.back-superior{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-position: center left;
  background-size: 35%;
  background-repeat: no-repeat;
  background-image: url(/static/assets_valentine/images/globo-1.png);
}
.back-inferior-der{
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-position: top right;
  background-size: 35%;
  background-repeat: no-repeat;
  background-image: url(/static/assets_valentine/images/globo-2.png);
}
.back-inferior-izq{
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-position: bottom left;
  background-size: contain;
  background-repeat: no-repeat;
  background-image: url(/static/assets_valentine/images/nubes.png);
}
.contenido {
  margin: 1em;
  text-align: center;
  z-index: 100;
}
.good{
  font-family: 'Abril Fatface', cursive;
  font-size: 2rem;
}
.next_stage{
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.contenido img{
  width: 20%;
}
.contenido a {
  background-color: #431418;
  padding: 0.3em 2em;
  border-radius: 20px;
  text-decoration: none;
  color: #ffffff;
  font-weight: 400;
  font-family: 'Oswald', sans-serif;
  cursor: pointer;
  display: inline-block;
}
@media (min-width: 425px) {
  .back-superior,
  .back-inferior-der,
  .back-inferior-izq {
    border-radius: 20px;
  }
}