Bootstrap Buttons Disabled State

Edit Code
<!DOCTYPE html>
<html>
<head>
    <title>Bootstrap Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>

    <h1>Buttons : Disabled state - Button element</h1>
    
    <div class="container-fluid">
        <button type="button" class="btn btn-lg btn-primary" disabled="disabled">Primary button</button>
        <button type="button" class="btn btn-default btn-lg" disabled="disabled">Button</button>
    </div>
    
</body>
</html>
Preview html View