Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <link rel="stylesheet" href="../../code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.css"> <script src="../../code.jquery.com/jquery-1.8.3.min.js"></script> <script src="../../code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.js"></script> <style> .ui-bar-f { color:green; background-color:yellow; } .ui-body-f { font-weight:bold; color:purple; } </style> </head> <body> <div data-role="page"> <div data-role="header" data-theme="f"> <h1>Header with "f" theme</h1> </div> <div data-role="content" data-theme="f"> <p>Content with the new "f" theme!</p> </div> </div> </body> </html>
Result:
W3Schools.com - Try it yourself