design-themes/theme_artists/views/snippets/s_features.xml

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

<template id="s_features" inherit_id="website.s_features">
    <!-- Section -->
    <xpath expr="//section" position="attributes">
        <attribute name="class" add="o_cc o_cc4" separator=" "/>
        <attribute name="data-oe-shape-data">{"shape":"web_editor/Airy/14","flip":[]}</attribute>
    </xpath>
    <!-- Shape -->
    <xpath expr="//div[hasclass('container')]" position="before">
        <div class="o_we_shape o_web_editor_Airy_14"/>
    </xpath>
    <!-- Feature #01 - Icon -->
    <xpath expr="//i" position="attributes">
        <attribute name="class" add="bg-o-color-5" remove="bg-o-color-1" separator=" "/>
    </xpath>
    <!-- Feature #03 - Icon -->
    <xpath expr="(//i)[3]" position="attributes">
        <attribute name="class" add="bg-o-color-5" remove="bg-o-color-2" separator=" "/>
    </xpath>
</template>

</odoo>