Why not have a Web Navigation Bar Challange ?

Question

Why always mathematical challanges only, lets make some Web based unique Navigation Bar Challenge. Unique, beautiful, but neat.
Here is my:
https://code.sololearn.com/W8RZB5zKs3h4/?ref=app

Answer 1

BRAVO!!!!
☺️☺️☺️😊😊😊

Answer 2

Challenge: avoid use of JS in your code (make your web navigation bar working in pure CSS ;P)