老师检查下，代码编写是否规范

# 具体遇到的问题

# 报错信息的截图

# 相关课程内容截图

# 尝试过的解决思路和结果

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

在这里输入代码，可通过选择【代码语言】突出显示
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style type="text/css">
    *{
        margin: 0;
        padding: 0;
    }
    .box{
        width: 400px;
        height: 300px;
        overflow: hidden;
        margin: 50px auto;
        position: relative;
    }
    .box p{
        width: 400px;
        height: 50px;
        line-height: 50px;
        text-align: center;
        position: absolute;
        bottom: -50px;
        left: 0;
        background-color: rgba(0,0,0,.4);
        color: white;
        transition: bottom 1s linear 0s;
    }
    .box:hover p{
        bottom:0px
    }
    </style>
</head>
<body>
    <div class="box">
        <img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1604909005112&di=9b39d9e526856b78cb36a361be799028&imgtype=0&src=http%3A%2F%2Fa0.att.hudong.com%2F30%2F29%2F01300000201438121627296084016.jpg" alt="">
        <p>总裁喵</p>
    </div>
</body>
</html>