website/layouts/partials/scripts.html

<script src="/js/jquery.slim.min.js"></script>
<script src="/js/bootstrap.min.js"></script>
<script src="https://js.hcaptcha.com/1/api.js" async defer></script>
<script>
  window.addEventListener("scroll", function() {
    if (window.scrollY > 100) {
      document.getElementById('mainnav').classList.add("scrolled");
    } else {
      document.getElementById('mainnav').classList.remove("scrolled");
    }
  });
  document.getElementById('mainnav').classList.add("beginscroll");
</script>