<!DOCTYPE html>
<style>
  #a {
    outline: 1px solid red;
    height: 150px;
    resize: both;
    overflow: auto;
    container-type: size;
  }

  h1 {
    font-size: 10px;
  }

  @container ((min-width: 200px) or (min-height: 200px)) {
    h1 {
      font-size: 30px;
    }
  }
</style>
<div id="a">
  <div id="b">
    <h1>H1</h1>
  </div>
</div>
<script type="module">
  import './../dist/container-query-polyfill.modern.js';
  import {doubleRaf, testSuite, assert} from './test-utils.js';

  testSuite('Manu