old_contents: /* From w3schools */
  
  /* When the user clicks on the button,
  toggle between hiding and showing the dropdown content */
  $(function () {
      $('.c-dropdown__btn').click(function (event) {
          event.preventDefault();
          $(this).nextAll(".c-dropdown__cont").toggleClass('c-dropdown__cont--hide');
      });
  });
  
  // Close the dropdown if the user clicks outside of it
  window.onclick = function(event) {
      if (!event.target.matches('.c-dropdown__btn')) {
          $(".c-dropdown__cont").addClass('c-dropdown__cont--hide');
      }
  }
new_contents: /* From w3schools */
  
  /* When the user clicks on the button,
  toggle between hiding and showing the dropdown content */
  $(function () {
      $('.c-site-nav').on('click', '.c-dropdown__btn', function (event) {
          event.preventDefault();
          $(this).nextAll(".c-dropdown__cont").toggleClass('c-dropdown__cont--hide');
          $(this).nextAll(".mean-expand").click();
      });
  });
  
  // Close the dropdown if the user clicks outside of it
  window.onclick = function(event) {
      if (!event.target.matches('.c-dropdown__btn')) {
          $(".c-dropdown__cont").addClass('c-dropdown__cont--hide');
      }
  }
subject: Fix nav issue when using mean menu