ame("html")[0].classList.toggle('inverse');
        });
        document.getElementById('toggle-text-grade').addEventListener('click', function(e) {
          e.preventDefault();
        	document.getElementById('toggle-text-grade').classList.toggle('on');
        	document.getElementById('toggle-text-grade').classList.toggle('off');
        	document.getElementsByTagName("html")[0].classList.toggle('graded');
        });
      }
    </script>
    <!-- END feature toggles -->
  
    <!-- Add your site or ap