* {
	margin:0;
	padding:0;
}
img {
	border:none;
}
li {
	list-style:none;
}
#container {
	margin:50px auto;
	position:relative;
	width:300px;
	height:300px;
}
#imgs img {
	display:none;
}
#imgs img.selected {
	display:block;
}
#tab {
	position:absolute;
	right:10px;
	bottom:10px;
}
#tab li,#arrows span {
	width:20px;
	height:20px;
	background:#000;
	color:#fff;
	cursor:pointer;
	float:left;
	text-align:center;
	line-height:20px;
	margin:2px;
}
#arrows {
	position:absolute;
	left:10px;
	bottom:10px;
}
#tab li.selected {
	background:#900;
}