#mapa {
  margin-top: 25px;
  width: 400px;
  height: 400px;
  border: 1px solid #000000;
  background: url('../img/mapa.jpg') top left no-repeat;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 10px;
}

#mapa * {
  color: #000000;
  font-size: 11px;
}