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deCSS3 is a bookmarklet that will let you see how well your pages are gracefully degrading without having to open up IE6-8.

Try it out!

Feature Roadmap Matrix in the Cloud

Our cloud-based feature matrix serves as a roadmap for what is hopefully full support for all CSS3 properties.

Feature Currently Supported?
animation Yes
background-clip Yes
background-origin Yes
background-size Yes
border-radius Yes
border-image Yes
box-shadow Yes
colors: rgba, hsla Yes
column-count Yes
linear-gradient Mostly
@media queries Yes
multiple backgrounds No
text-shadow Yes
transform Yes
transition Yes

Want to help?

If you're interested in helping? Please let us know! We're looking for a brain trust.



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