请问这样实现可以吗？

来源：2-15 编程练习

qq_慕用6596887

2020-09-02 21:40:38

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>background属性</title>
    <style type="text/css">
        /*此处写代码*/
        div{
            width:800px;
            height:500px;
            border:20px solid rgba(255,0,0,0.3);
            padding:20px;
            background:url(http://climg.mukewang.com/582c39c00001091605000150.jpg) no-repeat #efefef;
            background-clip:padding-box;
            background-size:90%;
            background-position:center center;
        }
    </style>
</head>
<body>
    <!-- 此处写代码 -->
    <div>
        <h1>慕课网(IMOOC)国内最大it技能学习平台</h1>
    </div>
</body>
</html>

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