<div id="topbar" class="navbar navbar-expand-md fixed-top navbar-light bg-success">
    <div class="container-fluid">
        <a class="navbar-brand" href="<?php print_link(HOME_PAGE) ?>">
            <img class="img-responsive" src="<?php print_link(SITE_LOGO); ?>" /> <?php echo SITE_NAME ?>
            </a>
            <button type="button" class="navbar-toggler" data-toggle="collapse" data-target=".navbar-responsive-collapse">
                <span class="navbar-toggler-icon"></span>
            </button>
            <div class="collapse navbar-collapse navbar-responsive-collapse">
                <?php Html :: render_menu(Menu :: $navbartopleft  , 'navbar-nav mr-auto' ); ?>
            </div>
        </div>
    </div>