If you are an intermediate Tiddlywiki user, then this is a good article to read.
It’s interesting but all those new CSS features are not well implemented in all browsers yet. Especially mobile browsers seem to lack support.
So if you want to have decent coverage IMO CSS stuff implemented in 2020 would be a better read, because it may be possible to use it.
Right.
I do understand @Mohammad wants more. soon … but all good things only come to those that wait 
TT, x
Wow, I didn’t knew about Style queries, this is awesome ! Hopefully we will be able to use it next year !