.nav-link.active {
    color: #15803d;
    /* Tailwind green-700 */
    position: relative;
    font-weight: 600;
}

.nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background-color: #15803d;
    border-radius: 9999px;
}