css/css-multicol/multicol-span-all-children-height-006.html

<!DOCTYPE html>
<html>
  <meta charset="utf-8">
  <title>CSS Multi-column Layout Test: Test the borders drawing for a block split by column-span</title>
  <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
  <link rel="author" title="Mozilla" href="https://www.mozilla.org/">
  <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span">
  <link rel="match" href="multicol-span-all-children-height-006-ref.html">
  <meta name="assert" content="This test verifies that the borders of block container with a fixed block-size, split by column-span, are skipped on the sides adjacent to column-span.">

  <style>
  article {
    column-count: 2;
    width: 400px;
    background-color: lightgreen;
  }
  div.container {
    height: 250px;
    background-color: pink;
    border: 20px solid purple;
    margin-top: 1em;
    margin-bottom: 1em;
  }
  div.block {
    width: 100px;
    height: 200px;
    background-color: yellow;
  }
  div.column-span {
    column-span: all;
    height: 50px;
    background-color: lightblue;
  }
  </style>

  <article>
    <div class="container">
      <div class="block">block1</div>
      <div class="column-span">column-span1</div>
      <div class="block">block2</div>
    </div>
  </article>
</html>