h1.center {
	text-align:center;
}

h2.center {
	text-align:center;
}

p.center {
	text-align:center;
}

p.tab {
	margin-left:2em;
}

pre.box {
	padding:1em;
	border:groove;
}

body {
	background-attachment:fixed;
	background-color:#C0C0C0;
  
}

#text {
	border-style:groove;
	padding: 2em 2em 2em 2em;
	color:#000000;
	background-color:#FFFFFF;
	background-position:top;
	margin:0em 4% 0em 4%;

}

#bottom {
	margin:0em 4% 0em 4%;
}
#idn1 {
  margin:0em 15% 0em 15%;
}