Is Firefox 6/7 handling max-width:320px media query wrong?

Question

I\'m seeing strange behavior with media query in Firefox lately, and I was wondering who\'s doing it right (compared to Chrome and IE9).

I\'ve got the following css:

Answer 1

I've been working on a responsive design for 320px but Firefox just wouldn't respond.

I found that, for some reason, if you set your media query to 480px - (max-width:480px) - then Firefox will apply the media queries anyway.