body{
 margin: 0px;
 padding:0;
 background-color: #FFFFFF;
 }
 
div.container {
	position: relative;
	margin: 0 auto;
	width: 800px;
	height: 600px;
}

#layout-logo {
 position: absolute;
 top: 0px;
 left: 0px;
 width: 250px;
 height: 105px;
 z-index: 3;
}

#layout-background {
 position: absolute;
 top: 0px;
 left: 0px;
 width: 800px;
 height: 600px;
 z-index: 1; 
 }
#menu { 
 position: absolute;
 top: 10px;
 left: 600px;
 width: 190px;
 height: 400px;
 z-index: 2;
 }

#content-main{
 position: absolute;
 overflow: auto;
 top: 160px;
 left: 100px;
 width: 600px;
 height: 400px;
 z-index: 3; 
}