ul, li { list-style:none; }
img { border:none; }
h1, h2, h3, h4, h5, h6 { font-size:1em; }
html { overflow:-moz-scrollbars-vertical; } 
#content{ width:512px; margin:0 auto; }
.ad { 
	margin-bottom:10px;
	width:512px; 
	height:220px; 
	overflow:hidden;
	position:relative;
	margin:0 auto;
}
.slider,.num{
	position:absolute;
}
.slider li{ 
	list-style:none;
	display:inline;
}
.slider img{ 
	width:512px; 
	height:220px;
	display:block;
}
.num{ 
	right:5px; 
	bottom:5px;
}
.num li{
	float: left;
	color: #FF7300;
	text-align: center;
	line-height: 16px;
	width: 16px;
	height: 16px;
	font-family: Arial;
	font-size: 12px;
	cursor: pointer;
	overflow: hidden;
	margin: 3px 1px;
	border: 1px solid #FF7300;
	background-color: #fff;
}
.num li.on{
	color: #fff;
	line-height: 21px;
	width: 21px;
	height: 21px;
	font-size: 16px;
	margin: 0 1px;
	border: 0;
	background-color: #FF7300;
	font-weight: bold;
}