odoo_theme/theme_nano/views/snippets/s_carousel.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <template id="s_carousel" inherit_id="website.s_carousel">
        <!-- Carousel -->
        <xpath expr="//div[hasclass('s_carousel')]" position="attributes">
            <attribute name="class" add="s_carousel_bordered carousel-fade" remove="s_carousel_default" separator=" "/>
        </xpath>
        <!-- Slide #01 -->
        <xpath expr="//div[hasclass('carousel-item')][1]" position="attributes">
             <attribute name="class" remove="pt152 pb152" separator=" "/>
            <attribute name="style" add="background-position: 50% 50%;" separator=" "/>
        </xpath>
        <xpath expr="//div[hasclass('carousel-item')][1]//div[hasclass('carousel-content')]" position="attributes">
            <attribute name="class" add="col-lg-8 offset-lg-2 bg-white-50 pt200 pb192 text-center" remove="col-lg-6" separator=" "/>
        </xpath>
        <xpath expr="//div[hasclass('carousel-item')][1]//h2" position="replace">
            <h2><font style="font-size: 48px;">Creative Studio</font></h2>
        </xpath>
        <xpath expr="//div[hasclass('carousel-item')][1]//p" position="replace">
            <p class="lead">We combine smart design with rich technology <br/>to craft innovative products.</p>
        </xpath>
        <!-- Slide #02 -->
        <xpath expr="//div[hasclass('carousel-item')][2]//div[hasclass('carousel-content')]" position="attributes">
            <attribute name="class" add="bg-white-50" remove="bg-black-50" separator=" "/>
        </xpath>
        <xpath expr="//div[hasclass('carousel-item')][2]//div[hasclass('s_hr')]" position="replace"/>
        <!-- Slide #03 -->
        <xpath expr="//div[hasclass('carousel-item')][3]" position="replace"/>
        <xpath expr="//*[@data-slide-to='2']" position="replace"/>
    </template>
</odoo>