body {background-color:#ccddff;}

	#content {width:550px; margin: 0 auto 2em auto; padding:10px; background-color:white; border:1px solid gray;}

	h1 {text-align:center}
	h2 {text-align:center}
	h3 {padding-left:2em; font-size:smaller; font-weight:bold;}
	h4 {text-align:center}
	h4 + h4 {font-weight: normal; font-size:100%; margin-top:0;}
	h4 {margin-bottom:0;}
		
	.nav_prev {font-size:smaller;}
	.nav_next {font-size:smaller;}
		
	#header {width:700px; margin: 0 auto 2em auto;}
	#header #site {float:left; text-align:left;}
	#header #backlink {float:right; text-align:right;}