Stylesheets

Your page should include the stylesheets, so the styling is consistent with the rest of the project. There is only one stylesheet at /stylesheets/styles.css.

JavaScript

Since Github Pages does not allow PHP, the header is injected with JavaScipt. If you add a new tutorial, be sure to update the header.js file. It does have a jQuery dependency, so you should include jQuery as well.
/javascript/header.js
http://code.jquery.com/jquery-1.11.2.js

Formatting

Your page content should be wrapped in a section block, which is wrapped in a div with a wrapper class. Headers are h3 tags. In-line code is just code. For larger code blocks, use Gist embedding. View page source for more information.