If you're interested in downloading a dark theme for Codeforces, you can easily do so by visiting this GitHub repository: https://github.com/GaurangTandon/codeforces-darktheme. To get started, navigate to the "download instructions" section and click on the first link to install Tampermonkey on your browser. Be sure to avoid downloading the beta version of Tampermonkey, as it may cause issues with the dark theme. Once you have Tampermonkey installed, return to the GitHub repository and click on the second link to install the Codeforces dark theme userscript. Finally, click "install" and voila! Your Codeforces account now has a sleek and stylish dark theme. Thanks to Mr.GaurangTandon for creating it!