.ob-book-branding {
    flex-shrink: 0;
    text-align: center;
    padding: 10px 16px calc(8px + env(safe-area-inset-bottom, 0px));
}

.ob-book-branding a {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: inherit;
}

.ob-book-branding a:hover,
.ob-book-branding a:focus-visible {
    text-decoration: none;
}

.ob-book-branding-text {
    font-size: 0.6875rem;
    color: #adb5bd;
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.ob-book-branding a:hover .ob-book-branding-text,
.ob-book-branding a:focus-visible .ob-book-branding-text {
    color: #868e96;
}

.ob-book-branding-logo {
    display: block;
    max-width: 64px;
    width: auto;
    height: auto;
    opacity: 0.8;
    transition: opacity 0.15s ease;
}

.ob-book-branding a:hover .ob-book-branding-logo,
.ob-book-branding a:focus-visible .ob-book-branding-logo {
    opacity: 1;
}

.ob-book-branding--sidebar {
    margin-top: 1rem;
    padding-bottom: 0;
}