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<!DOCTYPe html>
<meta charset='utf-8'>
<title>drag and drop – feedback overlay of elements partly outside the viewport – 005</title>
div {
display: block;
height: 200px;
width: 200px;
background-color: blue;
position: absolute;
top: 10px;
right: -100px;
p {
margin-right: 200px;
<div draggable="true" ondragstart="event.dataTransfer.effectAllowed ='copy'"></div>
<p>Drag the blue box on the right. The drag placeholder should ideally be a blue square. It may optionally be a rectangle the same shape as the visible part of the blue box. No part of the UI should be dragged with the box.</p>