<div class="image-wrapper">
  <img src="../themes/fluid/assets/images/dummy.jpg" class="img-thumbnail" alt="Cinque Terre">
</div>
              

<div class="image-wrapper">
  <img src="../themes/fluid/assets/images/dummy.jpg" class="rounded" alt="Cinque Terre">
</div>
              

<div class="image-wrapper">
  <img src="../themes/fluid/assets/images/dummy.jpg" class="rounded-circle" alt="Cinque Terre">
</div>