<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap grid system</title>
<meta charset="utf-8"/>
<meta http-equiv="X-UA-COMPATIBLE" content="IE=Edge"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<link rel="stylesheet" href="../css/bootstrap.css"/>
<link rel="stylesheet" href="styles.css" />
<!--[if lt IE 9]>
<script src="../js/html5shiv.3-7-0.js"></script>
<script src="../js/respond.1-4-2.min.js"></script>
<![endif]-->
<style type="text/css">
.container {
background-color: #fcf8ff;
}
</style>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-xs-12 col-sm-6 col1">
<h4>Column 1</h4>
</div>
<div class="col-xs-12 col-sm-6 col2">
<h4>Column 2</h4>
</div>
</div>
<div class="row">
<div class="col-xs-12 col-sm-6 col3">
<h4>Column 3</h4>
</div>
<div class="col-xs-12 col-sm-6 col4 col-">
<h4>Column 4</h4>
</div>
</div>
</div>
<!-- https://ajax.googleapis.com/ajax/libs/jquery/1.11.1.jquery.min.js -->
<script src="../js/jquery-1.11.2.min.js"></script>
<script src="../js/bootstrap.js"></script>
</body>
</html>