You will get a fully responsive Navigation Menu within 1 day and you will get 4 view ports responsiveness mentioned as below:
1. Default View for Big screens(Apple Systems)
2. 1170px view port for medium screens (Led, Lcd etc.)
3. 992px view port for small screens (Crt etc)
4. 768px view port for extra small screens (Tablets, Phablets, Smartphones)