footer.html

<footer class="bottom text-light" style="
        position: fixed;
        bottom: 0;
        width: 100%;
        color: var(--bg-title-color);
        background-color: var(--title-bg-color);
        height: var(--footer-height);
        min-height: max-content;
        align-items: center;
        display: flex;
    ">
    <div class="d-flex justify-content-evenly" style="width: 100%; align-items: center;">
        <div class="col-md-2 col-sm-3 d-flex justify-content-center" xo-source="#iconos" xo-stylesheet="iconos.xslt">
        </div>
        <div class="col-md-6 d-none d-sm-flex col-sm-6 justify-content-center align-items-center" xo-stylesheet="footer-logos.xslt" xo-source="#desarrollos">
        </div>
        <div class="col-md-3 d-none d-lg-inline d-flex justify-content-center row">
            <p class="col-md-12">
                Copyright © <label xo-source="CurrentYear">2023</label>
            </p>
            <p class="col-md-12">Todos los derechos reservados</p>
        </div>
    </div>

    <!-- Back To Top Button -->
    <button onclick="topFunction()" id="scrollUp">
        <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-chevron-double-up" viewBox="0 0 16 16">
            <path fill-rule="evenodd" d="M7.646 2.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1-.708.708L8 3.707 2.354 9.354a.5.5 0 1 1-.708-.708l6-6z" />
            <path fill-rule="evenodd" d="M7.646 6.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1-.708.708L8 7.707l-5.646 5.647a.5.5 0 0 1-.708-.708l6-6z" />
        </svg>
    </button>
    <div id="scrollDown">
        <svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" fill="currentColor" class="bi bi-chevron-double-down" viewBox="0 0 16 16">
            <path fill-rule="evenodd" d="M1.646 6.646a.5.5 0 0 1 .708 0L8 12.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z"></path>
            <path fill-rule="evenodd" d="M1.646 2.646a.5.5 0 0 1 .708 0L8 8.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z"></path>
        </svg>
        <label>scroll</label>
    </div>
</footer>