Hm... it's up for me? If you just tried cloning, I linked directly to the web view of the VC branch, since that's what they asked for. This is the clone link https://git.robbyzambito.me/mirror/re3.git
Hmm, just checked and it seems that it doesn't work when I'm connecting through some Mullvad VPN exits, but works when I disconnect. Oh well. I assume you have something like fail2ban.
I have not cleaned it up for release or anything, so it's a bit messy, but feel free to use it under the licence terms of cgit (GPLv2.0-only) and if you don't mind, put an attribution somewhere, like at least at the top of the CSS file.
EDIT: You will also need this in your <head>, otherwise you won't have a mobile-friendly layout: