PUBLIC MARKS from decembre with tags stylesheet & userstyle

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. 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.

Browserhacks is an extensive list of browser specific CSS and JavaScript hacks from all over the interwebs. How to?: Pick the hack you want Copy it into your stylesheet Add the style you want between the braces Enjoy the new styles for the browser you targete