请老师检查代码

来源：2-9 自由编程

wowawawoa

2021-03-02 18:31:24

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        div {
            height: 240px;
            width: 300px;
            overflow: hidden;
            margin: 50px auto;
            position: relative;
        }
        div p {
            position: absolute;
            bottom: -30px;
            transition: bottom .5s linear 0s;
            background-color: rgba(0, 0, 0, .5);
            color: white;
            width: 290px;
            height: 30px;
            line-height: 30px;
            padding-left: 10px;
        }
        div:hover p {
            bottom: 0;
        }
    </style>
</head>
<body>
    <div>
        <img src="img/duck.png" alt="">
        <p>这是一只小黄鸭</p>
    </div>
</body>
</html>