una/template/_header_js_toolbar.html

<script language="javascript">
    $(document).ready(function () {
        // hide toolbar on scrolldown, show - on scroll up
        var oToolbar = $('#bx-toolbar');
        if(oToolbar && oToolbar.length > 0)
            new Headroom(oToolbar.get(0), {
                tolerance: {
                    down: 10,
                    up: 20
                },
                offset: 200,
                classes: {
                    initial: "bx-toolbar-anim",
                    pinned: "bx-toolbar-reset",
                    unpinned: "bx-toolbar-up"
                },
                onUnpin: function() {
                    bx_menu_slide_close_all_opened();
                }
            }).init();
    });
</script>