code: public function style($url, $attributes = [], $secure = null)
      {
          $defaults = ['media' => 'all', 'type' => 'text/css', 'rel' => 'stylesheet'];
  
          $attributes = array_merge($attributes, $defaults);
  
          $attributes['href'] = $this->uri->assets($url, $secure);
  
          return $this->toHtmlString('<link' . $this->attributes($attributes) . '>' . PHP_EOL);
      }
docs: Generate a link to a CSS file.
  
  @param string $url
  @param array  $attributes
  @param bool   $secure
  
  @return string