Get your old GitHub back. Remove the new dark topbar, hide those garish blue links and restore all the original colors!

alt screenshot

Click on the following link and install the extension.

https://chrome.google.com/webstore/detail/makegithubgreatagain/gpejlkhibgecggplgogpbgbdpnhogmhk

https://addons.mozilla.org/firefox/addon/githubgreatagain/

1. Download this repository.
2. Open up chrome://extensions/ in your browser and click "Developer mode" in the top right.
3. Click on the new button Load unpacked extension... and select the downloaded folder.

Congratulations! You just made GitHub Great again!