.custom-product-categories {
    list-style: none;
    padding: 0;
}

.custom-product-categories .parent-category {
    cursor: pointer;
    font-weight: bold;
}

.custom-product-categories .child-categories {
    list-style: none;
    padding-left: 20px;
}

.custom-product-categories .child-category a {
    text-decoration: none;
    color: #000;
}

.custom-product-categories .child-category a:hover {
    text-decoration: underline;
}