请老师检查谢谢

来源：2-24 编程练习

慕UI4313976

2020-03-05 11:04:07

<!DOCTYPE html>
<html>
    <head lang="en">
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
           /*此处写代码*/
           ul > li > ol > li:first-child{
               color: red;
           }
           ul > li > ol > li:nth-child(2){
               color: green;
           }
           ul > li > ol > li:last-child{
               color: blue;
           }
        </style>
    </head>
    <body>
        <!--此处写代码-->
        <ul>
            <li>
                家用电器
                <ol>
                    <li>冰箱</li>
                    <li>洗衣机</li>
                    <li>空调</li>
                </ol>
            </li>
            <li>
                清洁用品
                <ol>
                    <li>洗衣液</li>
                    <li>消毒液</li>
                    <li>洗厕液</li>
                </ol>
            </li>
            <li>
                妇婴用品
                <ol>
                    <li>奶粉</li>
                    <li>纸尿裤</li>
                    <li>奶瓶</li>
                </ol>
            </li>
        </ul>
    </body>
</html>

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