Stylus

[salarmehr]

Thanks a lot for creating and sharing bi-app.
Using function in stylus is far more easier and make style conciser and cleaner. I hope you port this to stylus some day.

http://learnboost.github.io/stylus/docs/functions.html

[anasnakawa]

so far I have not worked with stylus,
I am gonna keep this issue opened, maybe someone in the future will fork bi-app and provide a stylus version