design-themes/theme_common/views/s_banner_parallax.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <template name="Parallax Banner" id="s_banner_parallax">
        <section class="s_banner_parallax bg-img-04 parallax" data-scroll-background-ratio="1.6">
            <div class="container-fluid">
                <div class="row">
                    <div class="col-lg-9 col-md-12 hero-bg">
                        <h1>Present your products</h1>
                        <h2>with this theme.</h2>
                        <img src="/web/image/theme_common.image_content_01" alt="#" class="img img-fluid"/>
                    </div>
                </div>
            </div>
        </section>
    </template>
</odoo>