<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/lib/bootstrap.min.css">
<script src="/lib/jquery-1.12.2.min.js"></script>
<script src="/lib/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Justified Button Groups</h2>
<div class="btn-group btn-group-justified">
<div class="btn-group">
<button type="button" class="btn btn-primary">Apple</button>
</div>
<div class="btn-group">
<button type="button" class="btn btn-primary">Samsung</button>
</div>
<div class="btn-group">
<button type="button" class="btn btn-primary">Sony</button>
</div>
</div>
</div>
</body>
</html>