<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>CSS Test: 'contain: size' on multicol elements should cause them to be sized as if they had no contents.</title>
  <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
  <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
  <link rel="match" href="contain-size-multicol-002-ref.html">
  <style>
  .contain {
    contain: size;
    border: 1em solid green;
    background: red;
    c