What are the best methods for aligning images both horizontally and vertically in Bootstrap 4?

Currently utilizing the most recent version of Bootstrap 4, I have established a 400px div to contain images of heights ranging from 100px to 350px. Despite successfully centering the image horizontally with this code:

<img src="..." class="mx-auto d-block" alt="...">

I am now attempting to find the appropriate class to add in order to vertically center the image within the div as well.

Answer №1

To center the images on the y-axis, apply d-flex to the container and use my-auto on the images.

Fiddle

<div class="d-flex" style="height: 400px; border: 2px orange solid;"> 
  <img style="height: 300px; width: 300px;" src="https://images.pexels.com/photos/789141/pexels-photo-789141.jpeg?w=1260&h=750&auto=compress&cs=tinysrgb" class="mx-auto my-auto d-block" alt="Turtle pic">
  <img style="height: 200px; width: 200px;" src="https://images.pexels.com/photos/789141/pexels-photo-789141.jpeg?w=1260&h=750&auto=compress&cs=tinysrgb" class="mx-auto my-auto d-block" alt="Turtle pic">
</div>

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