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
mrz
repeater
uipath
javascript-intellisense
form-post
flutter-inappwebview
patch
nose-parameterized
anchor-cms
imagej
fancybox-2
eloquent
flipper
smarthomeskill
line-by-line
non-recursive
java-console
call-graph
pygments
svn-switch
insertion-order
lossless
omegaconf
exuberant-ctags
v-autocomplete
ios-frameworks
murmurhash
sql-server-collation
requestfiltering
onactivityresult