3 ms·It works in Firefox 25 for me.by ldubinets 13y agoIt works in Firefox 25 for me.uzyn 13y agoJust gave it a try, you are right. Collision detection however fails on Google Chrome 31 when the mouse pointer is not moving.anonymfus 13y agoSo Chrome don't recalculate :hover CSS pseudoclass when position of element changes, it does it only on mouse events.