html, body {
	margin: 0;
	padding: 0px;
	height: 100%;
	width: 100%;
	overflow: auto;
	background-color: #212527;
	color: #fff;
}
div.minimum_size {
	/* for mozilla */
	min-width: 800px;
	min-height: 550px;
	width: 100%;
	height: 100%;

	/* for IE */
	width: expression( Math.max(document.body.clientWidth, 800 ) + "px" );
	height: expression( Math.max(document.body.clientHeight, 550 ) + "px" );
}