Cross Browser Opacity set using CSS3
.transparent_class { /* IE 8 */ -ms-filter: “progid:DXImageTransform.Microsoft.Alpha(Opacity=50)”; /* IE 5-7 */ filter: alpha(opacity=50); /* Netscape */ -moz-opacity: 0.5; /* Safari 1.x */ -khtml-opacity: 0.5; /* Good browsers */ opacity: 0.5; }