public function get_css_content_editor() {
        $css = '';
        $cssfiles = $this->editor_css_files();

        // If editor has static CSS, include it.
        foreach ($cssfiles as $file) {
            $css .= file_get_contents($file)."\n";
        }

        // If editor has SCSS, compile and include it.
        if (($convertedscss = $this->editor_scss_to_css())) {
            $css .= $convertedscss;
        }

        $output = $this->post_process($css);

        return $output;
    }