.theme-ad-slot {
    width: 100%;
}

.theme-ad-slot .theme-ad-unit + .theme-ad-unit {
    margin-top: 16px;
}

.theme-ad-unit {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    text-align: center;
}

.theme-ad-unit img,
.theme-ad-unit iframe,
.theme-ad-unit video {
    max-width: 100%;
}