@media (min-width:768px){
    .product-images ul li{
        width: 440px;
        min-width: 440px;
    }
    .catalog-item {
        width: calc(50% - 20px);
    }
    .large-category-list ul li {
        width: calc(50% - 20px);
    }
}
@media (min-width:992px){

    .mainstream-products .catalog-item .item-holder {
        width: 100%;
    }
}
@media (min-width:1200px){
    .large-category-list ul li {
        width: calc(33.333% - 20px);
    }
    .product-images ul li {
        width: 440px;
        min-width: 440px;
    }
    .catalog-item {
        width: calc(33.333% - 20px);
    }
}
@media (min-width:1400px){
    .product-images ul li {
        width: 570px;
        min-width: 570px;
    }
}