.banner { position: relative; overflow: auto; text-align: center;}
.banner li { list-style: none; }
.banner ul li { float: left; }
#b03 { width: 350px;}
#b03 .dots { position: absolute; left: 0; right: 0; bottom: 20px;}
#b03 .dots li 
{ 
	display: inline-block; 
	width: 10px; 
	height: 10px; 
	margin: 0 4px; 
	text-indent: -999em; 
	border: 2px solid #fff; 
	border-radius: 6px; 
	cursor: pointer; 
	opacity: .4; 
	-webkit-transition: background .5s, opacity .5s; 
	-moz-transition: background .5s, opacity .5s; 
	transition: background .5s, opacity .5s;
}
#b03 .dots li.active 
{
	background: #fff;
	opacity: 1;
}