This is great news for all black theme lovers, you might have discovered that during the night, you will need to switch on your light in order use your pc or phone because the white light adds strain to your eyes, this is when its useful change your theme or background or whatever you call it.

Procedure 

1) click on the circle top-right of your screen and choose either day or night

results

please start using the black theme and together let's enjoy connectyu