app/javascript/react/assets/icons/playButton.svg
<svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M32 16C32 7.16344 24.8366 0 16 0C7.16344 0 0 7.16344 0 16C0 24.8366 7.16344 32 16 32C24.8366 32 32 24.8366 32 16Z" fill="#00B2EF"/>
<path fill-rule="evenodd" clip-rule="evenodd" d="M24 16L12 8L12 24L24 16Z" fill="white"/>
</svg>