@charset "utf-8";
/* CSS Document */

div.box{
	width:100px;
	height:100px;
	<!--float:left;-->
	
}
div#container{
	width:600px;
	margin:0 auto;
	background-color:#999;
	display:flex;
	align-items: stretch;
	
}
.grey{
	background-color:#ccc;
	color:white;
}
.blue{
	background-color:blue;
	color:white;
}
.pxpadding{
	padding:10px;
}
.border{
	border:5px dashed red;
}
.aside{
	width:200px ;
}
.left{
	flex: 1 1 200px ;
}