Where the tests from codepen gone?

I used https://codepen.io/freeCodeCamp/pen/MJjpwO and a burger menu had been at the left upper corner but now it is gone. How we can see the tests???

CDN is blacklisted for some reason…

https://gitcdn.link/repo/freeCodeCamp/testable-projects-fcc/master/build/bundle.js

Forbidden - This repo/gist is on the blacklist. If you wish to appeal, please open an issue here: https://github.com/schme16/gitcdn.xyz/issues, with why you feel this repo should not be on the blacklist.