recaptcha-challenge-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    padding: .5rem;
    background: rgb(0 0 0 / 55%);
}
.recaptcha-challenge-panel {
    max-width: 100%;
    padding: .5rem;
    background: var(--bs-body-bg, white);
    color: var(--bs-body-color, black);
    border-radius: .5rem;
    box-shadow: 0 .5rem 2rem rgb(0 0 0 / 30%);
}
.recaptcha-challenge-panel h2 { font-size: 1.25rem; }
.recaptcha-challenge-panel button { margin-top: .75rem; }