Back to Top Button
The Back to Top Button allows users to return to the top of the page.
        On this page:
      
      
    Best Practices
- Insert it at the bottom of the root element in the page.
 - Don’t remove the text in the button. Screen readers need it.
 - It appears after the user has scrolled down, usually four times the height of the screen’s initially-visible portion.
 - The 
hrefof the button should be theidof the<main>element. 
Usage
<a id="ScrollToTop" href="#main" class="btn btn-accent btn-sm btn-scroll-top">
  <span class="icon fas fa-arrow-up" aria-hidden="true"></span>
  <span>Page top</span>
</a>