Hello , 

in you file try to add this style :

for example :

before : 

after:

or just replace your file : 

<t t-name="account.report_invoice_document">

<t t-call="web.external_layout">

<t t-set="o" t-value="o.with_context(lang=lang)"/>

<t t-set="forced_vat" t-value="o.fiscal_position_id.foreign_vat"/> <!-- So that it appears in the footer of the report instead of the company VAT if it's set -->

<div class="row">

<t t-if="o.partner_shipping_id and (o.partner_shipping_id != o.partner_id)">

<div class="col-6">

<t t-set="information_block">

<div groups="account.group_delivery_invoice_address" name="shipping_address_block">

<strong>Shipping Address</strong>

<div t-field="o.partner_shipping_id" t-options="{&quot;widget&quot;: &quot;contact&quot;, &quot;fields&quot;: [&quot;address&quot;, &quot;name&quot;], &quot;no_marker&quot;: True}"/>

</div>

</t>

</div>

<div class="col-6" name="address_not_same_as_shipping">

<t t-set="address">

<address class="mb-0" t-field="o.partner_id" t-options="{&quot;widget&quot;: &quot;contact&quot;, &quot;fields&quot;: [&quot;address&quot;, &quot;name&quot;], &quot;no_marker&quot;: True}"/>

<div t-if="o.partner_id.vat" id="partner_vat_address_not_same_as_shipping">

<t t-if="o.company_id.account_fiscal_country_id.vat_label" t-out="o.company_id.account_fiscal_country_id.vat_label" id="inv_tax_id_label"/>

<t t-else="">Tax ID</t>: <span t-field="o.partner_id.vat"/>

</div>

</t>

</div>

</t>

<t t-elif="o.partner_shipping_id and (o.partner_shipping_id == o.partner_id)">

<div class="offset-col-6 col-6" name="address_same_as_shipping">

<t t-set="address">

<address class="mb-0" t-field="o.partner_id" t-options="{&quot;widget&quot;: &quot;contact&quot;, &quot;fields&quot;: [&quot;address&quot;, &quot;name&quot;], &quot;no_marker&quot;: True}"/>

<div t-if="o.partner_id.vat" id="partner_vat_address_same_as_shipping">

<t t-if="o.company_id.account_fiscal_country_id.vat_label" t-out="o.company_id.account_fiscal_country_id.vat_label" id="inv_tax_id_label"/>

<t t-else="">Tax ID</t>: <span t-field="o.partner_id.vat"/>

</div>

</t>

</div>

</t>

<t t-else="">

<div class="offset-col-6 col-6" name="no_shipping">

<t t-set="address">

<address class="mb-0" t-field="o.partner_id" t-options="{&quot;widget&quot;: &quot;contact&quot;, &quot;fields&quot;: [&quot;address&quot;, &quot;name&quot;], &quot;no_marker&quot;: True}"/>

<div t-if="o.partner_id.vat" id="partner_vat_no_shipping">

<t t-if="o.company_id.account_fiscal_country_id.vat_label" t-out="o.company_id.account_fiscal_country_id.vat_label" id="inv_tax_id_label"/>

<t t-else="">Tax ID</t>: <span t-field="o.partner_id.vat"/>

</div>

</t>

</div>

</t>

</div>

<div class="clearfix invoice_main">

<div class="page mb-4">

<t t-set="layout_document_title">

<span t-if="not proforma"/>

<span t-else="">PROFORMA</span>

<span t-if="o.move_type == 'out_invoice' and o.state == 'posted'">Invoice</span>

<span t-elif="o.move_type == 'out_invoice' and o.state == 'draft'">Draft Invoice</span>

<span t-elif="o.move_type == 'out_invoice' and o.state == 'cancel'">Cancelled Invoice</span>

<span t-elif="o.move_type == 'out_refund' and o.state == 'posted'">Credit Note</span>

<span t-elif="o.move_type == 'out_refund' and o.state == 'draft'">Draft Credit Note</span>

