If you use Goosemod for discord, then this is just for you.
There's a custom CSS plugin from Goosemod that allows you to edit your client's theme,
and this is just a few premade themes for just that.
https://shattering-glass.itch.io/goosemod-css-themes
Sounds good, but please add a screenshot to your post like the rules say.
No sooner said then done!