tryw3_css_case_3 在线代码实例

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<!DOCTYPE html>
<html lang="en">
<title>编程狮(w3cschool.cn)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
<body>
    
    <div class="w3-container  w3-light-grey">
      <h1>我的第一个W3.CSS网站!</h1>
      <p>这个网站会随着我们的增加而增长 ...</p>
    </div>
      <p>这是一个段落.</p>
      <p>这是另一个段落.</p>
      <p>这是一个段落.</p>
      <p>这是另一个段落.</p>
</body>
</html>
 
 
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运行结果
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