.vn-category-product h2 {
    display: -webkit-box;
    min-height: 3.3em;
    max-height: 3.3em;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

@media (max-width: 820px) {
    .vn-category-product h2 {
        min-height: 2.9em;
        max-height: 2.9em;
    }
}