• Colorful Tabs For Firefox 57

UserChrome.css is a style sheet with special importance to Firefox. The rules in userChrome.css are applied to the user interface, and can override nearly every built-in style rule. Unfortunately, you cannot use userChrome.css to change the functional operation of Firefox; that's what extensions are for.Creating a userChrome.css file and adding style rules allows you to make changes to fonts and colors, hide unnecessary items, adjust spacing, and make other changes to the appearance of Firefox.

Firefox 57 is definitely faster than its earlier versions. The user interface has also seen a complete overhaul and looks modern now. Color on inactive tabs and tab bar is one of the first things you notice upon upgrading to Firefox 57. By default, Firefox uses Windows 10’s color scheme to color its tabs.

Colorful Tabs For Firefox 57

The following examples illustrate the wide range of effects you can create, either by creating your own style recipes, or building on the work of CSS wizards sharing their talents on the web.