I'm having the exact same issue. :/
I'm having the exact same issue also. :/
Possibly - I have not tested, but I doubt that it will be compatible with phpBB 3.3
Its working with 3.3.0 but Im not able to click to accept cookies policies. Just this issue.
Then it isn't working in 3.3 as this is a 3.3 issue
Not by me - it is abandoned.
Play with the css