A motion library people can browseand agents can implement.

.motion-card {
  animation-name: motion-slide-in;
  animation-duration: 420ms;
  animation-timing-function: cubic-bezier(0.23, 1, 0.32, 1);
  animation-delay: 0ms;
  animation-fill-mode: both;
  will-change: transform, opacity;
  transform-origin: center;
}

@keyframes motion-slide-in {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .motion-card {
    animation-name: motion-slide-in-reduced;
    animation-duration: 180ms;
    animation-delay: 0ms;
    transform: none;
    animation-iteration-count: 1;
  }
}

@keyframes motion-slide-in-reduced {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}