ul.z8-product-related {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    grid-gap: 10px;
}
ul.z8-product-related li {
    min-width: 100%;
}

ul.z8-product-related h2 {
    font-size: 14px;
}

ul.z8-product-related .product-info {
    padding: 10px;
}