Responsive navigation and sidebar using Flexbox

Question

Greetings from Brussels !
This is my first post here and I've just finished a small example of responsive layout ( only navigation and sidebar ) using Flexbox. Goodbye floats 😁 . Any feedback is welcome !

https://code.sololearn.com/W0uG6GwDveav/?ref=app

Answer 1

It's an awesome navbar, the only thing I would change is the blue background while pressing the menu button