Support dark mode

Here is a screenshot which tells everything:

When I choose anything to edit, I is all there, but invisible on the list

Running on Ubuntu Budgie 20.04

If more logs/information needed, please ask and I will deliver readily.

Best regards and thanks for such helpful software

Edited Apr 10, 2021 by Raffaele

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information