hum.css

html {
  font-family: sans-serif;
  font-size: max(2em, 2vmax + 2vmin);
  line-height: 1.618;
}

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

a {
  border-radius: 100%;
  font-size: max(2rem, var(--vol) * 1.618rem);
  display: inline-flex;
  text-decoration-line: line-through;
}

nav {
  align-items: center;
  box-sizing: border-box;
  contain: layout;
  display: flex;
  flex-flow: row wrap;
  justify-content: flex-end;
  margin: auto;
  margin-right: 10vw;
  min-height: 100vh;  
  padding: 20vh 10vw;
}

:nth-child(1n) { --vol: 1 }
:nth-child(2n) { --vol: 1.618 }
:nth-child(3n) { --vol: 2.618 }
:nth-child(odd) { text-decoration-style: double }
:nth-child(even) { text-decoration-style: dotted }
:focus { text-decoration-style: solid }
:hover { text-decoration-style: wavy }
:target a { transform: rotate(99deg) }