:root {
  --cols: 12;
  --rows: 8;
}

html, body {
  line-height: 1.17;
}

html, body, #grid {
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
}

#grid {
  display: grid;
  grid-template-columns: repeat(var(--cols), 1fr);
  grid-template-rows: repeat(var(--rows), 1fr);
}

#grid > b {
  display: flex;
  font-weight: normal;
  justify-content: center;
  align-items: center;
  font-size: calc((85 / min(var(--cols), var(--rows))) * 1vmin);
  line
}

#grid > b > i {
  font-style: normal;
  --sw: 1;
  --sh: 1;
  transform: scale(var(--sw), var(--sh));
}