<h1>Welcome</h1><p>This page contains <strong>rich HTML</strong> content including lists, images, and <em>styled text</em>.</p><ul><li>Item 1</li><li>Item 2</li></ul><p>Another paragraph with <a href='https://example.com'>a link</a> and some inline styles: <span style='color: red;'>red text</span>.</p>