老师帮忙检查一下代码

来源：4-2 编程练习

lcy_18

2020-03-21 15:38:02

<!DOCTYPE html>
<html><head>
    <meta charset="UTF-8">
    <title>display属性</title>
    <style type="text/css">
    div {
        width: 200px;
    }
    /*补充样式*/
    li{display:none;}
    div:hover li{display:inline;}
    ul{padding:0px;}
    </style>
</head><body>
    <div>
        <h2>家电</h2>
        <ul>
            <li>冰箱</li>
            <li>空调</li>
            <li>洗衣机</li>
        </ul>
    </div>
</body></html>