App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3-colors-metro.css">
<body>
    <div class="w3-container">
        
      <h1>运用 w3-colors-metro</h1>
      
      <div class="w3-panel w3-metro-dark-red">
        <h2>伦敦</h2>
        <p>伦敦是英国人口最多的城市，其都市区人口超过900万。</p>
      </div>
    
    </div>
</body>
</html>
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