hack for flashing background

app.css

@@ -20,9 +20,7 @@ li {
 	margin:1em;
 	color:initial;
 	background-color:white;
-}
+	transition: background-color 0.25s;
-
-li {
 	cursor:grab;
 	list-style:none;
 }

app.js

@@ -16,7 +16,7 @@ const attachDragEvents = (element)=>{
 	element.addEventListener('drop', (event)=>{
 		event.stopPropagation()
 		event.currentTarget.classList.remove('draggedOver');
-		event.target.closest('li').querySelector('ul').appendChild(currentDraggedItem)
+		event.currentTarget.querySelector('ul').appendChild(currentDraggedItem)
 	})
 }