.region-advertising .advertisement {
    min-height: 100px;
}

@media (min-width: 768px) {
    .region-advertising .advertisement {
        min-height: 90px;
    }
}

.advertisement--leaderboard .ad-1 {
    height: 100px;
    width: 320px;
}

@media (min-width: 768px) {
    .advertisement--leaderboard .ad-1 {
        display: none;
    }
}

.advertisement--leaderboard .ad-2 {
    display: none;
    height: 90px;
    width: 728px;
}

@media (min-width: 768px) {
    .advertisement--leaderboard .ad-2 {
        display: block;
    }
}