d */
.nav {}
.author {}
</code></pre>

<h4 id="ID_and_Class_Name_Delimiters" class="numbered">Class Name Delimiters</h4>

<p>Separate words in class names by a hyphen.</p>

<p>Do not concatenate words and abbreviations in selectors by any characters
(including none at all) other than hyphens, in order to improve understanding
and scannability.</p>

<pre><code class="language-css bad">/* Not recommended: does not separate the words “demo” and “image” */
.demoimage {}

/* Not recommended: uses undersc