* {
	margin:0px;
	padding:0px
}
#container {
	margin-left:200px;
	width:500px;
	height:500px;
	position:relative;
	overflow:hidden;
}
#inner-list {
	width:400%;
	position:absolute;
	top:0;
	left:0;
}
#inner-list li {
	float:left;
}
#dot-list {
	position:absolute;
	bottom:20px;
	right:20px;
}
#dot-list li {
	float:left;
	display:inline-block;
	width:20px;
	height:20px;
	border-radius:50%;
	line-height:20px;
	text-align:center;
	background:rgba(255,255,255,.3);
	cursor:pointer;
	margin-right:10px;
}
#dot-list li.cur {
	background:rgba(255,255,255,.6);
}
.btn-ctrl {
	position:absolute;
	cursor:pointer;
	top:50%;
	font-size:36px;
	color:red;
	font-weight:500;
	z-index:2;
}
#btn-prev {
	left:0px;
}
#btn-next {
	right:0px;
}