JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head><title></title></head>
    <body>
        <div class="wrapper">
            <div class="footer">
                &copy; your site
            </div>
        </div>
    </body>
</html>

CSS

.wrapper {
    position: absolute;
    bottom:0;
    width: 100%;
    background-color: red;
}
.footer {
    width: 50%;
    margin: 0 auto;
    background-color: green;
}