Use "prefers-reduced-motion" media query to disable animations

To turn animations off, you could write a prefers-reduced-motion media query. Then anyone who wants to turn animations off can do so in thue browser/OS settings.

This is from WCAG 2.1 Animations from interactions success criterion, level-AAA.

Discussed in Drupal Issue 2312805 . Drupal previously used jQuery Joyride, and has switched to Shepherd.