css/css-contain/contain-strict-002.html

<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Containment Test: 'contain: strict' and block box</title>

  <link rel="author" title="G&eacute;rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://www.w3.org/TR/css-contain-1/#contain-property">
  <link rel="match" href="reference/contain-paint-size-001-ref.html">


  <style>
  div
    {
      background-color: red;
      border: green solid 1em;
      color: red;
      contain: strict;
      font-size: 20px;
      width: 166px;
    }
  </style>

  <p>Test passes if there is a short horizontal green stripe and <strong>no red</strong>.

  <div>FAIL FAIL FAIL FAIL FAIL FAIL</div>