.body {
  background-image: url('../images/rock.jpg');
  background-position: 50% 50%;
  background-size: cover;
}

.map {
  position: relative;
  width: 100%;
  height: 100%;
  background-image: url('../images/map.png');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
  background-attachment: scroll;
}

.heading {
  font-family: Georgia, Times, 'Times New Roman', serif;
  color: #fff;
  text-align: center;
}

.hero {
  position: absolute;
  left: 50%;
  top: 50%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  width: 80vw;
  height: 80vh;
  min-height: 400px;
  min-width: 300px;
  margin-top: -40vh;
  margin-left: -40vw;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}

@media (max-width: 479px) {
  .hero {
    width: 80%;
    height: 80%;
  }
}