.product-nav {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    list-style: none;
}

.product-nav>li {
    position: relative;
    flex: 0 0 auto;
    list-style: none;
}

.product-nav>li>a {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 50px;
    text-align: center;
    text-decoration: none;
    color: var(--bs-black);
    /*border-bottom: 1px solid var(--bs-gray-300);*/
    transition: .3s;
    font-weight: 600;
    font-size: 14px;
}

@media (max-width: 767px) {
    .product-nav>li>a {
        width: 100%;
        padding: 0 23px;
        white-space: nowrap;
    }
}

@media (max-width: 475px) {
    .product-nav>li>a {
        padding: 0 15px;
        white-space: nowrap;
        width: 100%;
    }
}

/*.product-nav>li:first-child>a {
    border-left: 1px solid var(--bs-gray-300);
}*/

.product-nav>li.current-menu-item>a,
.product-nav>li.current_page_item>a {
    /*background: var(--bs-primary);
    color: var(--bs-white);
    border-right: 1px solid var(--bs-gray-300);
    border-left: 1px solid var(--bs-gray-300);*/
    border-bottom: 0;
}

.product-nav>li.current-menu-item::after,
.product-nav>li.current_page_item::after,
.product-nav>li.current-menu-ancestor::after {
    /*content: "";
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--bs-primary);*/

    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: var(--bs-primary);
}

/*.product-nav>li.current-menu-item>a,
.product-nav>li.current_page_item>a,
.product-nav>li.current-menu-ancestor>a {
    background: var(--bs-primary);
    color: var(--bs-white);
}*/

.product-nav>li.current-menu-item>a::after,
.product-nav>li.current_page_item>a::after,
.product-nav>li.current-menu-ancestor>a::after {
    /*content: "";
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--bs-primary);*/

    border-bottom: 3px solid var(--bs-warning);
}