html,
body {
  max-width: 100%;
  height: 100%;
}
.mapa {
  font-weight: 600;
  color: #f82f2f;
  margin: 30px;
  text-align: center;
  position: relative;
}
#map {
  display: block;
  position: relative;
  max-width: 1280px;
  height: 780px;
  margin: 10px auto 60px;
  z-index: 0;
}