pathfinder/public/templates/ui/footer.html

<footer class="navbar-default navbar-fixed-bottom">
    <div class="container-fluid">
        <a href="{{ 'login' | alias }}" class="btn btn-fake navbar-btn">
            <i class="fas fa-arrow-left"></i>&nbsp;back
        </a>
        <a href="#pf-setup-server" class="btn btn-fake navbar-btn pull-right">
            <i class="fas fa-arrow-up"></i>&nbsp;top
        </a>
    </div>
</footer>