this topic has been discussed several times, the solution is to edit chrome/userContent.css and add default colours there. but unfortunately I know nothing about css files, what possibilities do I ...
There are a lot of webdeveloper addons available, for firefox, like firebug. But is there a html editor addon for firefox. Which i can edit my website. viewing the edits real-time (using localhost ...
How to permanently add CSS to some pages using Firefox? Say, I want to change the font or background of a page I frequent using Firefox. How to do that?