Bootstrap 4卡标题内的样式导航选项卡

要在Bootstrap 4的卡标题内设置导航选项卡的样式，请使用.card-header-tabs并创建导航选项卡，如下例所示-

以下是在Bootstrap 4卡标题内设置导航选项卡样式的示例-

示例

<!DOCTYPE html>
<html lang="en">
  <head>
    <title>Bootstrap Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
    <script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
  </head>

<body>
  <div class="container">
    <h2>IDE</h2>
    <div class="card">
      <div class="card-header">
        <ul class="nav nav-tabs card-header-tabs">
          <li class="nav-item">
            <a class="nav-link active" href="#">Eclipse IDE</a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">NetBeans IDE</a>
          </li>
       </ul>
      </div>
      <div class="card-body">
        <h5 class="card-title">Eclipse IDE Introduction</h5>
        <p class="card-text">Eclipse is a widely used Java IDE.</p>
      </div>
    </div>
 </div>
</body>
</html>

基础教程