菜鸟教程在线编辑器

AI 编程工具
 
                <!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container-fluid mt-3">
  <h2>设置某一列宽度</h2>
  <p>如果只设置一列的宽度，其他列会自动均分剩下的宽度。 以下实例将列宽度为 25%、50%、25%：</p>
  <div class="row">
    <div class="col bg-success">.col</div>
    <div class="col-6 bg-warning">.col-6</div>
    <div class="col bg-success">.col</div>
  </div>
</div>

</body>
</html>
              