<span t-elif="o.move_type == 'out_refund' and o.state == 'cancel'">Cancelled Credit Note</span>

<span t-elif="o.move_type == 'in_refund'">Vendor Credit Note</span>

<span t-elif="o.move_type == 'in_invoice'">Vendor Bill</span>

<span t-if="o.name != '/'"  style="font-size :24px;font-weight:bolt;" t-field="o.name">INV/2023/0001</span>

</t>

<div class="oe_structure"/>

<div id="informations" class="row mb-4">

<div class="col" t-if="o.invoice_date" name="invoice_date">

<t t-if="o.move_type == 'out_invoice'"><strong>Invoice Date</strong></t>

<t t-elif="o.move_type == 'out_refund'"><strong>Credit Note Date</strong></t>

<t t-elif="o.move_type == 'out_receipt'"><strong>Receipt Date</strong></t>

<t t-else=""><strong>Date</strong></t>

<div t-field="o.invoice_date">2023-09-12</div>

</div>

<div class="col" t-if="o.invoice_date_due and o.move_type == 'out_invoice' and o.state == 'posted'" name="due_date">

<strong>Due Date</strong>

<div t-field="o.invoice_date_due">2023-10-31</div>

</div>

<div class="col" t-if="o.delivery_date" name="delivery_date">

<strong>Delivery Date</strong>

<div t-field="o.delivery_date">2023-09-25</div>

</div>

<div class="col" t-if="o.invoice_origin" name="origin">

<strong>Source</strong>

<div t-field="o.invoice_origin">SO123</div>

</div>

<div class="col" t-if="o.partner_id.ref" name="customer_code">

<strong>Customer Code</strong>

<div t-field="o.partner_id.ref"/>

</div>

<div class="col" t-if="o.ref" name="reference">

<strong>Referenz</strong>

<div t-field="o.ref">INV/2023/00001</div>

</div>

<div class="col" t-if="o.invoice_incoterm_id" name="incoterm_id">

<strong>Incoterm</strong>

<div t-if="o.incoterm_location">

<span t-field="o.invoice_incoterm_id.code"/> <br/>

<span t-field="o.incoterm_location"/>

</div>

<div t-else="" t-field="o.invoice_incoterm_id.code" class="m-0"/>

</div>

</div>

<t t-set="display_discount" t-value="any(l.discount for l in o.invoice_line_ids)"/>

<div class="oe_structure"/>

<table class="o_has_total_table table o_main_table table-borderless" name="invoice_line_table">

<thead>

<tr>

<th name="th_description" class="text-start"><span>Description</span></th>

<th name="th_quantity" class="text-end"><span>Quantity</span></th>

<th name="th_priceunit" t-attf-class="text-end text-nowrap {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}"><span>Unit Price</span></th>

<th name="th_discount" t-if="display_discount" t-attf-class="text-end {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}">

<span>Disc.%</span>

</th>

<th name="th_taxes" t-attf-class="text-end {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}"><span>Taxes</span></th>

<th name="th_subtotal" class="text-end">

<span>Amount</span>

</th>

</tr>

</thead>

<tbody class="invoice_tbody">

<t t-set="current_subtotal" t-value="0"/>

<t t-set="current_total" t-value="0"/>

<t t-set="lines" t-value="o.invoice_line_ids.sorted(key=lambda l: (-l.sequence, l.date, l.move_name, -l.id), reverse=True)"/>

<t t-foreach="lines" t-as="line">

<t t-set="current_subtotal" t-value="current_subtotal + line.price_subtotal"/>

<t t-set="current_total" t-value="current_total + line.price_total"/>

<tr t-att-class="'fw-bold o_line_section' if line.display_type == 'line_section' else 'fst-italic o_line_note' if line.display_type == 'line_note' else ''">

<t t-if="line.display_type == 'product'" name="account_invoice_line_accountable">

<td name="account_invoice_line_name">

<span t-if="line.name" t-field="line.name" t-options="{'widget': 'text'}">Bacon Burger</span>

