Odoo 14.0 - Inherit "website.layout" of my SECOND website

I'm trying to edit the layout only of my second website and not the first too in order to add some content at the end , after the footer but i don't know how to do ? Can someone help me about that ?

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <data>

        <!-- Motifs de répétition -->
        <template id="motifs_rep" inherit_id="website.layout" name="Motifs Rep Footer">
            <!-- Add an element after the bottom copyright footer  -->
            <xpath expr="//div[@id='wrapwrap']/footer/div[@class='o_footer_copyright']" position="after">
                #some content
            </xpath>
        </template>

    </data>
</odoo>

Thanks by advance...