標籤：des style http color width io
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> new document </title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="keywords" content="" />
<meta name="description" content="" />
<style type="text/css">
a span { display:inline-block; border:0 solid #fff; border-width:5px 5px 0; border-color:#090 #fff;width:0; overflow:hidden;height:0; }
a:hover{ border:none;}
a:hover span { border-width:0 5px 6px; }
</style>
</head>
<body>
<p>
<a href="">懸浮-下拉式功能表<span></span></a>
</p>
</body>
</html>
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