Responsive Manage Landing Page Using Pure (HTML | CSS | JS)

What are you most proud of, and what would you do differently next time?

What I'm proud of mostly is completing this challenge with hard work, insistence and enthusiasm, So I can Contribute to help Front-End Mentor Community with My Solution

What challenges did you encounter, and how did you overcome them?

The Most Challenging part I've encountered is making the testimony slide bar interactive, So I had to Write & some Functions to implement the desired action (Making Testimony Boxes Slide While Clicking on a specific box).

What specific areas of your project would you like help with?

The E-Mail Validation Section & Testimony Slide Bar.