请老师同学检查

来源：4-12 编程练习

慕先生8971282

2019-08-08 20:55:50

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>权值</title>
        <style type="text/css">
            /*补充代码*/
            #div span{color: green;} /*101*/
            #div .p1 span{color: red;} /*111*/
        </style>
    </head>
    <body>
        <div id="div">
            <p class="p1"> 
                <span>权值相同，</span>就近原则
            </p>
            <p class="p2">
                <span>权值不同，</span>哪个权值高，就用哪个
            </p>
        </div>
    </body>
</html>

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