<p>
  <button>Focusable element before</button>
</p>
<div class="carousel" data-adg-carousel="my-carousel">
  <h1 class="visually-hidden">
    Flowers (carousel)
  </h1>
  <p class="visually-hidden">
    Carousel help: use the carousel controls to toggle the visibility of their respective panels (below the controls).
  </p>
  <fieldset class="controls">
    <legend class="visually-hidden">Carousel controls</legend>
    <div class="control">
      <button aria-pressed="true" data-carousel-autoplay="" data-ca