GitHub PR Close Button is a free Chrome add-on developed by infoceanic. This add-on enhances the functionality of GitHub by adding style to the close PR button. With this add-on, users can easily identify and click on the close button, making it more accessible and visually appealing.

The GitHub PR Close Button add-on is designed to improve the user experience on GitHub, specifically when dealing with pull requests. By adding style to the close button, it makes it easier for users to locate and interact with the button, reducing the chances of accidental clicks or confusion.

Overall, GitHub PR Close Button is a simple yet effective add-on for Chrome users who frequently work with GitHub pull requests. It adds a touch of style to the close button, enhancing the visual appeal and usability of the platform.