4-7练习题怎么做

来源：4-16 css权值和优先级

慕粉0026544749

2017-07-01 01:40:35

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>权值</title>
        <style type="text/css">
            /*补充代码*/
            #div span{color:green;}        </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>