JSFiddle - React, Tailwind, and code Playground

by roddy

HTML

<div id="parent"><div class="thing"></div>
<div class="thing"></div>
<div class="thing"></div>
<div class="thing"></div></div>

CSS

.thing {
    width: 200px;
    height: 200px;
    float: left;
    background-color: cyan;
    border: 1px solid black;
    border-left: 0;
}
.thing:first-child {
    border-left: 1px solid black;
}