Thank You page: no formating options as shown in the tutorial

On the custom message, I don't have the formatting options shown in the screenshot in the above tutorial. I would like to adjust the font size in the custom message but it doesn't give me the formatting bar to do so. I'm using a card-style form. Why I don't I have those options?

Hi there - Unfortunately, the screenshots shown in the tutorial are for Classic-layout forms. I'm afraid the customization for card form is quite limited.

Related Guide: Cards-or-Classic-Which-One-Should-I-Use 

Let us know if you need further assistance.