Parses your CSS files for z-index declarations and builds an ordered list of them. Useful for debugging/editing stacking orders.
$ pip install zlist
$ zlist file.css [file2.css] [file3.css] [...]
test.css: 3 z-index declaration(s) found
index | selector ------------------------------ 10 .header 30 .footer .footer2 .footer3 50 .main