Edit in JSFiddle

<div data-role="page">
    <div data-role="header">
        <h3>Header content</h3>
    </div>
    <div data-role="content">
        <p>
            The content goes here.
        </p>
    </div>
    <div data-role="footer">
        <h3>Footer content</h3>
    </div>
</div>