</td>

<td name="td_quantity" class="text-end text-nowrap">

<span t-field="line.quantity">3.00</span>

<span t-field="line.product_uom_id" groups="uom.group_uom">units</span>

</td>

<td name="td_price_unit" t-attf-class="text-end {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}">

<span class="text-nowrap" t-field="line.price_unit">9.00</span>

</td>

<td name="td_discount" t-if="display_discount" t-attf-class="text-end {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}">

<span class="text-nowrap" t-field="line.discount">0</span>

</td>

<t t-set="taxes" t-value="', '.join([(tax.invoice_label or tax.name) for tax in line.tax_ids])"/>

<td name="td_taxes" t-attf-class="text-end {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }} {{ 'text-nowrap' if len(taxes) &lt; 10 else '' }}">

<span t-out="taxes" id="line_tax_ids">Tax 15%</span>

</td>

<td name="td_subtotal" class="text-end o_price_total">

<span class="text-nowrap" t-field="line.price_subtotal">27.00</span>

</td>

</t>

<t t-elif="line.display_type == 'line_section'">

<td colspan="99">

<span t-field="line.name" t-options="{'widget': 'text'}">A section title</span>

</td>

<t t-set="current_section" t-value="line"/>

<t t-set="current_subtotal" t-value="0"/>

</t>

<t t-elif="line.display_type == 'line_note'">

<td colspan="99">

<span t-field="line.name" t-options="{'widget': 'text'}">A note, whose content usually applies to the section or product above.</span>

</td>

</t>

</tr>

<t t-if="current_section and (line_last or lines[line_index+1].display_type == 'line_section')">

<tr class="is-subtotal text-end">

<td colspan="99">

<strong class="mr16">Subtotal</strong>

<span t-out="current_subtotal" t-options="{&quot;widget&quot;: &quot;monetary&quot;, &quot;display_currency&quot;: o.currency_id}">31.05</span>

</td>

</tr>

</t>

</t>

</tbody>

</table>

<div>

<div id="right-elements" t-attf-class="#{'col-5' if report_type != 'html' else 'col-12 col-md-5'} ms-5 d-inline-block float-end">

<div id="total" class="clearfix row mt-n3">

<div class="ms-auto">

<table class="o_total_table table table-borderless avoid-page-break-inside">

<!-- Tax totals summary (invoice currency) -->

<t t-if="o.tax_totals" t-call="account.document_tax_totals">

<t t-set="tax_totals" t-value="o.tax_totals"/>

<t t-set="currency" t-value="o.currency_id"/>

</t>

<!--Payments-->

<t t-if="print_with_payments">

<t t-if="o.payment_state != 'invoicing_legacy'">

<t t-set="payments_vals" t-value="o.sudo().invoice_payments_widget and o.sudo().invoice_payments_widget['content'] or []"/>

<t t-foreach="payments_vals" t-as="payment_vals">

<tr t-if="payment_vals['is_exchange'] == 0">

<td>

<i class="oe_form_field text-end oe_payment_label">Paid on <t t-out="payment_vals['date']" t-options="{&quot;widget&quot;: &quot;date&quot;}">2021-09-19</t></i>

</td>

<td class="text-end">

<span t-out="payment_vals['amount']" t-options="{&quot;widget&quot;: &quot;monetary&quot;, &quot;display_currency&quot;: o.currency_id}">20.00</span>

</td>

</tr>

</t>

<t t-if="len(payments_vals) &gt; 0">

<tr class="fw-bold">

<td>Amount Due</td>

<td class="text-end">

<span t-field="o.amount_residual">11.05</span>

</td>

</tr>

</t>

</t>

</t>

</table>

</div>

</div>

<div class="mb-2">

<p class="text-end lh-sm" t-if="o.company_id.display_invoice_amount_total_words">

Total amount in words: <br/>

<small class="text-muted lh-sm"><span t-field="o.amount_total_words">Thirty one dollar and Five cents</span></small>

