If you set a grid display with a white background, the highlighting of the placeholder text disappears which is reported in feedback as confusing:
A simple solution is to always put a lightgrey border around the placeholder block when the grid option is chosen, ie add
border: '1px solid lightgrey'
to the wp.element.createElement parameters in line 209 of js/u3a-event-blocks.js
If you set a grid display with a white background, the highlighting of the placeholder text disappears which is reported in feedback as confusing:![image](https://github.com/u3a-siteworks-development/u3a-siteworks-core/assets/34215865/3c7fa4c8-d9d0-4e0e-8f68-d9b432bb1241)
A simple solution is to always put a lightgrey border around the placeholder block when the grid option is chosen, ie add![image](https://github.com/u3a-siteworks-development/u3a-siteworks-core/assets/34215865/afc5de83-7b9f-4663-8919-3982a85ca0b8)
border: '1px solid lightgrey'
to the wp.element.createElement parameters in line 209 of js/u3a-event-blocks.js