I am able to display an image as opaque by assigning the image a class with the following proprties: .grayimage { opacity: .5; filter: alpha(opacity=50); } The above class definition works when viewed on all of the PC browsers we've tested (IE, Firefox, Opera, Netscape) and on Mac (Safari, Firefox). However, it has no effect when viewed on the Mac IE and Netscape. Is there no support for the properties in this css for Mac IE/Netscape, or do we just need to apply different values for those? (and what might those be? Many thanks!
the simple answer is no - transperancy is not supported...also im assuming you have tested this in IE7 because its also not supported in IE6 either. there is a hack available though - google 'pngfix' and see what you come up with