roundmoled.theme.css

Rounded corners? YES! TRUE black mode? YES!

Installing for BetterDiscord

• Download roundmoled.theme.css (inside the BetterDiscord folder)
• Paste it into your themes folder (usually found at AppData\Roaming\BetterDiscord\themes or at ~/.config/BetterDiscord/themes/ if you're on Linux)

Installing for Powercord

cd powercord/src/Powercord/themes && git clone https://github.com/Rayrsn/RoundNotmoled 

Theme is easy to edit from the main.css file, everything is very self-explanatory