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

  <link rel="author" title="GÃ©rard 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