ReactJS Quiz

It is a ReactJS Quiz for who want to learn this library contains 15 question with different difficulties , it contain many features like go back to the answered question while the quiz is running and show the correct answer if the given answer is wrong, show the score of the points that the user earn from answering the questions and when the quiz finished , the site show for the user the percentage of correct answers and 3 options (see answers, try again, exit).

I write the code of this project using ReactJS, MUI, CSS.