#whiteboard a.link_externo {
    background-color: transparent;
    text-decoration: underline;
    color: blue;
}

#conteudo a {
   color: #207F1F;
   text-decoration: underline;
}

#conteudo a.external {
    background: transparent url('../img/external.gif') no-repeat right;
    padding-right: 12px;
}

#conteudo a.link_learndo {
    color: #000;
}

#conteudo a:hover {
   color: #FFFFFF;
   background-color: #2BAD2B;
}

#conteudo a:hover.external {
    background: #2bad2b url('../img/external-white.gif') no-repeat right;
    padding-right: 12px;
}

#conteudo a:hover.link_learndo {
    background-color: transparent;
    color: #000;
}

#conteudo a:active {
   color: #00B000;
   background-color: transparent;
}

#conteudo a.retTopo {
    text-decoration: none;
}

#conteudo a.retTopo:hover {
   color: #207f1f;
   background-color: #fff;
   text-decoration: none;
}

#conteudo a.retTopo:active  {
   color: #00B000;
   background-color: transparent;
}