JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
    <div id="left"></div>
    <div id="center"></div>
    <div id="right"></div>
</div>

CSS

#wrapper {
    float: left;
    width: 960px;
}

#left {
    background: #ec7404;
    float: left;
    margin: 20px 10px 0 20px;
    width: 150px;
    height: 400px;
}

#center {
    background: #BFBFBF;
    float: left;
    margin: 20px 10px 0 10px;
    width: 480px;
    height: 400px;
}

#right {
    background: #333;
    float: left;
    margin: 20px 20px 0 10px;
    width: 250px;
    height: 400px;
}