public function getClosingContent()
    {
        $content = '';
        if ($this->_color) {
            $content .= '\cf0 ';
        }
        if ($this->_backgroundColor) {
            $content .= '\chcbpat0 ';
        }
        if ($this->_isBold) {
            $content .= '\b0 ';
        }
        if ($this->_isItalic) {
            $content .= '\i0 ';
        }
        if ($this->_isUnderlined) {
            $content .= '\ul0 ';
        }
        return $content;
    }