Finally I will not use the TweetBox, because it generates an JavaScript error in Internet Explorer (caused by Twiiter, not by the plugin).
Thank you anyway!
Hi Austin (the author, what a honor! :))
The blog is still under construction, but you can see an example post here:
http://improvingusability.com/hola-mundo/
What do you mean with these CSS clases? I don’t found it on the source code…
PS: Sorry about my terrible english :S