JSFiddle - React, Tailwind, and code Playground
by Dave Kerr
HTML
<ul>
<li attribute_name='a'>Test</li>
<li attribute_name='a'>Test</li>
<li attribute_name='b'>Test</li>
<li attribute_name='b'>Test</li>
</ul>
CSS
li:nth-child(3)
{
background:red;
}