tion() {
      if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
        mybutton.style.display = "block";
      } else {
        mybutton.style.display = "none";
      }
    }

    // When the user clicks on the button, scroll to the top of the document
    function goToTop() {
      document.body.scrollTop = 0;
      document.documentElement.scrollTop = 0;
    }
  </script>
</body>
<script>
  let hamburger = document.querySelector('.hamburger');
  hamburger.addEventListener('c