JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
<div class="container">
    <div class="col-sm-3 left">
        Left
    </div>
    <div class="col-sm-6 feed">
        Feed
    </div>
    <div class="col-sm-3 right">
        Right
    </div>
</div>

CSS

.left {
    background-color: Blue;
}
.feed {
    background-color: Red;
}
.right {
    background-color: Green
}