try_w3examples_175 在线代码实例

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<!DOCTYPE html>
<html>
<head>
    <title>W3.CSS(w3cschool.cn)</title>
    <meta name="viewport" content="width=device-width, initial-scale=1" charset="UTF-8">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
</head>
<body>
<div class="w3-container">
    <h2>网格中的表单元素</h2>
    <p>在此示例中，我们使用W3.CSS的自适应网格系统使输入显示在同一行上（在较小的屏幕上，它们将以100％的宽度水平堆叠）。稍后您将详细了解。</p>
</div>
<div class="w3-row-padding">
    <div class="w3-third">
        <input class="w3-input w3-border" type="text" placeholder="一">
    </div>
    <div class="w3-third">
        <input class="w3-input w3-border" type="text" placeholder="二">
    </div>
    <div class="w3-third">
        <input class="w3-input w3-border" type="text" placeholder="三">
    </div>
</div>
</body>
</html>
 
 
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运行结果
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