body {
	margin: 0px;
	background-color: #AEAFB3;
	background-image: url(../images/lec_bg.gif);
	background-repeat: repeat-y;
	background-position: left top;
}
.topic {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
	color: #990000;
	text-decoration: none;
}
.desc {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #666666;
	text-decoration: none;
}
.std {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	color: #000000;
	text-decoration: none;
}