* {
	margin:0;
	padding:0;
}
.banner {
	width:580px;
	height:300px;
	position:relative;
	overflow:hidden;
	margin:50px auto;
}
.box { 
	height:300px;
	position:relative;
}
.box div {
	width:580px;
	height:300px;
	position:absolute;
	top:0;
	left:0;
	opacity:0;
	transform:1.5s;
	-moz-transition:1.5s;
	-webkit-transition:1.5s;
}
.box div.active {
	opacity:1;
}
.box div img {
	width:100%;
	height:100%;
	display:block;
}
.but div {
	position:absolute;
	top:150px;
	cursor:pointer;
	padding:5px 15px;
	font-size:25px;
	background-color:rgba(102,215,255,0.5);
	color:white;
	z-index:2;
}
.next {
	right:50px;
}
.prev {
	left:50px;
}
.Dots {
	position:absolute;
	bottom:30px;
	right:50px;
}
.Dots a {
	width:10px;
	height:10px;
	float:left;
	display:block;
	background-color:rgba(102,215,255,0.7);
	margin-left:8px;
	border-radius:50%;
}
.Dots a.active {
	background-color:white;
}