7 <div id=
"target" style=
"width: 500px; height: 500px; background-color: blue;"></div>
8 <div style=
"width: 300px; height: 300px; position: absolute; left: 20px; top: 400px; background-color: purple; z-index:1000">
9 <div style=
"width:100px; height:100px; position:relative; left:10px; top:10px; transform:translateZ(0); background-color:yellow"></div>