Another theme for nav-list

[artemkorsakov]

Could you tell me, please, if anyone is using a different theme for the left menu?

The thing is that I have a very long the table of the content
and I would really like to be able to fold the menu, for example, like this:
https://codepen.io/azouaoui-med/embed/wpBadb?default-tab=result&theme-id=dark&zoom=0.5#result-box