.ad-footer-banner {
    box-sizing: border-box;
    width: 100%;
    max-width: 728px;
    margin: 16px auto;
    padding: 0 12px;
    min-height: 0;
    overflow: hidden;
    clear: both;
}

.ad-footer-banner:empty {
    min-height: 0;
    margin: 0;
    padding: 0;
}

.ad-footer-banner ins.adsbygoogle {
    display: block;
    text-align: center;
}