With Windows 10, there is a setting in windows system to reduce the motion/animation for users.

>system settings > ease of access > display > show motion in windows > ON/OFF

ON: animate.css is functioning (ver > 3.7.0)
https://daneden.github.io/animate.css/

OFF: animate.css is not functioning

Hey! It seems that you have animations disabled on your OS, turning Animate.css off.
From v3.7.0 and up Animate.css supports the prefers-reduced-motion CSS media feature. You can read more about it here.