css/css-pseudo/reference/selection-overlay-and-grammar-001-ref.html

<!DOCTYPE html>

 <html lang="en">

  <meta charset="UTF-8">

  <title>CSS Reftest Reference</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">

  <link rel="stylesheet" href="../support/highlights.css">
  <style>
  #ref
    {
      font-size: 60px;
      position: relative;
      color: transparent;
    }

  #ref > div
    {
      position: absolute;
    }

  #grammar-error > span
    {
      background-color: yellow;
    }

  #selection > span
    {
      background-color: rgba(0%, 50%, 100%, 0.5);
      /*
      a very lite blue color
      according to
      https://www.colorhexa.com/7fbfff
      */
      color: yellow;
    }
  </style>

  <p>PREREQUISITE: User agent needs to have an enabled and capable grammar error module. If it does not, then this test does not apply to such user agent.

  <p>Test passes

  <ul>
    <li>if each glyph of the sentence is yellow
    <li>if "thing" has a desaturated lime green background
    <li>if the other words have a very lite blue background and
    <li>if there is no red.
  </ul>

  <div id="ref" class="highlight_reftest">
    <div id="grammar-error">Many <span>thing</span> can happen.</div>
    <div id="selection"><span>Many thing can happen.</span></div>
    Many thing can happen.
  </div>