CSS Pranks is a Chrome extension developed by aivarsliepa1992 that allows users to inject random CSS into web pages, resulting in slight design disruptions. This free add-on falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

With CSS Pranks, users can inject one random extra CSS file into a web page, causing subtle changes to the page's design. These changes can include rotating logos, changing fonts, and other creative disruptions. The extension provides a fun and playful way to experiment with web page designs and add an element of surprise.

Overall, CSS Pranks is a quirky and entertaining Chrome extension that allows users to inject random CSS into web pages, bringing a touch of mischief to their browsing experience.