html运行实例（bs_grid_ex）-搜寻教程库

代码示例：（标识：bs_grid_ex）
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/js/bootstrap.min.js"></script>
</head>
<body>
  
<div class="container-fluid mt-3">
  <h1>三个等宽列</h1>
  <p>提示：请尝试在行类中添加一个 class="col" 的新 div - 将创建四个等宽的列。</p>
  <div class="row">
    <div class="col p-3 bg-primary text-white">.col</div>
    <div class="col p-3 bg-dark text-white">.col</div>
    <div class="col p-3 bg-primary text-white">.col</div>
  </div>
</div>

</body>
</html>