Code
< !DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title></title>
<link ref="stylesheet" href="css/bootstrap.min.css" />
<script type="application/javascript" src="js/jquery-3.1.0.min.js"></script>
<script type="application/javascript" src="js/bootstrap.min.js"></script>
<style type="text/css">
div{background: #286090;}
</style>
</head>
<body>
<div class="container">
<h1>Container</h1>
</div>
<div class="container-fluid">
<h1>Container-fluid</h1>
</div>
</body>
</html>