JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://getbootstrap.com/dist/css/bootstrap.min.css">
<script src="http://getbootstrap.com/dist/js/bootstrap.js"></script>
<div class="row row1">
    <div class="col-md-12">
        <div class="test"></div>
    </div>
</div>

CSS

.row1{
    background-color:red;
}
.test{
    width:100px;
    background-color:green;
    height:100%;
}