Not even 24 hours further and 8 submitted styles are already validated (prosilver is by default anyway).
Anyway, the answer to the topic_title question is: partially!
The 3.2.9 version will probably be more suited but it will still be only: partially.
Generally the style you use should be specifically tailored for the phpBB version you use.
Brexit and Trump are old news and currently I have no inspiration for a new signature.
Ow, wait: 3.3 has been released.