.botones_index {  font-family: Arial, Helvetica, sans-serif; font-size: 12px; letter-spacing: 0em; color: #333333}
.texto_gris_abajo {  font-family: Arial, Helvetica, sans-serif; font-size: 10px; color: #666666; letter-spacing: 0em}
.textogris {  font-family: Arial, Helvetica, sans-serif; letter-spacing: 1px}