body > div#topdiv {
  position: fixed;
}
body > div#crazydiv {
  position: fixed;
}
body > div#hoverdiv {
  position: fixed;
}
  #topdiv {
	height: 20px;
	width: 100%;
	position: absolute;
	left: 0px;
	top: 0px;
	background-image:url(https://www.realestatechampions.com/test/clearness.gif);
	margin:0px;
	z-index:4;
	display:block;
}
#crazydiv {
	height: 200px;
	width: 200px;
	position: absolute;
	left: 0px;
	top: 0px;
	margin:0px;
z-index:2;
display:none;
}
#hoverdiv {
	position:absolute;
	top: 305px;
	left: 50%;
	margin-top: -298px;
	margin-left: -300px;
	width: 421px;
	z-index:5;
	display:none;
}