First the HTML5... <!DOCTYPE HTML> <html lang="en"> <head> <meta charset="utf-8" /> <title></title> <link rel="stylesheet" href="style.css" /> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> </head> <body> <section> <header> </header> <nav> </nav> <article> </article> <aside> </aside> </section> <footer> </footer> </body> </html> ...now the CSS section, header, nav, footer, article, aside { display: block; } section { } header { } nav { } article { } aside { } footer { }