老师，麻烦检查一下

来源：2-17 编程练习

山有木兮木有枝z

2020-06-07 20:50:44

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>动态伪类</title>
        <style type="text/css">
          input:hover{
              border:red solid 1px;
          }
          input[type="text"]:focus{
              background-color:orange;
          }
       input[type="password"]:focus{
              background-color:yellow;
          }
        </style>
    </head>
    <body>
   <span>用户名：</span><input type="text">
   <br>
   <br>
   <span>密码：</span><input type="password">

    </body>
</html>