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About this Add-on
You can see exactly which CSS rules match for an element. The rules are displayed including file name and line number. The topmost element is that with the highest priority.
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I'm happy that I can tell you that the long awaited new version of my extension is now available. This version works with Firefox 1.5.0.*!
Those who use one of the (unofficial) patches should also upgrade to the latest official version.
Hope you all will like the new version.