st regards,&#10;{company_name}"></textarea>
                                    <small class="form-text text-muted">
                                        Variables: {invoice_number}, {company_name}, {customer_name}, {total_amount}, {due_date}
                                    </small>
                                </div>
                            </div>
                        </div>

                        <!-- Advanced Settings -->
                        <div class="row mt-4">
                 