Hi i found a solution. no obfuscation or prefixing at all. At the begin of your css file put this line.
@external * PS: it working with gwt 2.4-rc1 (it should work for the olders versions) -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/EFUStVrFUYEJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
