<!DOCTYPe html>
<meta charset='utf-8'>
<title>drag and drop – feedback overlay of elements partly outside the viewport – 006</title>
<style>
div {
  display: block;
  height: 200px;
  width: 200px;
  background-color: blue;
  position: absolute;
  top: -100px;
  right: -100px;
}

p {
 margin-right: 200px;
}
</style>

<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 twice as high and wide as the visible part of the blue box. It may optionally be a square the same size as the visible part of the blue box. No part of the UI should be dragged with the box.</p>