fixed css issues

app.css

@@ -5,6 +5,7 @@ li {
 	padding:1em;
 	border:1px solid black;
 	margin:1em;
+	color:initial;
 }
 
 li {

app.js

@@ -4,11 +4,9 @@ const lis = document.querySelectorAll('li');
 for (li of lis) {
 	li.addEventListener('dragstart', (event)=>{
 		currentDraggedItem = event.target;
-		event.target.classList.add('dragging');
 	})
 	li.addEventListener('dragover', (event)=>{
 		event.preventDefault()
-		event.stopPropagation()
 		event.target.classList.add('dragging');
 	})
 	li.addEventListener('dragleave', (event)=>{