[Bug]: Demo unreachable

[vzwick]

Demo URL

https://cssninjastudio.github.io/hr/index.html

What happened?

404

Reproduction steps

1. Go to https://github.com/cssninjaStudio/hr or https://cssninja.io/product/hr
2. Click on the demo preview link

Relevant log output

No response

What browsers are you seeing the problem on?

Firefox, Chrome, Safari, Microsoft Edge, Other

What is your operating system?

MacOS, Windows (with WSL2), Windows, Linux