private function generate_initial_css($blocks, $style_options)
 {
     $data = FW_Switch_Style_Panel_Css_Generator::get_css($blocks, $style_options);
     $css = $data['google_fonts'];
     $css .= '<style data-rel="' . $this->cache_key . '" type="text/css">' . $data['css'] . '</style>';
     return $css;
 }
 public static function get_css($blocks, $style_options)
 {
     if (!self::$initialized) {
         self::$google_fonts = fw_get_google_fonts();
         self::$initialized = true;
     }
     return array('css' => self::generate_css($blocks, $style_options['blocks']), 'google_fonts' => self::get_remote_fonts());
 }