text: $(document).ready(function () {
      var menuButton = $('.sidebar-button');
  
      menuButton.on('click', function () {
          $('.content').toggleClass('isOpen');
  
      });
      setNavigation();
  
  });
  
  function setNavigation() {
      var path = window.location.pathname;
      path = path.replace(/\/$/, "");
      path = decodeURIComponent(path);
  
      $(".nav a").each(function () {
          var href = $(this).attr('href');
  
          // works only at windows machines ==> 1 instead of 12
          if (path.substring(12, path.length) === href) {
              $(".nav a").removeClass('active');
              $(this).addClass('active');
              return;
          }
      });
  }