Looking for an extension

Hello, I would like to know if this extension is still available. Unfortunately I can't access the link to get it.

Or if it has a similar extension.

Thanks.

https://community.thunkable.com/t/extension-change-the-design-of-the-button/36717

you can check here:

What is the goal? What should the extension do?

Try a search in the extensions directory App Inventor Extensions | Pura Vida Apps

Taifun