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  <title>pre and code Example</title>
  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155;line-height:1.7}h1{margin:0 0 .75rem;font-size:1.25rem;color:#0f172a}pre{margin:0;padding:.75rem 1rem;background:#0f172a;color:#e2e8f0;border-radius:8px;font-size:.8125rem;line-height:1.6;max-width:420px;overflow-x:auto}code{font-family:ui-monospace,monospace}.hint{margin-top:1rem;font-size:.8125rem;color:#64748b;max-width:420px}</style>
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  <h1>Modern alternative: pre + code</h1>
  <pre><code>&lt;div class="container"&gt;
  &lt;p&gt;This is a paragraph inside a div.&lt;/p&gt;
&lt;/div&gt;</code></pre>
  <p class=hint>Escape angle brackets as &amp;lt; and &amp;gt; so the browser shows markup as text instead of rendering it.</p>
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HTML xmp Alternative — pre and code