This is the standard page template you should start with on a project:
<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet"
href="http://code.jquery.com/mobile/1.0/jquery.mobile-1.0.min.css" /> <-----this will need to be updated to the latest cdn link
<script type="text/javascript"
src="http://code.jquery.com/jquery-1.6.4.min.js"></script> <-----this will need to be updated to the latest cdn link
<script type="text/javascript"
src="http://code.jquery.com/mobile/1.0/jquery.mobile-1.0.min.js"></script> <-----this will need to be updated to the latest cdn link
</head>
<body>
<div data-role="page">
<div data-role="header">
<h1>Page Title</h1>
</div>
<!-- /header -->
<div data-role="content">
<p>Page content goes here.</p>
</div>
<!-- /content -->
<div data-role="footer">
<h4>Page Footer</h4>
</div>
<!-- /footer -->
</div>
<!-- /page -->
</body>
</html>