When I hover unto my button, it gives a white flash first when starting the transition. Why does it sort of flickers when I apply a css3 transition to my button? My brow
I believe it is currently an issue without a fix. I too have run into this before playing around and could not get it to work. Using a solid color seems to be fine, or faking it with a background image.
Similar Question here: Webkit support for gradient transitions
More detail: http://screenflicker.com/mike/code/transition-gradient/