Hello! Can you tell me why the buttons won't work on the index page? I don't see anything in front of them. They're on the top layer, and the buttons below work.

I couldn't get the upload in this forum to work, so here's a link to the file in my googledrive.

https://drive.google.com/open?id=15H...s0K5VPVK1U0a-k

Thanks for your help.