CSS Browser Modification is a free Chrome extension developed by sell. This add-on falls under the category of Browsers and specifically belongs to the Add-ons & Tools subcategory. With CSS Browser Modification, users can easily customize the appearance of their browser by modifying various elements such as background color, background image, font color, and even use custom Google fonts.

This extension offers a range of features that allow users to personalize their browsing experience. Users can modify the background color of all websites they visit, giving them the ability to create a unique and visually appealing environment. Additionally, users can choose to set a custom background image, adding a personal touch to their browser. Furthermore, the extension allows users to modify the font color, making it easier to read content on different websites. Lastly, users can select from a variety of Google fonts to enhance the typography on web pages.