Tasty Hamburgers is a collection of tasty CSS-animated hamburger icons. There are 10 animated hamburger icons and also included is the source as a Sass library(Download and unzip the source files.
Copy the files from the _sass/hamburgers directory into your project). It’s modular and customizable, so cook up your own hamburger.
Hamburger menu icons can be useful in the right context, but they’re not the most accessible. A label can help make it more obvious that it toggles a menu.