I don't know if this has been fixed or brought up, but when you wrap Youtube videos around the center tags, it doesn't center them. I like to center my posts in my journal and I'm unable to do so with videos. I'll post an example below:
No tags:
With tags:
Currently on my phone and so hard to check (even when watching desktop version) as the videos seem to fit the entire width of the post here, but I'll check this out tomorrow.
Maybe there's a good alternative way to embed or center things.