Userstyle categories

There are 12 userstyles in total. Add yours?

GitHub

3 userstyles

 GitLab

1 userstyle

 Instagram

2 userstyles

 Spotify

1 userstyle

 Stack Overflow

1 userstyle

 Stylus

1 userstyle

 Telegram

1 userstyle

 WhatsApp

1 userstyle

 YouTube

1 userstyle