# House our page within a Bootstrap Container Fluid Div

说明：

```
现在让我们确保页面里所有的内容都是响应式的。

让我们将 h3 元素放置于一个class属性为 container-fluid 的 div 元素中。

你的 div 元素应该有 class container-fluid。
确保你的每一个 div 元素都有一个闭合标签。
将你的 h3 元素嵌入到一个 div 元素中。
```

原始代码：

```
<h3 class="text-primary text-center">jQuery Playground</h3>
```

调试代码：

```
<div class="container-fluid">
<h3 class="text-primary text-center">jQuery Playground</h3>
</div>
```


---

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