footer.php

<footer class="fixed-bottom d-flex flex-wrap justify-content-between align-items-center py-3 my-4 border-top">
    <div class="col-md-4 d-flex align-items-center">
        <a href="/" class="mb-3 me-2 mb-md-0 text-muted text-decoration-none lh-1">
            <svg class="bi" width="30" height="24">
                <use xlink:href="#bootstrap"></use>
            </svg>
        </a>
        <span class="text-muted">© 2022 Adrià Cara Roca</span>
    </div>

    <ul class="nav col-md-4 justify-content-end list-unstyled d-flex">
        <li class="ms-3"><a class="text-muted" href="#"><svg class="bi" width="24" height="24">
                    <use xlink:href="#twitter"></use>
                </svg></a></li>
        <li class="ms-3"><a class="text-muted" href="#"><svg class="bi" width="24" height="24">
                    <use xlink:href="#instagram"></use>
                </svg></a></li>
        <li class="ms-3"><a class="text-muted" href="#"><svg class="bi" width="24" height="24">
                    <use xlink:href="#facebook"></use>
                </svg></a></li>
    </ul>
</footer>

<!-- Optional JavaScript; choose one of the two! -->

<!-- Option 1: Bootstrap Bundle with Popper -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"
    integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous">
</script>

<!-- Option 2: Separate Popper and Bootstrap JS -->
<!--
    <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.10.2/dist/umd/popper.min.js" integrity="sha384-7+zCNj/IqJ95wo16oMtfsKbZ9ccEh31eOz1HGyDuCQ6wgnyJNSYdrPa03rtR1zdB" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.min.js" integrity="sha384-QJHtvGhmr9XOIpI6YVutG+2QOK9T+ZnN4kzFN1RtK3zEFEIsxhlmWl5/YESvpZ13" crossorigin="anonymous"></script>
    -->
</body>

</html>