.titulos_navegacao{
font-family: Tahoma;
font-size: 11px;
color: #000000;
font-weight: bold;
border-left: none;
border-right: none;
border-top: 6px solid #FFFFFF;
border-bottom: none;
background:url(../imagens/fundo.jpg);

width: 98%;
}
.links_titulos{
color: #0066cc;
text-decoration: none;
}

.links_titulos2{
color: #0066cc;
text-decoration: none;
}