dt {  font-size: 18px; font-weight: bold; font-variant: small-caps; color: #660000}
th {  font-size: 24px; color: #330066; background-image: url(images/graytexturebg.gif)}
.figure {  font-size: 12px; font-weight: normal; font-style: italic}
.challenge1 {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 24px;
	font-variant: small-caps;
	color: #990000;
	font-weight: bold;
}
.challenge2 {
	font-family: Georgia, "Times New Roman", Times, serif;
	font-size: 18px;
	font-style: italic;
	color: #330066;
	font-weight: bold;
}