.img-category figure, .img-category img {
    margin-left: auto;
    margin-right: auto;
    display: block;
}

@media (min-width: 992px) {
    .img-category figure, .img-category img {
        max-width: 800px;
    }
}

@media (max-width: 991px) {
    .img-category figure, .img-category img, .img-category {
        margin-left: auto;
        margin-right: auto;
        display: block;
    }
    .img-category iframe {
        width: 100% !important;
        height: 300px !important;
    }
}