Bootstrap Well

Well provides a grey background and padding around an element.In this example .well-lg  and .well-sm classes are used to make a big or small size wells

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Bootstrap Well Example</title>
    <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
    <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</head>
<body>
    <div class="container">
        <h2>Well</h2>
        <div class="well well-lg">large Well</div>
    </div>
    <div class="container">
        <h2>Well</h2>
        <div class="well well-sm">small Well</div>
    </div>
</body>
</html>

Output