css/css-multicol/multicol-width-ch-ref.html

<!DOCTYPE html>
<title>multicolumn | column-width</title>
<link rel="author" title="Opera Software ASA" href="http://www.opera.com/">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<style>
  .multicol-ref {
    font: 10px ahem;
    display: grid;
    grid-template-columns: 1fr 1ch 1fr 1ch 1fr 1ch 1fr 1ch 1fr;
    width: 69ch;
    background: yellow;
  }
</style>

<div class="multicol-ref">
  <span>
    one two three four
    five six seven eight
  </span>
  <span></span>
  <span>
    nineten eleven twelve
    thirtn
  </span>
  <span></span>
  <span>
    fourtnfiftn sixtn
    seventn eightn ninetn
  </span>
  <span></span>
  <span>
    twenty
    hundred thousand
  </span>
  <span></span>
  <span>
    million billionx
    trillionsopp
  </span>
</div>