title: Why first paragraph not taking this style p:first-child?
body: <p>Why first paragraph not taking this style <code>p:first-child</code></p>
  
  <pre><code>#content p:first-child {color:#4C4C4C;
  font-size:1.2em;
  font-weight:bold;
  line-height:1.8;
  margin-bottom:0.5em;}
  
  
  &lt;div id="content"&gt;
   &lt;h1&gt;Welcome&lt;/h1&gt;
     &lt;p&gt;first paragraph&lt;/p&gt;
     &lt;p&gt;second paragraph&lt;/p&gt;
     &lt;p&gt;third paragraph&lt;/p&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>How to select first paragraph from css?</p>