demo/standalone.html

<!DOCTYPE html>
<html lang="en">
    <head>
        <title>Messaging.js Dev Sandbox</title>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
        <script>
            window.__TEST_ENV__ = 'https://www.msmaster.qa.paypal.com';
        </script>
        <script
            src="https://cdn-op_only_json_00.static.engineering.dev.paypalinc.com/upstream/bizcomponents/stage/messaging.js"
            data-pp-account="9DZUAPZS6JM5E"
        ></script>
    </head>

    <body>
        <div
            class="messages"
            data-pp-message
            data-pp-amount="1000"
            data-pp-style-layout="text"
            data-pp-style-layout="black"
            data-pp-style-logo-type="primary"
            data-pp-style-logo-position="left"
        ></div>
        <script>
            paypal
                .Messages({
                    style: {
                        layout: 'text',
                        logo: {
                            type: 'none'
                        }
                    }
                })
                .render('.messages');
        </script>
    </body>
</html>