.normal {
	font-family: MS Sans Serif,Tahoma,Sans Serif ;
	font-size:14px;
}
.topic {
font-family: MS Sans Serif, Tahoma , Sans Serif ;
font-size: 18px ;
}
.err {font-family:MS Sans Serif; font-size:18px; 
background-color:#FFFFCC; font-weight:bold; color:red;}