This would be straightforward, just adding a class to the post container. Except there is an edge case of a gallery where some media is described and other media is not. Maybe the solution is to apply either a .contained-undescribed-media or .contains-partially-described-media class depending on the case.
An admin might want to do custom CSS where they hide entire posts that have undescribed media. Idea from here:
https://toot.cat/@FiXato/109598506147585083
This would be straightforward, just adding a class to the post container. Except there is an edge case of a gallery where some media is described and other media is not. Maybe the solution is to apply either a
.contained-undescribed-mediaor.contains-partially-described-mediaclass depending on the case.