ossn_theme.php

<?php
/**
 * 	OpenSource-SocialNetwork
 *
 * @package   (Informatikon.com).ossn
 * @author    OSSN Core Team <info@opensource-socialnetwork.com>
 * @copyright 2014 iNFORMATIKON TECHNOLOGIES
 * @license   General Public Licence http://opensource-socialnetwork.com/licence 
 * @link      http://www.opensource-socialnetwork.com/licence
 */
define('__THEMEDIR__', ossn_route()->themes.'ossnfacebook/');
ossn_new_css('ossn.default', 'themes/ossnfacebook/style/default');
ossn_new_css('ossn.admin.default', 'themes/ossnfacebook/style/administrator');

ossn_load_css('ossn.default');
ossn_load_css('ossn.admin.default', 'admin');

ossn_add_hook('css', 'group:background', 'ossntheme_blue_group_background');

function ossntheme_blue_group_background($hook, $type, $return, $params){
  return '#FDFDFD';	
}