Highly Responsive Snap Intro Section, Dev using HTML & CSS ONLY!

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

Not using too much JAVASCRIPT. Atleast I have Tried :)

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

The Dropdown icon when I hover it should change the image to drop-up icon. I have tried to use css field for image that is content: url("") but it changes all the li's for the submenu also.

So maybe A help here will be nice :)

Otherwise Thanks for the Like and viewing this :) Have a nice Coding Time