Header menu text font bold

<script>
  $(document).ready(function() {
    var cosmedent = $(".header-menu-secondary-nav .header-menu-level-container .categories2.Cosmedent.Products a.header-menu-level3-anchor")[0].innerText;
    if (cosmedent === "All Cosmedent Products") {
      $(".header-menu-secondary-nav .header-menu-level-container .categories2.Cosmedent.Products ul li:first-child").addClass('cosmeden')
      $(".cosmeden a.header-menu-level3-anchor").css('font-weight', 600);
    }
    var enlightenproduct = $(".header-menu-secondary-nav .header-menu-level-container .categories2.Enlighten.Products a.header-menu-level3-anchor")[0].innerText;
    if (enlightenproduct === "All Enlighten Products") {
      $(".header-menu-secondary-nav .header-menu-level-container .categories2.Enlighten.Products ul li:first-child").addClass('enlighten')
      $(".enlighten a.header-menu-level3-anchor").css('font-weight', 600);
    }
  });
</script>