<!--
  Copyright 2024 The Chromium Authors. All rights reserved.
  Use of this source code is governed by a BSD-style license that can be
  found in the LICENSE file.
-->
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width" />
    <title>Button dialog - basic example</title>
    <style>
      #container {
        width: 800px;
        height: 400px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-conte