#aa {
	position: absolute;
	visibility: visible;
	z-index: auto;
	left: 500px;
	top: 0px;
}
#zhaoshang {
	background-color: #000000;
	color: #FFFFFF;
	font-size: 36px;
	font-weight: bolder;
	text-align: center;
}
.bianxian {
	border-right-width: 1px;
	border-right-style: solid;
	border-right-color: #999999;
}