How to add hamburger menu in bootstrap

Question

I need some help with bootstrap nav. I want it to be toggled via a hamburger icon on mobile.

Here it is on codepen: http://codepen.io/sadman/pen/hfGwv (link

Answer 1

To create icon you can use Glyphicon in Bootstrap:

And then control size of icon in css:

.glyphicon-menu-hamburger {
  font-size: npx;
}