ol#class_list {
	counter-reset: class;
	list-style-type: none;
}

ol#class_list li ol li {
	counter-increment: class 1;
	list-style-type: none;
}
ol#class_list li ol li:before {
	content: counter(class) ". ";
}

span.semester_title {
	font-weight: bold;
}


span.class_num {
	color: #0000aa;
	font-weight: bold;
}

span.class_descr {
	
}