#container {
	width: 1002px;
	height: 147px;
	border: 0px;
	overflow: hidden;
	position: relative;
	margin: 0 auto;
}

#list {
	width: 4200px;
	height: 147px;
	position: absolute;
	z-index: 1;
}
#list img { float: left; }

#buttons {
	position: absolute;
	height: 10px;
	width: 100px;
	z-index: 2;
	bottom: 20px;
	left: 250px;
}

#buttons span {
	cursor: pointer;
	float: left;
	border: 1px solid #fff;
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: #333;
	margin-right: 5px;
}

#buttons .on {
	background: orangered;
}

.arrow {
	cursor: pointer;
	display: none;
	line-height: 39px;
	text-align: center;
	font-size: 36px;
	font-weight: bold;
	width: 40px;
	height: 40px;
	position: absolute;
	z-index: 2;
	top: 180px;
	background-color: RGBA(0, 0, 0, .3);
	color: #fff;
}

.arrow:hover {
	background-color: RGBA(0, 0, 0, .7);
}

#container:hover .arrow {
	display: block;
}