老师，帮看一下代码是否规范。谢谢

来源：3-22 编程练习

慕婉清2345585

2020-03-21 20:19:57

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
    
    <style type="text/css">
       a:link{color: red;}
       a:visited{color: green;}
       a:hover{font-size: 30px;}
       a:active{color: orange;}
   </style>
</head>
<body>
    
   <a href="http://www.imooc.com" target="_blank">点击一下</a>
</body>
</html>