I view Stack Exchange in a browser window that is about 1000px wide. Because most of the site content is fixed to display with a page width of around 1000px, it all works.
Recently I've noticed that all is not well in chat when I do this, though. Many chat rooms including sites that don't have a layout (largely beta sites) and some designed sites, the "search" bar is misplaced:
Other sites, with smaller buttons, are fine:
Both of these images are over 1100px wide, not even just 1000.
Yes, I can make my window slightly bigger to make the alignment fit but this hasn't always been an issue and not all users can make their pages wider. Heck, some users complain that the site is too wide with a fixed width of 1000 px.
Please make it so that the chat pages render properly when the window is only 1000 px across.