#titulo {
  background-color: #61ad47;
  margin-top: -64px;
  height: 87px;
  text-align: center;
}

#menu {
  background-color: rgba(255, 0, 0, 0.55);
  text-align: center;
  width: 175px;
  height: 744px;
  margin-top: 10px;
}

#contenido {
  background-color: rgba(0, 255, 255, 0.55);
  margin-left: 186px;
  margin-top: -744px;
  height: 744px;
  font-family: Arial;
  text-align: justify;
}

#cuerpo {
  background-color: rgba(102, 102, 102, 0.55);
  margin-top: 77px;
}

div.divimg {
  text-align: center;
}