design-themes/theme_bookstore/views/snippets/s_image_text.xml

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

<template id="s_image_text" inherit_id="website.s_image_text">
    <!-- Section -->
    <xpath expr="//section" position="attributes">
        <attribute name="class" add="o_cc o_cc2 pt112 pb112" remove="pt80 pb80" separator=" "/>
    </xpath>
    <!-- Title -->
    <xpath expr="//h2" position="replace" mode="inner">
        Once upon a time...
    </xpath>
    <!-- Paragraphs -->
    <xpath expr="//p" position="replace" mode="inner">
        <br/>
        Discover the history of Belgium in this well-documented book with many illustrations and testimonials.
    </xpath>
    <xpath expr="//p[2]" position="replace" mode="inner">
        Learn about the difficulties encountered by NASA engineers in sending the first men to Mars.
    </xpath>
</template>

</odoo>