<div class="col-12 col-md-4 col-lg-4">
<div class="thumb-img">
<h3>Thumbnail</h3>
<img src="themes/custom/university_pro/assets/images/image-sample.jpg" alt="thumb-img">
</div>
</div>
<div class="col-12 col-md-4 col-lg-4">
<div class="rounded-img">
<h3>Rounded</h3>
<img src="themes/custom/university_pro/assets/images/image-sample.jpg" alt="rounded-img">
</div>
</div>
<div class="col-12 col-md-4 col-lg-4">
<div class="round-circle-img">
<h3>Round Circle</h3>
<img src="themes/custom/university_pro/assets/images/image-sample.jpg" class="round-circle-img">
</div>
</div>