lting html is as small as possible. The <code>html_vignette</code> format:</p>
<ul>
<li>Never uses retina figures</li>
<li>Has a smaller default figure size</li>
<li>Uses a custom CSS stylesheet instead of the default Twitter Bootstrap style</li>
</ul>
<div id="vignette-info" class="section level2">
<h2 class="hasAnchor">
<a href="#vignette-info" class="anchor"></a>Vignette Info</h2>
<p>Note the various macros within the <code>vignette</code> section of the metadata block above. These are required in order 