This is the kind of change that can really make a difference in the number and quality of available themes. While the current system requires C programming to create an new engine and unleash the full power of GTK+ theming, a system based on CSS would only require knowledge that most designers today already have. Most people are working on web app, so let those people hack on desktop apps with more or less the knowledge set they already have is a great way to keep the desktop alive.
Hey, isn’t it why Firefox extensions and themes are so popular?
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