html, body {
	margin:0px;
	overflow:hidden; /* hide browser's main scrollbar */
	height:100%; /* make sure we'll use 100% of the page's height */
}

span#main_container {
	width:100%; /* make sure we'll use 100% of page's width */
	background-color:#FFFFFF; /* DO NOT REMOVE THIS; or you'll have issue w/ the scrollbar, when the mouse pointer is on a white space */
}