ul,li,div,span {
	margin:0;
	padding:0;
}
li {
	list-style:none;
}
span {
	display:block;
	border-bottom:1px solid black;
	background-color:orange;
}
.wrap {
	width:400px;
	height:500px;
	border:1px solid black;
}
.wrap li {
	width:400px;
	height:40px;
	overflow:hidden;
}
ul li.checked {
	height:340px;
}
.wrap li span {
	height:39px;
	line-height:39px;
	text-indent:20px;
}
.wrap li div {
	height:300px;
	line-height:300px;
	text-align:center;
	font-size:50px;
}