慕莱坞9220042
你好，直接看个例子就明白了<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无下划线的a标签</title>
</head>
<style type="text/css">
a {text-decoration:none}
</style>
<body>
<a href="http://www.imooc.com">慕课网</a>
</body>
</html>望采纳！