Would much appreciate if a theme background image could be set to scaling. As of right now you can make it either look good on an HD screen or a 4k screen, but not both.

If you upload a hd image - it repeats or cuts off on 4k screens
If you upload a 4k image - it is heavily zoomed in on an hd monitor.

+1

This should be very easily doable with background-size: cover or contain in CSS, so this feature shouldn’t be hard to add.

Indeed. For reference this is how my game page looks like on 4k - quite jarring.

This is how my gamepage displays on a 2k monitor... I am requesting custom CSS access to fix this for my page.  It would be cool if itch fixed it so that the game pages were more responsive by default.

This is still an issue and it still looks awful.