GitHub Responsive Width Layout is a Chrome extension developed by Piotr Berebecki. As the name suggests, this extension modifies the CSS rules related to width on GitHub.com to ensure that the website fits a narrow browser window.

With GitHub Responsive Width Layout, users no longer have to worry about horizontal scrolling when using GitHub on a smaller screen. The extension seamlessly adjusts the layout to fit the available screen space, making it easier to navigate and read content on GitHub.com.

The extension is available for free and can be found on the Chrome Web Store. For those interested in exploring the source code, it is also available on GitHub. Piotr Berebecki encourages users to provide feedback and suggestions for improvement through GitHub issues.

Overall, GitHub Responsive Width Layout is a handy tool for anyone who frequently uses GitHub on a narrow browser screen. It effectively solves the problem of limited horizontal space and enhances the user experience.