Output not display in proper format in elgg


   i have integrate one html theme in my elgg, in this theme i write blog post code to get all blog posts in the htlm part. but that not display in proper fromat,...
    this code is write in my C:\xampp2\htdocs\elgg2\mod\ab_theme\index.php​ file.
    what is wrong in my code ?


<div class="col-sm-6 col-lg-6 col-md-6 col-xs-12">
<div class="feedsection">
    <div class="col-sm-9 col-lg-6 col-md-6 col-xs-9">
                // make sure only logged in users can see this page
                // gatekeeper();
                // $user = elgg_get_logged_in_user_entity();
                // $icon = elgg_view_entity_icon($user, 'large', array('use_hover' => false));
                echo elgg_list_entities([
                    'type' => 'object',
                    'subtype' => 'blog',
                    'limit' => 3, // Latest 3 blog                    
                    'full_view' => false,
                    'list_type_toggle' => false,                    
                    'pagination' => false,