css/css-contain/contain-content-001.html

<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Containment Test: a block with 'contain: content' alongside a float</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/#contain-property">
  <link rel="match" href="reference/contain-layout-ifc-022-ref.html">


  <style>
  div
    {
      color: transparent;
      font-size: 16px;
      padding: 8px;
    }

  div#floated-left
    {
      background-color: blue;
      float: left;
      margin: 8px;
      width: 6em;
    }

  div#with-contain-content
    {
      background-color: orange;
      width: 12em;

      contain: content;
    }
  </style>


  <p>Test passes if the orange rectangle and blue rectangle do not overlap.

  <div id="floated-left">Some text in a blue rectangle.</div>

  <div id="with-contain-content">Some text in an orange rectangle. Some text in an orange rectangle. Some text in an orange rectangle.</div>