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
<div class="row">6
<h2>网格 - 嵌套列</h2>7
<p>列中插入列</p>8
<div class="small-8 columns" style="background-color:yellow;">.small-89
<div class="row">10
<div class="small-8 columns" style="background-color:lightcyan;">.small-8 Nested11
<div class="row">12
<div class="small-8 columns" style="background-color:lightblue;">.small-8 Nested Again</div>13
<div class="small-4 columns" style="background-color:lightgreen;">.small-4</div>14
</div>15
</div>16
<div class="small-4 columns" style="background-color:lightgray;">.small-4</div>17
</div>18
</div>