<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<style type="text/css">
span {
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=30);
-moz-opacity: 0.3;
opacity: 0.3;
}
</style>
</head>
<body>
<span>test</span>
</body>
</html>