 body 
 {
	margin: 0;
	padding: 0;
	overflow: hidden;
	height: 100%;
	max-height: 100%;
	font-family:Sans-serif;
	line-height: 1.5em;
 }

 #header 
 {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 18%;
	overflow: hidden;  /* mDisables scrollbars on the header frame. To enable scrollbars, change "hidden" to "scroll" */
	background: #a6db3b; 
 }
 main 
 {
 	position: fixed;
 	
 	top: 18%; 			/* Set this to the height of the header */
 	left: 0%;
 	heigth: 50%;
 	right: 0;
 	width: 100%;
 	bottom: 3%;
 	
 	background: #DAE9BC;
 	overflow-y: auto;
 	overflow-x: auto;
 	margin:0;
	padding:0;
 }