I have a draggable card. I have drop targets in a container div. If I drag the card over any other part of the page then then the card hovers over the page. If I try to hover the card over the drop box container it pushes it down the screen andrefuses to enter it.
You can see it in action here:
https://jqueryuiexperimentscratchpad-gedq.c9users.io/Click on the card stack to generate a card.
Why should a drag item refuse to enter one div but not another?