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
dropzone.js
htmlpurifier
flask-jwt-extended
mockito-inline
selectpdf
cydia
harbor
microsoft-graph-toolkit
jreddit
liferay-7.3
finalize
word-processor
iis-7.5
usb-hostcontroller
phinx
friendly-url
sjcl
angular-testing-library
wp-cli
gprs
ora-06512
inbound
pg-ctl
executable-path
autoplay-media-studio
dxf
prepare
executable-format
office365
tkinter.optionmenu