@Inquisitive Raven suggested to add dark mode feature into the forum. So here it is, now you can switch from light mode to dark mode and vice versa!
You can switch by:

I know, the screenshots show double light bulbs but I've fixed it to just show one light bulb. I'm too lazy to take another screenshots XD.
Special thanks to @fuzzykat for making it possible.
Enjoy!
You can switch by:
- On desktop, clicking the light bulb icon next to the search bar and your username in the top right corner of the screen (in the header).
- On mobile, clicking the light bulb icon next to the magnifying glass and three dots (in the header too).

I know, the screenshots show double light bulbs but I've fixed it to just show one light bulb. I'm too lazy to take another screenshots XD.
Special thanks to @fuzzykat for making it possible.
Enjoy!