chromium/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-span-all-children-height-007.html

<!DOCTYPE html>
<html>
  <meta charset="utf-8">
  <title>CSS Multi-column Layout Test: Test fragmentation for a nested multi-column container with column-span</title>
  <link rel="author" title="Ting-Yu Lin" href="mailto:[email protected]">
  <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
  <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span">
  <link rel="help" href="https://drafts.csswg.org/css-break/#breaking-rules">
  <link rel="match" href="multicol-span-all-children-height-007-ref.html">
  <meta name="assert" content="This test verifies a nested multi-column container with non-auto height and column-span child can be fragmented.">

  <style>
  .outer {
    column-count: 2;
    column-rule: 6px solid black;
    width: 400px;
    height: 110px;
  }
  .inner {
    column-count: 2;
    column-rule: 3px solid green;
    height: 270px;
    background-color: lightgreen;
    border: 10px solid purple;
  }
  .block1 {
    background-color: yellow;
    height: 200px;
  }
  .spanner {
    column-span: all;
    height: 50px;
    background-color: lightblue;
  }
  .block2 {
    background-color: yellow;
    height: 240px;
  }
  </style>

  <article class="outer">
    <article class="inner">
      <div class="block1">block1</div>
      <div class="spanner">spanner</div>
      <div class="block2">block2</div>
    </article>
  </article>
</html>