A Transparent Cube

@DimiPavlov Thank you for your comment.

I had indeed had some issues concerning authenticating my Git device with GitHub, but now everything seems to work just fine and the project has been pushed into the repo successfully.

Now I hope you come back and have a look!

Edit: There is a problem with the issues report, as the solution was empty the report also showed nothing. I guess I need to reattempt the solution, or submit it again. But I don't know how. All I can do is "Editing" my solution, but the attempts counter on my challenge page doesn't add up nor the report page refreshes its contents.