design-themes/theme_kiddo/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 item n°1 -->
    <xpath expr="//div[hasclass('carousel-item')]" position="attributes">
        <attribute name="class" add="pt128 pb128" remove="pt80 pb80" separator=" "/>
    </xpath>
    <xpath expr="//i" position="attributes">
        <attribute name="class" add="rounded-circle" remove="rounded" separator=" "/>
    </xpath>

    <!-- Carousel item n°2 -->
    <xpath expr="(//div[hasclass('carousel-item')])[2]" position="attributes">
        <attribute name="class" add="pt128 pb128" remove="pt80 pb80" separator=" "/>
    </xpath>
    <xpath expr="(//blockquote)[2]" position="attributes">
        <attribute name="class" add="mx-auto" remove="me-auto" separator=" "/>
    </xpath>
    <xpath expr="(//i)[2]" position="attributes">
        <attribute name="class" add="rounded-circle" remove="rounded" separator=" "/>
    </xpath>

    <!-- Carousel item n°3 -->
    <xpath expr="(//div[hasclass('carousel-item')])[3]" position="attributes">
        <attribute name="class" add="pt128 pb128" remove="pt80 pb80" separator=" "/>
    </xpath>
    <xpath expr="(//blockquote)[3]" position="attributes">
        <attribute name="class" add="mx-auto" remove="ms-auto" separator=" "/>
    </xpath>
    <xpath expr="(//i)[3]" position="attributes">
        <attribute name="class" add="rounded-circle" remove="rounded" separator=" "/>
    </xpath>
</template>

</odoo>