a:link.liennav {
   font-family: Arial, Helvetica, sans-serif;
   color: #FFFFFF;
   text-decoration: none;
}
a:visited.liennav {
   font-family: Arial, Helvetica, sans-serif;
   color: #FFFFFF;
   text-decoration: none;
}
a:hover.liennav {
   font-family: Arial, Helvetica, sans-serif;
   color: #FFFFFF;
   text-decoration: underline;
}
a:link.lienbig {
   font-family: Arial, Helvetica, sans-serif;
   font-size: 18px;
   color: #FFFFFF;
   text-decoration: none;
}
a:visited.lienbig {
   font-family: Arial, Helvetica, sans-serif;
   font-size: 18px;
   color: #FFFFFF;
   text-decoration: none;
}
a:hover.lienbig {
   font-family: Arial, Helvetica, sans-serif;
   font-size: 18px;
   color: #FFFFFF;
   text-decoration: underline;
}