JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="box"></div>
    <div class="box"></div>
    <div class="box green"></div>
    <div class="box"></div>
</div>

CSS

.container {
    display: flex;
}

.box {
    width: 100px;
    height: 100px;
    margin: 10px;
    background-color: #333;
}

.green {
    background-color: #298c29;
    order: 1;
}