odoo_theme/theme_treehouse/views/snippets/s_call_to_action.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <template id="s_call_to_action" inherit_id="website.s_call_to_action">
        <!-- Section -->
        <xpath expr="//section" position="attributes">
            <attribute name="class" add="pt64 pb48" remove="pt48 pb24 bg-200" separator=" "/>
        </xpath>
        <!-- Column #01 -->
        <xpath expr="//div[hasclass('row')]/div[1]" position="attributes">
            <attribute name="class" add="col-lg-12 text-center" remove="col-lg-9" separator=" "/>
        </xpath>
        <xpath expr="//div[hasclass('row')]/div[1]//h3" position="replace">
            <h3><b>Help us protect and preserve</b> for future generations</h3>
        </xpath>
        <xpath expr="//div[hasclass('row')]/div[1]//p" position="replace">
            <p>Join us and make the planet a better place.</p>
        </xpath>
        <!-- Column #02 -->
       <xpath expr="//div[hasclass('row')]/div[2]" position="attributes">
            <attribute name="class" add="col-lg-12" remove="col-lg-3" separator=" "/>
        </xpath>
        <xpath expr="//div[hasclass('row')]/div[2]//p" position="attributes">
            <attribute name="style">text-align: center;</attribute>
        </xpath>
    </template>
</odoo>