麻烦老师检查一下，谢谢！

来源：2-17 编程练习

努力的刘同学

2020-02-23 13:52:28

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

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