ous">
    <link href="https://getbootstrap.com/docs/4.0/examples/signin/signin.css" rel="stylesheet"
        crossorigin="anonymous" />
</head>

<body>
    <div class="container">
        <h1 class="form-signin-heading">Greetings from the REST API</h1>
        <div th:utext="${greeting}">..!..</div>
        <div class="mt-2">
            <button type="submit" th:onclick="put(true)">XHR request <b>with</b> the CSRF token</button>
            <button type="submit" th:onclick="put(false)">XHR request <b>withou