design-themes/theme_enark/views/snippets/s_banner.xml

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

<template id="s_banner" inherit_id="website.s_banner">
    <!-- Section -->
    <xpath expr="//section" position="attributes">
        <attribute name="class" add="o_full_screen_height parallax s_parallax_is_fixed" separator=" "/>
        <attribute name="data-scroll-background-ratio">1</attribute>
    </xpath>
    <xpath expr="//section/div" position="before">
        <span class="s_parallax_bg oe_img_bg" style="background-image: url('/web/image/website.s_banner_default_image'); background-position: 50% 0;"/>
    </xpath>
    <!-- Remove grid images -->
    <xpath expr="//div[hasclass('o_grid_item_image')]" position="replace"/>
    <xpath expr="//div[hasclass('o_grid_item_image')]" position="replace"/>
    <xpath expr="//div[hasclass('col-lg-5')]" position="replace"/>
    <!-- Row - remove grid mode -->
    <xpath expr="//div[hasclass('row')]" position="attributes">
        <attribute name="class" remove="o_grid_mode" separator=" "/>
        <attribute name="data-row-count"/>
    </xpath>
    <!-- Jumbotron -->
    <xpath expr="//div[hasclass('col-lg-4')]" position="attributes">
        <attribute name="class" add="col-lg-6 o_cc o_cc1 pt32 pb32 shadow rounded" remove="o_grid_item g-height-10 g-col-lg-4 col-lg-4" separator=" "/>
        <attribute name="style"/>
    </xpath>
    <!-- Title -->
    <xpath expr="//h1" position="attributes">
        <attribute name="class" remove="display-1" separator=" "/>
    </xpath>
    <xpath expr="//h1" position="replace" mode="inner">
        A Different Viewpoint.
    </xpath>
    <!-- Paragraph -->
    <xpath expr="//p" position="replace" mode="inner">
        We are a contemporary architecture firm working mainly in the residential, commercial and office sectors. Our projects are built all over the world, in urban and rural environments.
    </xpath>
    <xpath expr="//div[hasclass('col-lg-6')]//p[2]" position="attributes">
        <attribute name="class" add="mb-0" separator=" "/>
    </xpath>
    <!-- Button -->
    <xpath expr="//a[@t-att-href='cta_btn_href']" position="attributes">
        <attribute name="class" remove="btn-lg" separator=" "/>
    </xpath>
    <xpath expr="//a[@t-att-href='cta_btn_href']" position="replace" mode="inner">
        Discover More
    </xpath>
</template>

</odoo>