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

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

<template id="s_quotes_carousel" inherit_id="website.s_quotes_carousel">
    <!-- Carousel -->
    <xpath expr="//div[hasclass('s_quotes_carousel')]" position="attributes">
        <attribute name="class" add="s_carousel_rounded o_cc4" remove="s_carousel_default o_cc2" separator=" "/>
    </xpath>
    <!-- Icons -->
    <xpath expr="//i" position="attributes">
        <attribute name="class" add="bg-o-color-5" remove="bg-o-color-1" separator=" "/>
    </xpath>
    <xpath expr="(//i)[2]" position="attributes">
        <attribute name="class" add="bg-o-color-5" remove="bg-o-color-1" separator=" "/>
    </xpath>
    <xpath expr="(//i)[3]" position="attributes">
        <attribute name="class" add="bg-o-color-5" remove="bg-o-color-1" separator=" "/>
    </xpath>
    <!-- Carousel items - Remove background images -->
    <xpath expr="//div[hasclass('carousel-item')]" position="attributes">
        <attribute name="style"/>
    </xpath>
    <xpath expr="//div[hasclass('carousel-item')][2]" position="attributes">
        <attribute name="style"/>
    </xpath>
    <xpath expr="//div[hasclass('carousel-item')][3]" position="attributes">
        <attribute name="style"/>
    </xpath>
</template>

</odoo>