JSFiddle - React, Tailwind, and code Playground

HTML

<ol>
    <li><span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Placeat ea, obcaecati tempore omnis voluptatum cum blanditiis expeditaporro soluta praesentium.</span></li>
    <li><span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Placeat ea, obcaecati tempore omnis voluptatum cum blanditiis expeditaporro soluta praesentium.</span></li>
    <li><span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Placeat ea, obcaecati tempore omnis voluptatum cum blanditiis expeditaporro soluta praesentium.</span></li>
</ol>

CSS

li {
    position: relative;
}

li:before {
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    background: #ccc;
    border-radius: 2px;
}

li span {
    margin-left: 20px;
    display: inline-block;
    vertical-align: top;
}