Hello 
In the responsive editor, I think it would be helpful if there was a way to collapse an element’s top margin. Currently, it’s sometimes necessary to create an empty group that collapses in height to reduce extra space between elements (as shown on the Bubble homepage below)
Editor:
Desktop:
Mobile:
I’m not sure if it’s possible, but if there was a way to collapse an element’s top margin at a certain page width, that would save some time from having to create empty collapse groups with conditionals.
Would anyone else find this useful?