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<!DOCTYPE HTML>
<title>Test for dynamic re-pagination of absolutely positioned elements</title>
<link rel="author" title="L. David Baron" href="https://dbaron.org/">
<style>

#multicol {
  columns: 3;
  column-fill: auto;
  column-gap: 15px;
  height: 150px;
  width: 300px;
  background: yellow;
}

#relpos {
  position: relative;
  background: aqua;
  height: 250px;
}

#abspos {
  position: absolute;
  top: 80px;
  right: 0;
  height: 80px;
  width: 50px;
  background: blue;
}

</style>

<div id="multicol">
  <div id="relpos">
    <div id="abspos"></div>
  </div>
</div>

<script>

var mc = document.getElementById("multicol");
mc.offsetHeight; // flush layout
mc.style.height = "100px";

</script>