e the test expects only 1 column filled with content, therefore the column rule should not be painted, thus the 'no red' test success condition." name="assert">

  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
  <style>
  div
    {
      color: green;
      column-count: 4;
      column-fill: auto; /* fill columns sequentially */
      column-gap: 4em; /* computes to 100px */
      column-rule: red solid 4em;
      font-family: Ahem;
      /*
      To download Ahem font:
      http://www.