<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>
<div class="container mt-3">
<h1>排版</h1>
<p class="text-left">左对齐文本。</p>
<p class="text-end">右对齐文本。</p>
<p class="text-center">居中对齐的文本。</p>
<p class="text-nowrap">不换行的文本。不换行的文本。不换行的文本。不换行的文本。</p>
</div>
</body>
</html>