I wrote a css expander that has a little bit of SASS features.
Previously it was hidden in my html.d on my misc. github, but I just now made it a standalone program in a separate repo:
https://github.com/adamdruppe/cssexpand Check out the demo input file https://github.com/adamdruppe/cssexpand/blob/master/demo/test.css and demo result file https://github.com/adamdruppe/cssexpand/blob/master/demo_result.css to get an idea of what it does.
