<!DOCTYPE html>
<html class="reftest-wait">
  <meta charset="utf-8">
  <title>CSS Overflow: test scrollbar-gutter when dynamically update scrollbar-width</title>
  <link rel="author" title="Luke Warlow" href="mailto:luke@warlow.dev">
  <link rel="help" href="https://drafts.csswg.org/css-overflow-4/#scrollbar-gutter-property">
  <link rel="match" href="scrollbar-gutter-dynamic-003-ref.html">
  <script src="/common/reftest-wait.js"></script>

  <style>
  .line {
    display: flex;
  }

  .container {
    writ