.hero {
  background-image: url("https://images.pexels.com/photos/574069/pexels-photo-574069.jpeg");
  background-size: cover;
  width: 100%;
  height: 400px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.hero__eslogan {
  color: #ffffff;
  font-weight: bold;
  font-size: 2rem;
  -webkit-text-stroke: 2px #000000;
  text-align: center;
  padding: 0px 25px;
}
.hero__boton {
  color: #ffffff;
  font-size: 1.3rem;
  text-align: center;
  padding: 20px;
  background-color: #48739e;
  margin-top: 75px;
  text-decoration: none;
}