try_w3reference_87 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>
<form class="w3-container">
    <h2>输入表格</h2>
    <br><label>姓名</label>
    <input class="w3-input" type="text">
    <br><label>邮箱</label>
    <input class="w3-input" type="text">
    <br><label>学科</label>
    <textarea class="w3-input"></textarea>
</form>
</body>
</html>
 
 
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运行结果
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