Hi @joinlook ,
I can get it working by putting the <script> and <style> tags in Native Libraries. Anything you put in there will go into the <head> of your app, so it loads before everything else.
This is a nice library!
Here’s a clone link for that version:
https://anvil.works/build#clone:PN36FXDXJF4YXIUO=Q4SFH4UYMYMGX3GWDSLL4FSH