.texto {font-family: arial; font-size: 12px; color: black;}
   .titulo {font-family: arial; font-size: 20px; color: black;}
.subtitulo {font-family: arial; font-size: 14px; color: black;}

a {font-family: arial; font-size: 12px; color: blue; font-weight:bold; text-decoration:underline;}

a.titulo {font-family: arial; font-size: 20px; color: black; font-weight:bold; text-decoration:underline;}
a.titulo:hover {font-family: arial; font-size: 20px; color: silver; font-weight:bold; text-decoration:none;}