.site-ad {
    box-sizing: border-box;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1000px;
    margin: 32px auto;
    padding: 14px 16px 18px;
    border: 1px solid #ffffffb0;
    border-radius: 16px;
    background: #edf8fff2;
    color: #37536a;
    text-align: center;
    contain: inline-size;
}
.site-ad[hidden] { display: none; }
.site-ad-label { display: block; margin-bottom: 12px; font: 11px/1.3 Arial, sans-serif; letter-spacing: 1px; text-transform: uppercase; }
.site-ad .adsbygoogle { display: block; }
.site-ad-banner { min-height: 145px; }
.site-ad-rectangle { max-width: 760px; min-height: 310px; }
.library-privacy { position: relative; z-index: 2; margin: 32px 0 0; }
.library-privacy a { color: #003366; background: #edf8fff2; padding: 8px 14px; border-radius: 14px; }
@media (max-width: 480px) { .site-ad { padding-left: 10px; padding-right: 10px; } }