老师你好，麻烦检查一下

来源：3-6 编程练习

慕朵云

2020-03-08 06:27:52

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>margin外边距</title>
        <style type="text/css">
            * {
                margin: 0;
                padding: 0;
             }
            ul{
                list-style:none;width:300px;height:400px;
                background-color:pink;
                padding-top:40px;
                padding-left:40px;
                padding-top:40px;
                box-sizing:border-box;
            }
            li{
                width:200px;height:50px;background-color:yellow;
                /*样式补充*/
                margin-top:40px;
                
            }
        </style>
    </head>
    <body>
        <ul>
            <li>HTML</li>
            <li>CSS</li>
            <li>JavaScript</li>
        </ul>
    </body>
</html>

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