3D CSS transform, jagged edges in Firefox
Edited answer: (after comments) “Workaround”, add a transparent outline attribute: outline: 1px solid transparent; Tested on Firefox 10.0.2 Windows 7: http://jsfiddle.net/nKhr8/ Original answer: (background-color dependent) “Workaround”, add a border attribute with the same color of your background (white this case): border: 1px solid white; Tested on Firefox 10.0.2 Windows 7: http://jsfiddle.net/LPEfC/