HTML is the language of choice for structuring and presenting content for the World Wide Web. In this free online course you will learn about the latest features of HTML 5 including Geolocation, video, Web worker, canvas/SVG, app cache and database.

Sass is completely compatible with all versions of CSS. We take this compatibility seriously, so that you can seamlessly use any available CSS libraries.

Less is a CSS pre-processor, meaning that it extends the CSS language, adding features that allow variables, mixins, functions and many other techniques that allow you to make CSS that is more maintainable, themable and extendable.