orked on by many
different engineers. Class selectors should be preferred in all situations.</p>

<pre><code class="language-css bad">/* Not recommended */
#example {}
</code></pre>

<pre><code class="language-css good">/* Recommended */
.example {}
</code></pre>

<h4 id="Shorthand_Properties" class="numbered">Shorthand Properties</h4>

<p>Use shorthand properties where possible.</p>

<p>CSS offers a variety of
<a href="https://www.w3.org/TR/CSS21/about.html#shorthand">shorthand</a>
properties (like <code>f