Drag the opera logo into the rectangle.

/* Copyright (c) 2023 * * Developed by:netbax data */
/* https://www.netbax.net */
#div1, #div2{float:left;width:100px; height:45px; margin:0px;padding:20px;border:1px solid #960018;}

function allowDrop(ev) {  ev.preventDefault();}function drag(ev) {  ev.dataTransfer.setData("text", ev.target.id);}function drop(ev) {  ev.preventDefault();  var data = ev.dataTransfer.getData("text");  ev.target.appendChild(document.getElementById(data));}

<iframe src="https://www.netbax.net/pages/code/myshare/netbax2.html" width="550" height="550" 
frameborder="0"></iframe>