The layout should center when the width of the screen is 2300px or wider.
Soon to be 4 years it seems with several threads I found asking for some way to make the results wider. I just switched to the Brave search option and my gosh it is narrower than Google, which wasn’t really annoying, but switching to Brave search results with the smaller font AND narrower results really is not fitting for so many people with large displays.
4K (3840 px. wide) 48 inch display.
Here was a post years ago I just found….
I have the Stylus plugin installed to fix a YouTube scrollbar issue at full screen but I just followed a tutorial online. I probably should see if there is a discussion group for the Stylus plugin and see if they can tell were to modify/add that code above for the search page.