public function getErrorPageHtml($html, $errorcode, $errormessage) {
        ob_start();
        ?>
        <style>
        .error_page_message > p {
          margin-top: 0.4rem;
          margin-left: 0.4rem;
        }
        .error_page_message .reasonCode {
          font-weight: 700;
        }
        </style>
        <div class="error_page_message">
            <h4><?php _e('The following errors occured:', 'wcex_linepay'); ?></h4>
            <p><span class="reasonCode">- <?php echo esc_html($errorcode); ?></span>: <?php echo esc_html($errormessage); ?></p>
        </div>
        <?php
        $ehtml = ob_get_contents();
        ob_end_clean();

        $html .= $ehtml;

        return $html;
    }