<!DOCTYPE html>
<html data-theme="light">
  <head>
    <meta charset="UTF-8" />
    <link
      rel="stylesheet"
      href="https://cdn.jsdelivr.net/npm/@picocss/pico@1/css/pico.min.css"
    />
    <title>Admin Bot</title>
  </head>
  <body>
    <main class="container">
      <article>
        <hgroup>
          <h2>Admin Bot</h2>
          <h3>
            { Challenge: "canvasbox", APP_URL: "<span id="appUrl"></span>" }
          </h3>
        </hgroup>
        <label for="url">URL:</label>
        <input