description = "Scroll to top"

[viewBag]
==
<a class="back-top d-none d-md-flex justify-content-center align-items-center invisible rounded-circle w-16r h-16r position-fixed pos-r-4 pos-b-4 z-100 opacity-0 transition-80 btn p-0 btn-default text-white" href="#top">
    <i class="fas fa-arrow-up display-8"></i>
</a>

{% put scripts %}
<script>
//Scroll to top
var btn = $('.back-top');

$(window).scroll(function() {
  if ($(window).scrollTop() > 300) {
    btn.addClass('visible opacity-100');
    btn.removeClass('invisible');
  } else {
    btn.removeClass('visible opacity-100');
    btn.addClass('invisible');
  }
});

btn.on('click', function(e) {
  e.preventDefault();
  $('html, body').animate({scrollTop:0}, '300');
});
</script>
{% endput %}