text: 
  
  var navButton = document.querySelector('.nav-icon');
  
  navButton.addEventListener('click', function() {
    console.log('clicky!!!');
    document.querySelector('body')
     .classList
     .toggle('nav-open');
  });
  
  var closeButton = document.querySelector('.close-icon');
  
  closeButton.addEventListener('click', function() {
    console.log('close it!');
    document.querySelector('body')
     .classList
     .toggle('nav-open');
  });
  