请老师检查下代码，谢谢

来源：2-9 自由编程

不厌_

2021-05-27 15:03:19

相关代码：

<!Doctype html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>编程作业</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        .box {
            width: 300px;
            height: 240px;
            margin: 20px auto;
            position: relative;
            overflow: hidden;
        }
        .box img {
            width: 300px;
            height: 240px;
        }
        .box p {
            width: 280px;
            height: 50px;
            color: white;
            padding-left: 20px;
            line-height: 50px;
            background-color: rgba(96,96,96,.5);
            position: absolute;
            top: 240px;
            transition: top 1s linear 0s;
        }
        .box:hover p {
            top: 190px;
        }

    </style>
</head>

<body>
    <div class="box">
        <img src="img/duck.png" alt="">
        <p>这是一只小黄鸭</p>
    </div>
</body>

</html>