BASIC TEMPLATE di Codeigniter

Di  Controller :

 $data['main_content'] = 'login_view';  
 $data['title']        = 'Login To WePOS';  
 $data['css']          = 'login-box.css';  
 $this->load->view('templates/default',$data);

jika css filenyalebih dari satu :

$data['cssFiles'] = array(
    'login-box.css',
    'other.css'
    );  

di file header :

if(is_array($cssFiles)){
    foreach($cssFiles as $cssFile) {
        <link href="<?php echo base_url() . 'style/' . $css; ?>" rel="stylesheet" type="text/css" />
    }
} 

di template,php view :

 $this->load->view('header_view');  
 $this->load->view($main_content);   
 $this->load->view('footer_view');