Любое CSS, связанные с галереей
<figure class="wp-block-gallery blocks-gallery-grid has-nested-images columns-default is-cropped">
<figure class="wp-block-image size-large">
<img
src="https://localhost/image1"
alt="Image gallery image"
class="wp-image-71"
/>
</figure>
<figure class="wp-block-image size-large">
<img
src="https://localhost/image2"
alt="Image gallery image"
class="wp-image-70"
/>
</figure>
</figure>
Puzzled Pig