JSFiddle - React, Tailwind, and code Playground

HTML

<p class="question1">Question 1:</p>
<p>i want <em>know <span>more</span></em> about <span>selectors</span></p>

<p class="question2">Question 2:</p>
http://www.w3.org/TR/css3-selectors/#attribute-substrings

CSS

p span { color: blue; }
p > span { color: red; }

p[class*="question"] { color: green; }