This section covers examples for various concepts in Active CSS. They are not complete solutions, but will give you examples of code and are useful starting blocks.
This website acts as a sort of example too, being written purely in HTML, CSS and Active CSS.
For a full tutorial, start from the main Selectors section and work forward. By doing this you will understand all the syntax you need to be able to write with Active CSS.
You can get pretty complex with Active CSS, like you can with CSS, but it will give you cleaner-looking, easily-maintainable events and DOM actions in comparison to doing the same thing natively or in a similar function-based framework.