Firefox 3.5 has partially broken compatibility with the Esker plugin. Calling methods in the eWebEditPro ActiveX control has no effect even though the editor displays and is interactive.

There are a lot of great CSS resources available on the web. Unfortunately, there are also a lot of awful resources available on the web as well. Over the course of training and designing sites for Ektron, I've come across several great resources for learning CSS or just improving your skills. Here's a list of what of compiled, feel free to add your own links in the comments.