As opposed to other styling plugins, this one does not apply rules that aren't marked with !important correctly, making it harder to create styles or breaking existing ones.

not very intuitive :/

It have garbled when export from Chrome and import into Firefox.
btw, i am using chinese language.

v3 は v2 とは似ても似つかない、偽物という言葉がピッタリくる。v2 からの移行ができないだけでなく、多くの劣化点があり、使い物にならない。

・極端に重くなる（v2 では問題なかった）。
・スタイルが反映されないことが多い。
・エディタは指摘するのが大変なくらいバグだらけで、まったくの役立たず。

"An error has occurred using the Stylish database. Would you like to visit a web page with possible solutions?"
What is going on here?!!? Add on can't be opened anymore :(

nice

When it comes to customisation, this definitely ups the ante!

Error!

Ability to express my inner nature of artwork to the world.

useless with Quantum