File: contain-paint-024.html

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<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Containment Test: 'contain: paint' and absolutely positioned descendants</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-paint">
  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">

  <meta content="This test checks that paint containment does not apply to non-atomic inline elements so they do not act as containing block for absolutely positioned descendants." name="assert">

  <style>
  div#correct-containing-block
    {
      background-color: red;
      height: 100px;
      position: relative;
      width: 100px;
    }

  div#incorrect-containing-block
    {
      contain: paint;
      display: inline;
    }

  div#abspos
    {
      background-color: green;
      bottom: 0;
      height: 100%;
      position: absolute;
      right: 0;
      width: 100%;
    }
  </style>

  <p>Test passes if there is a filled green square and <strong>no red</strong>.

  <div id="correct-containing-block">

    <div id="incorrect-containing-block">

      <div id="abspos"></div>

    </div>

  </div>