There are vestiges of user.css like the Style sheet option in Safari. [1] I do wish they were better supported, and that user styles automatically had priority

There are vestiges of user.css like the Style sheet option in Safari. [1] I do wish they were better supported, and that user styles automatically had priority over webpage styles. [1]: https://support.apple.com/guide/safari/advanced-ibrw1075/mac https://support.apple.com/guide/safari/advanced-ibrw1075/mac