.posternav
{
    BORDER-RIGHT: #ccc 1px solid;
    PADDING-RIGHT: 1em;
    DISPLAY: inline;
    PADDING-LEFT: 1em;
    FONT-SIZE: 11px;
    BACKGROUND: #ececec;
    FLOAT: left;
    PADDING-BOTTOM: 1px;
    MARGIN: 0px;
    BORDER-LEFT: #ccc 1px solid;
    WIDTH: 180px;
    COLOR: #004a6f;
    PADDING-TOP: 1px;
    BORDER-BOTTOM: #d4d4d4 1px solid;
    FONT-FAMILY: Arial, Helvetica, Geneva, Swiss, SunSans-Regular;
    LIST-STYLE-TYPE: none;
    TEXT-DECORATION: none
}
.posternav:hover
{
    BORDER-RIGHT: #ccc 1px solid;
    PADDING-RIGHT: 1em;
    DISPLAY: inline;
    PADDING-LEFT: 1em;
    FONT-SIZE: 11px;
    BACKGROUND: #006699;
    FLOAT: left;
    PADDING-BOTTOM: 1px;
    MARGIN: 0px;
    BORDER-LEFT: #ccc 1px solid;
    WIDTH: 180px;
    COLOR: #ffffff;
    PADDING-TOP: 1px;
    BORDER-BOTTOM: #d4d4d4 1px solid;
    FONT-FAMILY: Arial, Helvetica, Geneva, Swiss, SunSans-Regular;
    LIST-STYLE-TYPE: none;
    TEXT-DECORATION: none
}
  .mathtitle {
  	color: #333333; 
	font-size: 72px; 
	font-weight: bold; 
	font-family: Arial, Helvetica, Geneva, Swiss, SunSans-Regular; 
	text-decoration: none
}
  .mathsubtitle {
  	color: #333333; 
	font-size: 50px; 
	font-weight: bold; 
	font-family: Arial, Helvetica, Geneva, Swiss, SunSans-Regular; 
	text-decoration: none
}
  .mathsubtitle2 {
  	color: #333333; 
	font-size: 30px; 
	font-weight: bold; 
	font-family: Arial, Helvetica, Geneva, Swiss, SunSans-Regular; 
	text-decoration: none
}