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CSS Triggers... A game of layout, paint, and composite

Updated: at 06:52 PM

Try out this tool for looking up the layout, paint and composite operations that each CSS property triggers

Paul Lewis introduces his tool with a blog post at

I wanted to create a tool that would allow developers to more readily understand the ramifications of changing their styles. I’m pleased with the first release of CSS Triggers, and I hope many folks get good use out of it. I have plans to expand the site a bit more so that the reference has context, not just a load of data, but I’m not sure exactly when that will be.

Putting together the site was fun, and involved a heck of a lot of tool and data wrangling, but in the end I like to think it was worth it. But then I would say that…

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