JSFiddle - React, Tailwind, and code Playground
by kougiland
HTML
<menu>
<li class=thing_inside_1></li>
<li class=thing_inside_2></li>
<li class=thing_inside_3></li>
<li class=thing_inside_4></li>
</menu>
CSS
li{
width:32px;
height:32px;
}
JavaScript
$("[class^=thing]").css({"background-color": "red"});