Nav/Footer Redesign

I need the header & footer changed on my website. I currently operate a digital marketplace, so I need too change how my navigation bar looks.

My website is https://ez-keys.net

I would like to get a similar navigation dropdown list like this website have.
https://gyazo.com/ed4d903ea040e1747d95ad3b09ce0ce7

I can provide a demo account login & admin account login along with source files too check first too see if you can customize it...