html,body {
	padding: 0;
	margin: 0;
	width: 100%;
}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{
	display: block;
}
body{
	display: -webkit-box;
	-webkit-box-pack: center;
	
	display: -moz-box;
	-moz-box-pack: center;
	
	display: box;
	box-pack: center;
}
p{
	display: inline-block;
}

.big_wrapper {
	max-width: 1000px;
	
	display: -webkit-box;
	-webkit-box-orient: vertical;
	
	display: -moz-box;
	-moz-box-orient: vertical;
	
	display: box;
	box-orient: vertical;
}
.top_header{
	padding: 20px;
}
.container{
	display: -webkit-box;
	-webkit-box-orient: horizontal;
	
	display: -moz-box;
	-moz-box-orient: vertical;
	
	display: box;
	box-orient: vertical;
}
.main_section{
	-webkit-box-flex: 1;
	-moz-box-flex: 1;
	box-flex: 1;
	padding: 20px;
}