HTML:
<footer>
    <div class="navigation2">
    &copy; 2019 - <a href="index.html">X</a>
    </div>
</footer>

CSS:
        .navigation2 {
            padding: 8px;
            background-color:#888;
            width: 50%;
            margin-left: auto;
            margin-right: auto;
            position: fixed;
            bottom: 0px;
        }