JSFiddle - React, Tailwind, and code Playground

HTML

Hello world 1

<div id="hamburger-open"><span class="spans" id="spanOne"></span><span class="spans" id="spanTwo"></span><span class="spans" id="spanThree"></span></div>
<div class="modal-menu">
  <h2 class="menuitem"><a href="/index.html">Главная</a></h2>
  <h2 class="menuitem"><a href="/o_tovare.html">О товаре</a></h2>
  <h2 class="menuitem"><a href="/otziv.html">Отзывы</a></h2>
  <h2 class="menuitem"><a href="/faq.html">Вопросы и ответы</a></h2>
  <h2 class="menuitem"><a href="/o_kompanii.html">О нас</a></h2>
</div>
<script>
const body = document.querySelector('body');
body.prepend(document.querySelector('#hamburger-open'));
body.prepend(document.querySelector('.modal-menu'));
</script>
 
Hello world 2