image is-4by3 mb-6 is too big code example
Example: how to resize image in bulma
<figure class="image is-128x128">
<img src="https://bulma.io/images/placeholders/256x256.png">
</figure>
<figure class="image is-128x128">
<img src="https://bulma.io/images/placeholders/256x256.png">
</figure>