_archive/mv2/api/water_alarm_notification/popup.html

<!-- Copyright 2017 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. -->
<html>
  <head>
    <title>Water Popup</title>
    <style>
      body {
        text-align: center;
      }

      #hydrateImage {
        width: 100px;
        margin: 5px;
      }

      button {
        margin: 5px;
        outline: none;
      }

      button:hover {
        outline: #80DEEA dotted thick;
      }
    </style>
    <!--
      - JavaScript and HTML must be in separate files: see our Content Security
      - Policy documentation[1] for details and explanation.
      -
      - [1]: https://developer.chrome.com/extensions/contentSecurityPolicy
     -->
  </head>
  <body>
      <img src='./stay_hydrated.png' id='hydrateImage'>
      <!-- An Alarm delay of less than the minimum 1 minute will fire
      in approximately 1 minute incriments if released -->
      <button id='sampleSecond' value='0.1'>Sample Second</button>
      <button id='15min' value='15'>15 Minutes</button>
      <button id='30min' value='30'>30 Minutes</button>
      <button id='cancelAlarm'>Cancel Alarm</button>
   <!-- link to non-persistent background script -->
   <script src="popup.js"></script>
  </body>
</html>