.nav :link    {font-weight:bold;width:200px;padding-right:3px;text-decoration:none;color:black}
.nav :visited {font-weight:bold;width:200px;padding-right:3px;text-decoration:none;color:black}
.nav :hover   {font-weight:bold;width:200px;padding-right:3px;text-decoration:none;color:white;background-color:black}