Bootstrap 实例

<!doctype html>
<html lang="en">
  <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>Bootstrap 实例 - 排版</title>

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">

</head>
  <body>
    
<div class="container">
  <h2>表格</h2>
  <p> .danger 类表示一个危险的操作:</p>                                                                                
  <table class="table">
    <thead>
      <tr>
        <th>#</th>
        <th>Firstname</th>
      </tr>
    </thead>
    <tbody>
      <tr class="danger">
        <td>1</td>
        <td>Anna</td>
      </tr>
      <tr>
        <td>2</td>
        <td>Debbie</td>
      </tr>
      <tr>
        <td>3</td>
        <td>John</td>
      </tr>
    </tbody>
  </table>
</div>