</p>

</div>

<!-- Tax totals summary (company currency) -->

<t t-if="o.tax_totals.get('display_in_company_currency')">

<t t-set="tax_totals" t-value="o.tax_totals"/>

<t t-call="account.document_tax_totals_company_currency_template"/>

</t>

<t t-else="">

<div class="oe_structure"/>

</t>

</div>

<div id="payment_term" class="clearfix">

<div class="justify-text">

<p t-if="not is_html_empty(o.fiscal_position_id.note)" name="note" class="mb-2">

<span t-field="o.fiscal_position_id.note"/>

</p>

</div>

<div class="justify-text">

<p t-if="not is_html_empty(o.taxes_legal_notes)" name="taxes_legal_notes" class="mb-2">

<span t-field="o.taxes_legal_notes"/>

</p>

</div>

<t t-set="payment_term_details" t-value="o.payment_term_details"/>

<div class="mb-3">

<span id="payment_terms_note_id" t-if="o.invoice_payment_term_id.note" t-field="o.invoice_payment_term_id.note" name="payment_term">Payment within 30 calendar day</span><br/>

<t t-if="o.invoice_payment_term_id.display_on_invoice and payment_term_details">

<div t-if="o.show_payment_term_details" id="total_payment_term_details_table" class="row">

<div t-attf-class="#{'col-10' if report_type != 'html' else 'col-sm-10 col-md-9'}">

<t t-if="o._is_eligible_for_early_payment_discount(o.currency_id,o.invoice_date)">

<td>

<span t-options="{&quot;widget&quot;: &quot;monetary&quot;, &quot;display_currency&quot;: o.currency_id}" t-out="o.invoice_payment_term_id._get_amount_due_after_discount(o.amount_total, o.amount_tax)">30.00</span> due if paid before

<span t-out="o.invoice_payment_term_id._get_last_discount_date_formatted(o.invoice_date)">2024-01-01</span>

</td>

</t>

<t t-if="len(payment_term_details) &gt; 1" t-foreach="payment_term_details" t-as="term">

<div>

<span t-out="term_index + 1">1</span> - Installment of

<t t-options="{&quot;widget&quot;: &quot;monetary&quot;, &quot;display_currency&quot;: o.currency_id}" t-out="term.get('amount')" class="text-end">31.05</t>

<span> due on </span>

<t t-out="term.get('date')" class="text-start">2024-01-01</t>

</div>

</t>

</div>

</div>

</t>

</div>

<div class="mb-3" t-if="o.move_type in ('out_invoice', 'in_refund') and o.payment_reference">

<p name="payment_communication">

Payment Communication: <span class="fw-bold" t-field="o.payment_reference">INV/2023/00001</span>

<t t-if="o.partner_bank_id">

<br/> on this account: <span t-field="o.partner_bank_id" class="fw-bold"/>

</t>

</p>

</div>

<t t-set="show_qr" t-value="o.display_qr_code and o.amount_residual &gt; 0"/>

<div t-if="not show_qr" name="qr_code_placeholder" class="oe_structure"/>

<div id="qrcode" class="d-flex mb-3 avoid-page-break-inside" t-else="">

<div class="qrcode me-3" id="qrcode_image">

<t t-set="qr_code_url" t-value="o._generate_qr_code(silent_errors=True)"/>

<p t-if="qr_code_url" class="position-relative mb-0">

<img t-att-src="qr_code_url"/>

<img src="/account/static/src/img/Odoo_logo_O.svg" id="qrcode_odoo_logo" class="top-50 start-50 position-absolute bg-white border border-white border-3 rounded-circle"/>

</p>

</div>

<div class="d-inline text-muted lh-sm fst-italic" id="qrcode_info" t-if="qr_code_url">

<p>Scan this QR Code with<br/>your banking application</p>

</div>

</div>

<!--terms and conditions-->

<div class="text-muted mb-3" t-attf-style="#{'text-align:justify;text-justify:inter-word;' if o.company_id.terms_type != 'html' else ''}" t-if="not is_html_empty(o.narration)" name="comment">

<span t-field="o.narration"/>

</div>

</div>

</div>

</div>

</div>

</t>

</t>