.main-promo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80%;
    margin: 0 10% 0 10%;
    min-height: 500px;
}

.main-promo iframe {
    max-width: 96%;
}

@media (min-width: 590px) {
    .main-promo iframe {
        width: 560px;
        height: 315px;
        max-width: unset;

    }
}