为什么bootstrap框架导入后没有效果？

Question

为什么bootstrap框架导入后没有效果？

发布于
2016-11-24

以下是HTML代码，文件存放在本地：

<!DOCTYPE html>

<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <title>test</title>

    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
    <link rel="stylesheet" href="test.css"/>
</head>

<body>

    <div class="container">
        <div class="row">
            <div class="span2">asdasdasdasdasdasda</div>
            <div class="span10">asdadsasdasdasdasdasdasd</div>
        </div>
    </div>


    <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
    <script src="test.js"></script>
</body>
</html>

链接是官网上的，没有问题。
按照bootstrap的网格布局，最内层的两个div应该并列在一行，而在chrome下却出现这样的效果：
图片描述