I tried to setup PrimeFlex (3.0.1) for PrimeFaces (10.0.0). I used css files as provided in dist folder of PrimeFlex repo. Also I followed the instructions give
net.pipe
wix
quartz-2d
log4javascript
wbem
panning
paging
uikeyboard
spanned
outlook-redemption
subclass
facebook-debugger
github-linguist">github-linguist
openebs
ipycanvas
time.h
zq
numpy-ndarray
uicollectionreusableview
ratpack
geojson.net
liveview
ibm-sterling
boost-beast
morphia
omeka
android-tabhost
litespeed
ng-class
llc