trycss_boxmodel_width 在线代码实例

实例代码( Tip: 登录后体验更佳 )

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>W3Cschool教程(w3cschool.cn)</title>
<style>
    div.ex
    {
    width:220px;
    padding:10px;
    border:5px solid gray;
    margin:0px;
    }
</style>
</head>
<body>
    <img src="/attachments/cover/cover_cssref.jpeg" width="250" height="250" />
    
    <div class="ex">上面的图片是250像素宽。这个元素的总宽度也是250px。</div>
</body>
</html>
 
 
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运行结果
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