<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Containment Test: 'contain: strict' does not turn on style containment</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://drafts.csswg.org/css-contain/#contain-property">
  <link rel="match" href="reference/contain-strict-011-ref.html">

  <meta name="assert" content="'contain: strict' turns on style containment. So, in this test, the counter of spans should not be reset and must not be reset.">

  <style>
  body
    {
      counter-reset: counter-of-span 17;
    }

    /*
    This creates a new counter identified as "counter-of-span"
    and initially sets such counter to 17 (an entirely
    arbitrary number)
    */

  div
    {
      contain: strict;
    }

  div > span
    {
      background-color: yellow;
      color: red;
      counter-increment: counter-of-span 3;
    }

    /*
    This increments the counter identified as "counter-of-span"
    of the step value of 3 (an entirely arbitrary number) each
    and every time there is a <span> child within the subtree
    of div
    */

  p#test::after
    {
      content: counter(counter-of-span);
      font-size: 3em;
    }

    /*
    Now, the generated content is set to the current
    value of the counter identified as "counter-of-span":
    17 + 3 * 3 == 26
    */
  </style>

  <body>

  <div><span>FAIL1</span> <span>FAIL2</span> <span>FAIL3</span></div>

  <p id="pass-fail-conditions-sentence">Test passes if there is the number 17.

  <p id="test">