代码编辑器：
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<meta charset="utf-8">3
<meta name="viewport" content="width=device-width, initial-scale=1">4
<link rel="stylesheet" href="https://cdn.bootcss.com/foundation/5.5.3/css/foundation.min.css">5
<script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>6
<script src="https://cdn.bootcss.com/foundation/5.5.3/js/foundation.min.js"></script>7
<script src="https://cdn.bootcss.com/foundation/5.5.3/js/vendor/modernizr.js"></script>8
<div style="padding:20px;">9
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<h2><fieldset></h2>11
<form>12
<fieldset>13
<legend>fieldset Legend</legend>14
<label>Name15
<input type="text" placeholder="First Name..">16
</label>17
<label>Email18
<input type="text" placeholder="Enter email..">