Annimation on same class

Hello,
This is my share link:
https://preview.webflow.com/preview/test-3520a6?utm_medium=preview_link&utm_source=designer&utm_content=test-3520a6&preview=9de1f432b170f596f70ccb1435b67944&mode=preview

I created an animation on the first Grid then I copy/past it just bellow. But the animation doesn’t work on the last grid. :upside_down_face:

Somebody could say me what’s happening?