Hi @Pedro,
you have a nice looking challenge and I like how you use the transitions on your rating buttons. The only Issue that I see in your challenge is that a user can press on submit and get the thankyou message even if he has'nt clicked on a rating button.
A solution would be to disabled the submit button, when the user has not yet clicked on a button, or to display an alert message to the user when he click on submit althought he has not yet clicked on a rating button.
I hope this help.
Happy coding :)
Christ
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