The chat column looks weird on FHD (and higher resolutions) as the chat column doesn’t utilize full width of the browser windows, creating two issues:
there’s a huge gap of white space between gravatar and name
there’s a lot of white space to the right of the chat column
Both issues goes away if you resize the window for f.e. half a monitor width.
The issue can also be reproduced on smaller resolutions by resizing the page to something smaller (Ctrl±) -> the timestamp bars have correct width, but the chats have limited width.
This also creates problems with sharing a source code, because it wraps to early.