@media(max-width: 767px){
    .collection-banner-adv .productListing.productGrid .product.banner {
        width: 100%;
        margin-top: 27px;
    }
    
    .collection-banner-adv .productListing.productGrid .product.banner + .product,
    .collection-banner-adv .productListing.productGrid .product.banner + .product + .product {
        margin-top: 15px;
    }
}