JSFiddle - React, Tailwind, and code Playground
HTML
<html>
<body>
<dl>
<dt>term 1</dt>
<dd>def 1a</dd>
<dd>def 1b</dd>
</dl>
<ul>
<li>term 1</li>
<li>term 2</li>
</ul>
<ol>
<li>term 1</li>
<li>term 2</li>
</ol>
</body>
</html>
CSS
/* DD & DT elements ARE valid children of DL */
DL > DD { color: red; }
DL > DT { color: silver; }
/* INVALID: DD elements ARE NOT valid a children of DT */
DT > DD { font-weight: bold;}
OL > LI {color: orange;}
UL > LI {color: blue;}