* {
	margin:0;
	padding:0;
	border:none;
}
ul,li {
	list-style:none;
}
#loutiNav {
	position:fixed;
	left:40px;
	top:25%;
	width:30px;
	border:1px solid black;
}
#loutiNav li {
	border-bottom:1px dashed #ddd;
	width:28px;
	height:29px;
	line-height:29px;
	text-align:center;
	font-size:14px;
	cursor:pointer;
	position:relative;
}
#loutiNav li span {
	display:none;
	position:absolute;
	left:0;
	top:0;
	width:30px;
	height:30px;
	font-size:12px;
	text-align:center;
	background-color:darkred;
	color:white;
}
#loutiNav li:hover span {
	display:block;
}
#loutiNav li span.active {
	display:block;
	background-color:white;
	color:red;
}
#head,#foot,#main {
	width:1000px;
	text-align:center;
	font-size:40px;
	margin:0 auto;
}
#head,#foot {
	background:green;
	height:300px;
	line-height:300px;
}
#main div {
	height:500px;
	line-height:500px;
}