Answers for "botstrap center img"

bootstrap 4 center image

/* used mx-auto d-block */

<img class="mx-auto d-block" src="https://www.w3schools.com/bootstrap4/paris.jpg" alt="https://www.w3schools.com/bootstrap4/paris.jpg"/>

align img bootstrap

<div class="text-center">
  <img src="..." class="rounded" alt="...">
</div>