JSFiddle - React, Tailwind, and code Playground
HTML
<div id="whatever">Some text </div>CSS
#whatever:after {
content:"\24B6";
display: inline-block;
-webkit-transform: rotate(30deg);
-moz-transform: rotate(30deg);
-o-transform: rotate(30deg);
-ms-transform: rotate(30deg);
transform: rotate(30deg);
}