TODO.md

• don't use H-tags inside listing block, the block it self should be a list and the content should not use headline's.

Styling

• improve the styles for the imageGallery listing variation (the image grid).
• improve the styles for the listing block's image list (the summary variation — list items with a preview image).

Done

• leadimage block (Volto core "Lead Image Field") — rendered in Classic UI.
• imageGallery (Volto core listing variation) — rendered in Classic UI as an image grid.