body {
  font-family: monospace;
}

@media (orientation: portrait) {
  h1 {
    font-size: 13vw;
    margin: 0;
  }
}

@media (orientation: landscape) {
  h1 {
    font-size: 5vw;
    margin: 0;
  }
}

h1, h2, h3, h4, h5 {
  margin-top: 0;
  margin-bottom: 0;
}