![](https://pic002.cnblogs.com/images/2012/382256/2012062718201443.png)
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<style type="text/css">
div{ position:absolute; top:0; left:0; width:100%; height:600px; filter:progid:DXImageTransform.Microsoft.gradient(enabled='true',startColorstr='#66000000', endColorstr='#66000000'); background:rgba(0,0,0,0.4); background:url(#)\9;}
p{ display:inline; background:#fff;}
input{ background:none;}
textarea{ background:none;}
</style>
<a href="">1111111111</a>2222222222
<a href="">1111111111</a>2222222222<br />
<a href="">1111111111</a>2222222222
<a href="">1111111111</a>2222222222<br />
<div>
<p>
<input type="text" />
</p>
<textarea></textarea>
</div>
</body>
</html>