.product-menu {
    margin: 40px 0;
}

.product-menu ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    row-gap: 10px;
}
.product-menu ul li {
    margin-right: 10px;
}

.product-menu ul li:last-child {
    margin-right: 0px;
}
.product-menu ul li a {
    display: inline-block;
}
.tab-panel{
    display: none;
}
.tab-panel.active{
    display: block;
}