I think your extensions are messing with you that’s not at all what it looks like for me. I cannot over-write any CSS since its an independent component, and it has now been turned off so everything is back to how it was this morning.
Oh weird, it looks like I’m stuck in mobile mode… Hang on…
EDIT: LOL yeah somehow when I tried mobile mode that was linked before it got “remembered”… I had to add /?mobile_view=0 and now it’s back to normal. So I guess what I thought was abnormal before was because of this. Same reason @Evan_Purdy started seeing scrollbars too!
I did just test I can expand the post itself to right around 90% of this middle section without much effect. I can try that without changing anything else.