For emails, I think that it is usually a good idea to send a couple of test emails and looking at them on different devices! That said, I've just checked out your email preview, and sent a test email to my iOS Gmail app. It looks like the GIF is looking alright now!
Are you still having this issue? If you are, would you be able to share a little more about what's looking funky on your end? 🙂
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