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Hello, my fellow developers. i need some help with my code. As I was finishing up with the success message, I had trouble arranging the contents in my second container. Whenever I use display: flex, the second container appears where the main-grid is.

I have used the hidden method to hide the success message. Does anybody have a solution? I will very much appreciate. Thank you in advance.

All feedback is welcome, thank you.

All feedback is welcome.