body {
	background:#fff;
	color:#000;
	font-family:Verdana, Geneva, sans-serif;
	font-size:12px;
	font-weight:normal;
	line-height:16px;
	text-align:left;
}
.main {
	width:390px;
	float:left;
}
.sider {
	padding-left:20px;
	width:170px;
	float:left;
}