@media (orientation: landscape) {
  .landscape {
    display: block;
  }

  .portrait {
    display: none;
  }

  .link {
    border: 0.5vh solid white;
    border-radius: 0.5vh;
  }

  .back-to-intro {
    top: 2.5vh;
    left: 2.5vh;
  }

  .about-us {
    top: 2.5vh;
    right: 2.5vh;
  }
}