For browser Chrome/Firefox - but on Windows. Given Safari in your list I think you're relying on the system (macOS in your case) to provide a dark style system

For browser Chrome/Firefox - but on Windows. Given Safari in your list I think you're relying on the system (macOS in your case) to provide a dark style system dropdown so you can customize the font to be white but Windows/some other OS's provide a white themed system dropdown which will result in a customized font color only giving an all white dropdown, until an entry is highlighted in which case the background for that row turns to the selected color (blue in the case of Windows). https://i.imgur.com/FWcCsNe.png https://i.imgur.com/FWcCsNe.png