.products-item__top picture {
    margin: auto;
    max-width: 100%;
    max-height: 100%;
}

.banners__img picture, .banners__img img, .slick-slide img, .slick-slide picture, .brands__link img, .brands__link picture {max-width: 100%; height: auto;}
.main__brands {padding: 30px 0px;}
.main__brands .brands__list .brands__link {height: 130px;}

@media (max-width: 900px) {
    .main__brands .brands__list .brands__link {
        height: 100px;
    }
    .main__brands {
        padding: 15px 0 20px;
    }
}