<head>
<title>多物体透明度变化</title>
<style type="text/css">
*
{
margin: 0;
padding: 0;
}
div
{
float:left;
margin-right:10px;
width: 200px;
height: 200px;
background: red;
filter:alpha(opacity:30);
opacity:0.3;
cursor: pointer;
}
</style>
</head>
<body>
<div id="div1">
</div>
<div id="div2">
</div>
<div id="div3">
</div>
</body>
</html><head>
<title>多物体透明度变化</title>
<st