html运行实例（bs_utility_spacing）-搜寻教程库

代码示例：（标识：bs_utility_spacing）

<!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.bundle.js"></script>
</head>
<body>

<div class="p-4">
  <h1>间距 Utility</h1>
  <p>使用 {property. {Sides} - {breakpoint} - {size} 类设置元素的间距。如果您希望填充或边距适用于所有屏幕尺寸，请省略断点。</p>
  <div class="pt-4 bg-warning">我只有上内边距 (1.5rem)</div>
  <div class="p-5 bg-success">我在所有边都有内边距 (3rem)</div>
  <div class="m-5 pb-5 bg-info">我在所有边都有外边距 (3rem) 和下内边距 (3rem)</div>
</div>

</body>
</html>