*{
	margin:0px;
	padding:0px;
}
header, section, footer, aside, nav, article, hgroup{
	display:block;
}
body{
	text-align:center;
	background:#C0C0C0;
}
header{
	font: normal 30px Verdana;
	color: #000080;
	padding: 20px;
}
article{
	font: 16px Verdana;
	padding: 20px;
}
#big_wrapper{
	
	width:1000px;
	margin: 20px auto;
	text-align:left;
}