.ad-video iframe {
    max-width: 70%;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
}
.ad-video__video-container {
    display: flex;
    justify-content: center;
}
@media all and (max-width: 768px) {
    .ad-video iframe {
        max-width: 100%;
    }
}