Built Responsive Nave Bar

Simple flat design that uses 3d rotation to hide the  menu on small
devices.
Following blog post
[http://www.newmediacampaigns.com/blog/responsive-site-header].
Changing Nav header

Making the header responsive, mirroring Responsive github site.
Made header sticky.
Finished Full size header

Re-added colour change in hover.
Added transition to make the colour fade in gradually.
Made nav links move slightly closer to each other when screen size gets
smaller so that i can serve the same nav bar all to devices above 600px
(7" Android tablet).
Added mobile site nav bar

On click the menu now appears.
Doesn't work in IE.
Problem with button click area.
Fixed button area issue.
Fixed mobile drop down in IE

I just had to change the syntax for the vendor engine.