JSFiddle - React, Tailwind, and code Playground

HTML

<ol>
<li>Hello</li>
<li>Hello</li>
<li>Hello</li>
</ol>

CSS

ol {
  list-style: none;
}
ol li:before {
   content: counter(item) ". ";
   counter-increment: item;
   background: #afafaf;
   -webkit-touch-callout: none;
   -webkit-user-select: none;
   -khtml-user-select: none;
   -moz-user-select: none;
   -ms-user-select: none;
   user-select: none;
}