demo7-bg11.18
/
8.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>群组联合选择器</title>
		<style type="text/css">
			h1,h2,h3{color: black;text-align: center;font-family: "微软雅黑";}
			h1{font-size: 24px;}
			h2{font-size: 16px;}
			h3{font-size: 12px;}
		</style>
	</head>
	<body>
		<h1>一级标题</h1>
		<h2>二级标题</h2>
		<h3>三级标题</h3>
	</body>
</html>