html运行实例（bs_ref_text-lowercase）-搜寻教程库

代码示例：（标识：bs_ref_text-lowercase）

<!DOCTYPE html>
<html>
<head>
  <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 mt-3">
  <h1>排版</h1>
  <p class="text-lowercase">Lowercased text.</p>
  <p class="text-uppercase">Uppercased text.</p>      
  <p class="text-capitalize">Capitalized text.</p>
</div>

</body>
</html>