<div class="row">
    <div class="col-lg-5">
        <nav class="">
            <div class="collapse navbar-collapse" id="items_collapsable_wrapper">
                <div id="items_list_wrapper" class="row">
                </div>
            </div>
        </nav>
    </div>
    <div class="col-lg-7">
        <?php require_once(JPATH_ROOT . '/components/com_q/views/item.php'); ?>
    </div>
</div>