Defect Description
In quiz section there is no submit button. So there is no option to submit the quiz.
Steps to reproduce the issue
Go to experiment of Message Authentication Codes and further quiz section. You will notice that there is no submit button for the quiz
Defect Description In quiz section there is no submit button. So there is no option to submit the quiz. Steps to reproduce the issue Go to experiment of Message Authentication Codes and further quiz section. You will notice that there is no submit button for the quiz![Screenshot from 2019-03-17 11-27-19](https://user-images.githubusercontent.com/43282223/54485974-bed6d780-48a7-11e9-9373-88ba23109128.png)