Hide SP stuff not in webpart

sharepoint-mobile.xhtml

<script>
    $(function() {
        var $div_to_move = $('#MSOZoneCell_WebPartWPQ2'),
                $body = $('body');
        if ($div_to_move.length) {
            $body.prepend($div_to_move);
            $('body').children().not('#MSOZoneCell_WebPartWPQ2').remove();
            $('body').prop('style', 'overflow-y: scroll !important;');
        }
    });
</script>