image link in bootstrap code example
Example 1: bootstrap img src
<img src="..." class="rounded mx-auto d-block" alt="...">
Example 2: img class bootstrap
<!-- Circuler Image -->
<img src="cinqueterre.jpg" class="img-circle" alt="Cinque Terre">
<!-- Image With some border-raduis property -->
<img src="cinqueterre.jpg" class="img-rounded" alt="Cinque Terre">
<!-- Image like thumbnail -->
<img src="cinqueterre.jpg" class="img-thumbnail" alt="Cinque Terre">