.main_text
{
	font-family: Arial, Helvetica, sans-serif;
	color: #000040; 
	font-size: 15px;
	font-weight : normal;
}

.heading
{
	font-family: Arial, Helvetica, sans-serif;
	color: #000040; 
	font-size: 16px;
	font-weight : bold;
}
.links
{
	font-family: Arial, Helvetica, sans-serif;
	color: #000040; 
	font-size: 15px;
	font-weight : bold; 
	text-decoration: underline; 
}

.nav
{
	font-family: Arial, Helvetica, sans-serif;
	color: #000040; 
	font-size: 15px;
	font-weight : bold; 
	text-decoration: none; 
}

.homework
{
	font-family: Arial, Helvetica, sans-serif;
	color: #000040; 
	font-size: 15px;
	font-weight : none; 
	text-decoration: none; 
}