laravel dompdf generates pdf with black bakground

$pdf = PDF::loadView('SchoolAccount.invoice_receipt', $data) set_time_limit(300);

                    Mail::send('SchoolAccount.invoice_receipt', $data, function($message)use($data,$pdf,$family) {
                    $message->to($family->father_email)
                    ->subject('Invoice Receipt')
                    ->from('mail@mail.com','Invoices')
                    ->attachData($pdf->output(), "invoice.pdf");

via Chebli Mohamed