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thank you for comment that helped me with my functionality

Your design looks great, but there is something you could improve. You're showing the form again using form.style.display = 'block' which removes the Flexbox properties. Instead, you could control the visibility by adding and removing a class, like this:

.hidden {
  display: none;
}

This way, the Flexbox layout stays intact.

Also, I would suggest using media queries with min-width for responsive design. It’s better to style for the mobile view first, and then in the media queries, only change the styles needed for larger screens.