r and are placed in the position where their first child resides. The display contents have tabindex and should be focusable.">
  <div class="wrapper">
    <div id="div1B" style="display: contents" tabindex="0">
      <button id="order3B" style="order: 3">Order 3</button>
      <button id="order1B" style="order: 1">Order 1</button>
      <div id="div2B" style="display: contents" tabindex="0">
        <button id="order4B" style="order: 4">Order 4</button>
        <button id="order2B" style="order: 2">Order 2