<aside>
tag
HTML5
Represents content tangentially related to the main content, such as a sidebar.
Syntax
<aside> ... </aside>
Example
html
<div class="layout">
<main>
<article><h1>Main Article</h1><p>...</p></article>
</main>
<aside>
<h2>Related Articles</h2>
<ul>
<li><a href="/post/2">Related Post 1</a></li>
<li><a href="/post/3">Related Post 2</a></li>
</ul>
</aside>
</div>