JSFiddle - React, Tailwind, and code Playground

by Chris Rebert

HTML

<div class="one"></div>
<br/>
<div class="two"></div>
<br/>
<div class="three"></div>

CSS

div {
    width: 100px;
    height: 100px;
}
.one {
    border-top: 4px solid\9;
}
.two {
    border-top: 4px solid \9;
}
.three {
    border-top: 4px solid;
}