<style>
    .error { background-color:red; color:white; padding:10px; }
</style>
<section class="content" id="old-browser-warning" style="display:none;">
    <p class="error"><?= $app->escape($i18n['old_browser_warning']) ?></p>
</section>
<script nomodule>
    // Validates with [jshint]
    (function() {
        'use strict';
        document.addEventListener('DOMContentLoaded', function() {
            document.getElementById("old-browser-warning").style.display = "";
            var buttons = document.qu