<div class="swiffy-slider">
  <ul class="slider-container">
    <li><img src="https://source.unsplash.com/49b9l_29ceA/1600x900" style="max-width: 100%;height: auto;"></li>
    <li><img src="https://source.unsplash.com/nKAglN6HBH8/1600x900" style="max-width: 100%;height: auto;"></li>
    <li><img src="https://source.unsplash.com/E9ZwWcMGzj8/1600x900" style="max-width: 100%;height: auto;"></li>
  </ul>

  <button type="button" class="slider-nav"></button>
  <button type="button" class="slider-nav slider-nav-next"></button>

  <div class="slider-indicators">
    <button class="active"></button>
    <button></button>
    <button></button>
  </div>
</div>