The Stylizer looks really powerful for CSS editing and customization. I really liked it’s video page which provided a great overview (and learning environment) for Stylizer multiple features (it is a great way to quickly and effective present a product)
I decided to give it a try, but unfortunately it doesn’t like TeamMentor (which has a lot of Javascript and CSS)
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I think part of the problem is that Stylizer is doing quite a log of css parsing, which is not a bad thing, but makes it much more temperamental.
For example here are the errors from a Bootstrap page (local page and from official website):
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