* {
	margin: 0;
	padding: 0;
}
ul, li {
	list-style-type: none;
}
a {
	color: #333;
	text-decoration: none;
}
a:hover {
	color: #3366cc;
	text-decoration: underline;
}
.demopage {
	width: 730px;
	margin: 0 auto;
}
.demopage h2 {
	font-size: 14px;
	margin: 20px 0;
}
/* scrollDiv */
.scrollDiv {
	height: 25px;/* 必要元素 */
	line-height: 25px;
	overflow: hidden;/* 必要元素 */
}
.scrollDiv li {
	height: 25px;
	padding-left: 10px;
}
#s2, #s3 {
	height: 182px;
}