2-rail shell

Article-style layout: <main> with a single <aside> rail on the right. This is the default for wiki pages and any long-form content where the reader benefits from a sticky table of contents.

Markup

<div class="content">
  <main>…</main>
  <aside>…</aside>
</div>

Filler

Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Nullam quis risus eget urna mollis ornare vel eu leo. Vestibulum id ligula porta felis euismod semper.

Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Aenean lacinia bibendum nulla sed consectetur.