Optimize CSS Assets safe = true (#1901)
Optimize CSS Assets safe = true (#1901)

Related: https://github.com/roots/sage/pull/1610#issuecomment-182969178
oh word!
ptrckvzn/sage,teaguecnelson/tn-tellis-bds,c50/c50_roots,roots/sage,PCHC/pharmacyresidency2017,roots/sage,PCHC/pharmacyresidency2017,gkmurray/sage,ChrisLTD/sage,ChrisLTD/sage,ptrckvzn/sage,generoi/sage,kalenjohnson/sage,ChrisLTD/sage,generoi/sage,mckelvey/sage,NicBeltramelli/sage,gkmurray/sage,ptrckvzn/sage,ChrisLTD/sage,levito/kleineweile-wp-theme,c50/c50_roots,levito/kleineweile-wp-theme,c50/c50_roots,gkmurray/sage,NicBeltramelli/sage,PCHC/pharmacyresidency2017,levito/kleineweile-wp-theme,kalenjohnson/sage,kalenjohnson/sage,gkmurray/sage,NicBeltramelli/sage,teaguecnelson/tn-tellis-bds,mckelvey/sage,generoi/sage,mckelvey/sage,teaguecnelson/tn-tellis-bds