<tr class="active">, <tr class="success"> で行ごとに背景色が変わらない(bootstrap)

html
1
2<!doctype html>
3<html lang="en">
4  <head>
5    <!-- Required meta tags -->
6    <meta charset="utf-8">
7    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
8
9    <!-- Bootstrap CSS -->
10    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
11
12    <title>Hello, world!</title>
13  </head>
14  <body>
15
16    <div class="container">
17      <div class="table-responsive">
18      <table  class="table table-bordered table-hover table-condensed">
19      <thead>
20          <tr class="active">
21            <th>#</th>
22            <th>First Name</th>
23            <th>Last Name</th>
24            <th>Username</th>
25          </tr>
26       </thead>
27         <tbody>
28           <tr class="success">
29            <td>1</td>
30            <td>Mark</td>
31            <td>Otto</td>
32            <td>@mdo</td>
33
34
35           </tr>
36           <tr >
37            <td>2</td>
38            <td>Jacob</td>
39            <td>Thornton</td>
40            <td>@fat</td>
41
42
43           </tr>
44           <tr>
45      <td>3</td>
46      <td>Larry</td>
47      <td>the Bird</td>
48      <td>@twitter</td>
49    </tr>
50  </tbody>
51</table>
52</div>
53</div>
54
55    <!-- Optional JavaScript -->
56    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
57    <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
58    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
59    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
60  </body>
61</html>
62

<tr class="active">, <tr class="success"> で背景色が変わりません。(Chrome) 　 <table class="table table-bordered table-hover table-condensed">などは、反映されていたため bootstrap　自体は読み込めていると思います。　※理解が違ったらすいません。

アドバイス頂けると助かります。