.square-ad {
    width: 100%;
    height: 250px;
    margin-bottom: 20px;
}

.square-ad:first-of-type {
    margin-top: 20px;
}

.vertical-ad {
    height: 600px;
    margin-bottom: 20px;
}

.top-ad {
    width: 720px;
    height: 90px;
    margin: 0 auto 30px auto;
}

.res-ad {
    width: 720px;
    height: 90px;
    margin: 0 auto 30px auto;
}

.fallback-ad {
    display: block;
}

.res-ad-mobile {
    width: 300px;
    height: 250px;
    margin: 0 auto 30px auto;
}


.mobile-top-ad {
    width: 320px;
    height: 50px;
    margin: 0 auto 30px auto;
}

.sticky-ad-bottom {
    height: 50px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0;
    width: 100%;
    z-index: 50;
    background-color: rgba(255,255,255,.8);
}

.top-ad-wrapper {
    margin-top: 100px;
}