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
scriptaculous
early-return
concurrent-processing
euler-path
gamepad
go-gorm
append
neutralinojs
infix-operator
lstlisting
contextmenustrip
zope
gogs
depth-first-search
pose-estimation
unicode
babel-plugin-module-resolver
autodesk-model-derivative
python-for-android
magento-1.12
angular-router-events
exec
hortonworks-sandbox
pyasn1
skiasharp
segments
duplicate-data
portability
dbsql
mmg