design-themes/theme_artists/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_cc5" remove="o_cc3" separator=" "/>
        <attribute name="data-oe-shape-data">{"shape":"web_editor/Wavy/02_001","flip":["y"]}</attribute>
    </xpath>
    <!-- Shape & filter -->
    <xpath expr="//div[hasclass('container')]" position="before">
        <div class="o_we_bg_filter" style="background-color: rgba(17, 13, 22, 0.85) !important;"/>
        <div class="o_we_shape o_web_editor_Wavy_02_001" style="background-image: url('/web_editor/shape/web_editor/Wavy/02_001.svg?c3=o-color-5&amp;flip=y'); background-position: 50% 100%;"/>
    </xpath>
    <!-- Jumbotron -->
    <xpath expr="//div[hasclass('jumbotron')]" position="attributes">
        <attribute name="class" remove="o_cc o_cc1" separator=" "/>
    </xpath>
    <!-- Title -->
    <xpath expr="//h1" position="replace" mode="inner">
        Emotions through the colors
    </xpath>
    <xpath expr="//h1" position="after">
        <p><br/></p>
    </xpath>
</template>

</odoo>