I noticed that Web-kit browsers like Chrome and Safari (Windows) tend to round em values to nearest pixel, while Firefox, IE, ? Opera ? can use sub-pixel values. This is nor
The problem is that chrome won't position text and text shadows at sub-pixel increments, so it rounds to the nearest pixel.
You can see the same effect with letter-spacing where firefox will allow non-integer values in pixels, while chrome will round the closest pixel.
letter-spacing