日期:2014-05-16 浏览次数:20425 次
<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
#lab:hover {
border-bottom:1px black solid;
background:#ccc;
}
</style>
</head>
<body>
<label id="lab">标签</label>
</body>
</html>