The very excellent Firefox and Thunderbird add-ons by Aris-t2 at https://github.com/Aris-t2; and Other useful CSS contributions for Firefox and Thunderbird. If you ...

Be aware that this theme might do things that are not supported by upstream Firefox. If you face an issue while using this theme, report it here first or test if it is reproducible in vanilla Firefox.

Edits to your Firefox profile's userChrome.css file can make all sorts of fun and useful changes to the fox's chrome, menus, dialogs and toolbars. For instance, I've disabled the Forward, Back and ...

For some time I’ve taken advantage of the Style Sheet pop-up menu in the Advanced tab of Safari’s preferences to load a customized cascading style sheet (.css) for, well, doing stuff that Safari doesn ...

CSS is a powerful tool that allows you to customize your website's appearance. Firefox has built-in CSS support, so you can use it without any other software. While CSS is supported by all major ...

Mozilla has pushed out the first major update for Firefox 5, opening the new beta channel for early adopters. Firefox 5 beta 1 is the first release in the beta channel, which is part of Mozilla's move ...

Why settle for the standard home icon on your browser? If your home button brings you to hackaday.com, why not make the icon reflect that destination? This hack is quick and simple. We’ll take you ...

Why it matters: There are software flaws that tend to persist even in the most active projects. An open-source browser like Firefox, however, strives to be a true record-setter with decades-old bugs ...