body {
	background-color: #FFFFFF;
}
.kuan {
	width: 350px;
	margin-top: 50px;
	margin-right: auto;
	margin-left: auto;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	line-height: 30px;
	color: #333333;
	background-color: #E8F5FD;
	border: 1px solid #1978B2;
}