JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
<body>
    <nav class="navbar navbar-default navbar-bottom" role="navigation">
        <div class="container">
            <h1>Footer</h1>
        </div>
    </nav>
</body>

CSS

.navbar-bottom {
    background-color: #222;
    border-top: 2px solid #000;
    height: 50px;
    color: #777;
    text-align: center;
}