<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>


			#zhezhao{
				width: 100%;
				height: 100%;
				background-color: #000000;
				opacity: 0.1;
				z-index: 5;	
			}

		</style>
	</head>
	<body>
		<!-- 遮罩层div -->
		<div id="zhezhao" >
			
		</div>
		
		<div id="header">
			
		</div>
	</body>
</html>

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