PhpCss\Ast\Visitor\Explain::visitSelectorSimpleUniversal PHP Method

    public function visitSelectorSimpleUniversal(Ast\Selector\Simple\Universal $universal)
    {
        if (!empty($universal->namespacePrefix) && $universal->namespacePrefix != '*') {
            $css = $universal->namespacePrefix . '|*';
        } else {
            $css = '*';
        }
        $this->appendElement('universal', $css);
        return TRUE;
    }