JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<div class="container">
	<div class="row">
		<div class="col-xs-5">
			<div class="row">
				<div class="col-xs-6 column">Column 1</div>
				<div class="col-xs-6 column">Column 2</div>
			</div>
		</div>
    
		<div class="col-xs-7">
			<div class="row">
				<div class="col-xs-4 column">Column 3</div>
				<div class="col-xs-4 column">Column 4</div>
				<div class="col-xs-4 column">Column 5</div>
			</div>
		</div>
	</div>
</div>

CSS

.column {
    border: 1px solid;
}