a:link        {color: black}
a:visited     {color: gray}
a:active      {color: black}
a.mar:link    {color: #000099}
a.mar:visited {color: gray}
a.mar:active  {color: black}
a.site:link    {color: #990000}
a.site:visited {color: gray}
a.site:active  {color: black}
a.con:link    {color: #FF6633}
a.con:visited {color: gray}
a.con:active  {color: black}
a.fin:link    {color: #009933}
a.fin:visited {color: gray}
a.fin:active  {color: black}
a.proj:link    {color: #660099}
a.proj:visited {color: gray}
a.proj:active  {color: black}