/* CSS layout */
#masthead {
	width: 800px;
	margin-right: auto;
	margin-left: auto;
}
#top_nav {
	margin-right: auto;
	margin-left: auto;
	width: 800px;
}
#page_content {
	margin-right: auto;
	margin-left: auto;
	width: 800px;
}
#footer {
	margin-right: auto;
	margin-left: auto;
	width: 800px;
}