<!DOCTYPE html>
<html>
  <meta charset="utf-8">
  <title>CSS Multi-column Layout Test Reference: Test fragmentation for a nested multi-column container with column-span in paginated context</title>
  <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com">
  <link rel="author" title="Mozilla" href="https://www.mozilla.org/">

  <style>
  .inner {
    column-count: 2;
    column-rule: 3px solid green;
    background-color: lightgreen;
  }
  .block1 {
    background-color: yellow;
    height: 3in;
  }
  .spanner {
    height: 2in;
    background-color: lightblue;
  }
  .block2 {
    background-color: pink;
    height: 3in;
  }
  </style>

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