*{
	margin:0px;
	padding:0px;
}
h1{
	font: bold 20px Tahoma;
}
h1{
	font: bold 20px Tahoma;
}
header, section, footer, aside, nav, article, hgroup{
	display:block;
}
body{
	width:100%;
	display:-webkit-box;
	-webkit-box-pack: center;
}
#big_wrapper{
	max-width: 1000px;
	margin: 20px 0px;
	display:-webkit-box;
	-webkit-box-orient: vertical;
	-webkit-box-flex: 1;
}
#top_header{
	background: yellow;
	border: 3px solid black;
	padding: 20px;
}
#top_menu{
	border:red;
	background: blue;
	color: white;
	
}
#top_menu li{
	display:inline-block;
	list-style:none;
	padding:5px;
	font: bold 14px Tahoma;
}