 var toggle = document.querySelector('.sidebar-toggle');
        var sidebar = document.querySelector('#sidebar');
        var checkbox = document.querySelector('#sidebar-checkbox');
        document.addEventListener('click', function(e) {
          var target = e.target;
          if(!checkbox.checked ||
             sidebar.contains(target) ||
             (target === checkbox || target === toggle)) return;
          checkbox.checked = false;
        }, false);
      })(document);
    </script>
        <s