<!DOCTYPE html>
<title>
  Out-of-flow positioned element in multicol with inline containing
  block and vertical-rl writing mode.
</title>
<link rel="help" href="https://www.w3.org/TR/css-position-3/#abspos-breaking">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<style>
  .multicol {
    writing-mode: vertical-rl;
    columns: 2;
    column-fill: auto;
    height: 100px;
    width: 100px;
    column-gap: 0px;
  }
  .abs {
    position: absolute;
    inline-size: 50px;
    block-size: 200px;
    inset-block-start: 0;
    inset-inline-start: 0;
    background: green;
  }
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="multicol">
  <div>
    <span style="position: relative;">
      <div style="block-size: 200px; inline-size: 50px; background: red;"></div>
      <div class="abs"></div>
    </span>
  </div>
</div>
