Can I clone this rotating, gradient, inner glow effect?

I recently came across this cool blurred, rotating gradient border effect by Ana Tudor, and tried my best to recreate it!

🔗 Links
✅ Ana’s codepen: https://codepen.io/thebabydino/pen/WN...
✅ My version from this video: https://codepen.io/kevinpowell/pen/Ex...
✅ Ana’s post on Bluesky: https://bsky.app/profile/anatudor.bsk...
✅ Follow me on Bluesky: https://bsky.app/profile/kevinpowell.co
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⌚ Timestamps
00:00 - Introduction
00:26 - Setting things up
01:45 - Adding a conic gradient to the div
02:50 - Adding a custom property to animate the gradient
05:00 - Registering the custom property to animate it
07:20 - Moving the gradient to a pseudo-element
10:30 - Struggling to add a mask
14:30 - Getting the mask to work
15:20 - Trying multiple linear gradients
18:01 - Figuring out the problem with the trailing comma
19:22 - Looking at Ana’s solution which uses border-image

#css

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