body{
	margin: 0;
	padding: 0;
	  -moz-user-select: none; 
-webkit-user-select: none; 
-ms-user-select: none; 
-khtml-user-select: none; 
user-select: none; 	
}
.mian{
	max-width: 680px;
	width: 100%;
	background: url(../img/starting_beijin.png);
}
.anniu{
	position:absolute;
	z-index: 5;
	width: 100%;
	text-align: center;
}