Odoo-Build/snippets/web.external_layout_standard.replace_footer.xml

<?xml version="1.0"?>
<data inherit_id="web.external_layout_standard" priority="50">

  <xpath expr="/t/div[3]" position="replace">
    <div t-attf-class="footer o_standard_footer o_company_#{company.id}_layout">
     <div align="right" style="color:black; font-size:9pt">
         Seite: <span class="page"/> / <span class="topage"/>
     </div>
     </div>
  </xpath>

</data>