h1 {
    text-align: center;
    font-weight: 700;
    color: black;
    text-transform: uppercase;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif
    
}

.navegacion-principal {
  background-color: blueviolet;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
@media (min-width: 768px) {
   .navegacion-principal {
        flex-direction: row;
   }
}
.contenedor {
  width: 30rem;
  margin-top: 0;
  margin-right: auto;
  margin-bottom: 0;
  margin-left: auto;
}

a {
  color: white;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-bg {
background-color: blueviolet;
}

.navegacion-principal a {
  text-decoration: none;

}

header {
    margin-top: 28px;
}

h2 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    text-align: center;
    font-weight: 700;
    font-size: 50px;
    margin-top: 30px;
    color: black;
    text-transform: uppercase;
}

@media (min-width: 480px ) {
  body {
    background-color: white;
  }
}

@media (min-width: 768px) {
  body {
    background-color: white;
  }
}

.img {
  text-align: center;
  color:black;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-weight: 700;
  margin-top: 20px;
  text-transform: uppercase;
}

.sobre {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  text-align: center;
  margin-top: 180px;
  font-weight: 700;
  color: white;
  flex-direction: row;
  justify-content: space-between;
}

.sombra {
  -webkit-box-shadow: 3px 7px 0px 52px rgba(255,255,255,0.5);
  -moz-box-shadow: 3px 7px 0px 52px rgba(255,255,255,0.5);
   box-shadow: 3px 7px 0px 52px rgba(255,255,255,0.5);
   background-color: rgb(36, 36, 36);
}

html {
  scroll-snap-type: y mandatory;
}

.sobre, .navegacion-principal {
  scroll-snap-align: center;
  scroll-snap-stop: always;
}