#contenido {
  voice-family: female;
}
#cabecera, #pie, h1, h2, h3, h4, h5, h6, blockquote {
  voice-family: announcer, male;
}
h1, h2, h3, h4, h5, h6 {
  elevation: above;
}
acronym, abbr {
  speak: spell-out;
}