odoo_theme/theme_treehouse/views/snippets/s_three_columns.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <template id="s_three_columns" inherit_id="website.s_three_columns">
        <!-- Section -->
        <xpath expr="//section" position="attributes">
            <attribute name="class" add="pt80 pb80" remove="pt32 pb32" separator=" "/>
        </xpath>
        <!-- Column #01 -->
        <xpath expr="//div[hasclass('row')]/div[1]//*[hasclass('card-title')]" position="replace">
            <h4 class="card-title">Recycling water</h4>
        </xpath>
        <xpath expr="//div[hasclass('row')]/div[1]//*[hasclass('card-text')]" position="replace">
            <p class="card-text">Recycling water for reuse applications instead of using freshwater supplies can be a water-saving measure.</p>
        </xpath>
        <!-- Column #02 -->
        <xpath expr="//div[hasclass('row')]/div[2]//*[hasclass('card-title')]" position="replace">
            <h4 class="card-title">Habitat Model</h4>
        </xpath>
        <xpath expr="//div[hasclass('row')]/div[2]//*[hasclass('card-text')]" position="replace">
            <p class="card-text">Habitats with a minimum footprint on the planet and a maximum positive impact on the local community.</p>
        </xpath>
        <!-- Column #03 -->
        <xpath expr="//div[hasclass('row')]/div[3]//*[hasclass('card-title')]" position="replace">
            <h4 class="card-title">Organic Garden</h4>
        </xpath>
        <xpath expr="//div[hasclass('row')]/div[3]//*[hasclass('card-text')]" position="replace">
            <p class="card-text">Learn how to use organic gardening methods to grow the freshest food in your fruit and vegetable garden.</p>
        </xpath>
    </template>
</odoo>