odoo_theme/theme_enark/views/snippets/s_text_image.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <template id="s_text_image" inherit_id="website.s_text_image">
        <!-- Title & Paragraph -->
        <xpath expr="//div[hasclass('col-lg-6')]" position="replace">
            <div class="col-lg-6 p-5 border rounded" style="border-width: 1px !important; border-color: rgb(70, 77, 83) !important; border-radius: 4px !important;">
                <h2>Building Castle in Cloud</h2>
                <p><br/></p>
                <p>When designing an architectural concept, we take into account the nine criteria that Zumthor considers to be important in creating an architectural atmosphere.</p>
            </div>
        </xpath>
        <!-- Col 2 -->
        <xpath expr="(//div[hasclass('col-lg-6')])[2]" position="attributes">
            <attribute name="class" add="col-lg-5 offset-lg-1" remove="col-lg-6" separator=" "/>
        </xpath>
    </template>
</odoo>