update CSS preprocessor instructions#1543

Merged

gaearon merged 3 commits intofacebook:masterfrom

aleburato:master

Feb 13, 2017

Commits on Feb 12, 2017

update CSS preprocessor instructions
Alessandro Burato
committed
fix the order of SASS build step
Alessandro Burato
committed

Commits on Feb 13, 2017

Add tweaks from PR discussion
gaearon
authored