If you're having trouble with remembering which icons do what or they don't work with your scaling well, you can change the icons into pure texts. To do so show header with text instead of images. Using this option may require much wider window though, so use it mindfully and adjust the styling as needed.
In the same menu you can also limit the Row length and max player name limit here.
the window you wish to change and head to , then choose
toggle background bars, alternate row backgrounds, toggle scrollbar or even make the window transparent.
This is also where you can change the window name that it will appear under in options, as well as change its width ( + for manual input).
tab will let you
tab has all the options similar to other Arc windows, allowing for manual, screen relevant or window-relevant positioning.