div {
	font-family: Helvetica, sans-serif;
	font-weight: bold;
}
#container {
	width: 600px;
	height: 300px;
	border: 2px solid #808080; 
	display: -moz-box;
	display: -webkit-box;
	display: box;
	-moz-box-orient: vertical;
	-webkit-box-orient: vertical;
	box-orient: vertical;
}
#box1 {		
	background-color: #ff9999;
	height: 50px;
}
#box2 {	
	background-color: #ffff66;
	height: 100px;
}
#box3 {
	background-color: #99ffcc;
	height: 50px;
}