<div class="container">
<ul>
<li>1つ目のP要素</li>
<li>2つ目のP要素</li>
<li>3つ目のP要素</li>
<li>4つ目のP要素</li>
<li>5つ目のP要素</li>
</ul>
</div>
.container ul li:nth-child(3) {
color: red;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.