<html>
<head>
<style type="text/css">
body
{
background-image:url('http://images2015.cnblogs.com/blog/441096/201610/441096-20161013163910781-1393436376.jpg');
background-repeat:no-repeat;
background-attachment:fixed;
background-position:center;
}
</style>
</head>
<body>
<body>
<div style="width:100px;height:100px;background:red;position:absolute;top:100px;left:100px">
</div>
<div style="width:100px;height:100px;background:blue;position:absolute;top:300px;left:300px">
</div>
<div style="width:100px;height:100px;background:white;position:absolute;top:600px;left:600px">
</div>
<div style="width:100px;height:100px;background:gray;position:absolute;top:900px;left:900px">
</div>
<div style="width:100px;height:100px;background:black;position:absolute;top:1200px;left:1200px">
</div>
</body>
</body>
</html>
