Cant complete the mission

Mission: DATA BINDING 101
Task: Add block component and bind styles logic
I don’t know why i cant complete the mission, I have made a new page for the 4th time and did everything exactly as described but it still says when i click on ‘‘preview’’ that i failed the task.

Please, describe your problem here.

Are you doing this as an assignment for school?

yes

I think your best option is to check with the professor and have them help you find the problem.