<aside>
<p>Sidebar goes here.</p>
</aside>
<aside>
<p>Sidebar goes here.</p>
</aside>
/* No context defined. */
The aside (an <aside> element with a role attribute of complementary)
is displayed above the main element on mobile
devices and as a left sidebar on large tablets and desktop devices. In practical
usage, the aside may contain a secondary navigation (a page’s table of contents)
or other supporting content which remains meaningful without the main content.