html {
  font-family: sans-serif;
  font-size: max(3ch, 2vw + 3vh);
  line-height: 1.618;
}

body {
  margin: 0;
  overflow-wrap: anywhere;
}

article {
  display: flex;
  flex-flow: column;
  margin: auto;
}

h1 {
  align-items: center;
  justify-content: center;
  display: flex;
  margin: 0;
  min-height: 100vh;
  order: 101;
}

p {
  margin: auto;
  margin-bottom: 1em;
  padding: 1em;
  max-width: 15em;
}

a {
  border-radius: 20% 20% 30% 30%;
  border: thick groove;
  display: inline-flex;
  padding: 1ex;
}

ins {
  text-decoration: wavy overline;
}

del {
  font-size: max(1ch, 16pt);
  text-decoration-style: double;
}

p {
  text-transform: lowercase;
}

.papillon {
  align-items: center;
  box-sizing: border-box;
  display: flex;
  flex-direction: row;
  margin: auto;
  padding: 1ch;
  max-width: 62vw;
  min-height: 100vh;
}

.caterpillar {
  align-items: center;
  box-sizing: border-box;
  display: flex;
  flex-flow: row wrap;
  margin: auto;
  max-width: 62vw;
  min-height: 100vh;
}

.caterpillar p {
  margin: auto;
  flex-basis: 10%;
}

@media (orientation: portrait) {
  .papillon {
    justify-content: center;
    flex-direction: column;
    max-width: none;
  }

  .capo {
    align-items: flex-start;
    flex-flow: column;
  }

  h1 {
    writing-mode: vertical-lr;
  }
}