userstyles.org - Timus Red Alert

To use this style, install Stylish with Smartest Bar (or install just Stylish).

(Though installing Stylish is recommended, Greasemonkey users can also install this style as user script.)

To use this style, install Firefox and Stylish.

(Though installing Stylish is recommended, IE7Pro users can also install as a user script.)

To use this style, install Stylish.

(Though installing Stylish is recommended, you can also install as plain CSS or install as user JS.)

To use this style, first install Stylish.

(Though installing Stylish is recommended, TamperMonkey users can also install this style as user script.)