JSFiddle - React, Tailwind, and code Playground

HTML

<b/#ñ%&/()!¢º`=">="">crap be gone</b> not bold<br/x"/>

<b/style=color:red;background:url("x.gif");/*="still.CSS*/ id="x"zz"<script class="x">tricky</b/ x=">"//> not bold

CSS

#x { font-style: italic; }
.x { text-decoration: underline; }