<html>
<head>
<style>
h3{
background:gold;
font-size:4vw;}
.opacityval {
opacity: 0.4; /* Safari 1.x */
filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)"; /* IE 8 */
filter: alpha(opacity=40); /* IE 5-7 */
opacity: 0.4; /* Netscape */
opacity: 0.4; /* Popular browsers */
}
</style>
</head>
<body>
<div class="opacityval">
<h3>Example for Cross Browser Opacity</h3>
</div>
</body>
</html>