What are the challenges of using CSS animations and how can you mitigate them?

Instruction: Explain the potential pitfalls of CSS animations and strategies to optimize their use.

Context: This question probes the candidate's knowledge of CSS animations, focusing on their limitations and how to optimize animations for performance and usability.

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Animation can consume rendering resources, distract users and create motion discomfort. Keep the underlying content usable without motion, and add nonessential effects only when appropriate.

<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>CSS example</title> <style> .notice { padding: 1rem; border: 1px solid; } @keyframes arrive { from { opacity: 0; transform: translateY(4px); } } @media (prefers-reduced-motion: no-preference) { .notice { animation: arrive 200ms...

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