Vimeo Video Player Button not working

I copied the Video Player of T.Ricks in an own project and would like to make the project without CMS. Now the “Play” does not work anymore and i don’t know why. Can you help me fic this problem? You find my Read-Only-Link down below.

Here is the original T.Ricks Vimeo Video Player (Vimeo Video Player - Webflow).

Here is my site Read-Only: [LINK][1]