<!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3.org/TR/html4/loose.dtd”>
<html>
<head>
<title> New Document </title>
<meta name=”Author” content=””>
<meta name=”Keywords” content=””>
<meta name=”Description” content=””>
<style>
#wrapper
{
background: #369;
width:300px;
height:150px;
}
#div1
{
-moz-opacity: 0.3; /* FF 3.5以下 */
opacity: 0.3; /* FF 3.5及以上 */
filter: alpha(opacity=30); /* IE6及以上 */
background: #fff;
width: 200px;
height: 50px;
}
#div2
{
background: rgba(255, 255, 255, 0.3) !important; /* IE无效，FF有效 */
background: #fff;
filter: alpha(opacity=30);
width: 200px;
height: 50px;
}
#div2 span
{
position: relative;
}
</style>
</head>
<body>
<div id=”wrapper”>
<div id=”div1″>
<span>图层背景半透明，字体颜色也半透明</span>
</div>
<br />
<div id=”div2″>
<span>图层背景半透明，字体颜色不半透明</span>
</div>
</div>
</body>
</html>