Pure CSS Fish Eye Menu Demo
The fish eye effect on the following examples where icon images next to the active item are slightly expanded, will only work on browsers with active support for adjacent sibling "+" selector. See the tutorial for browser support.
Expands icon image downwards when mouse pointer is over it. See the HTML+CSS code for expand-down with explanations.
A type of fish eye menu which expands icon image upwards on mouse hover. See the HTML+CSS code for expand-up.