chromium/third_party/blink/web_tests/external/wpt/css/css-pseudo/reference/active-selection-014-ref.html

<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Reftest Reference</title>

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

  <link rel="stylesheet" href="../support/highlights.css">
  <style>
  div
    {
      background-color: Highlight;
      color: HighlightText;
      display: inline;
      font-size: 300%;
      text-decoration: HighlightText underline;
    }
  </style>

  <!--
  "
  The element's own text decorations (both line decorations
  and emphasis marks) are thus drawn in the pseudo-element's
  own color when that is not currentColor, regardless of
  their original color or fill specifications.
  "
  coming from
  https://www.w3.org/TR/css-pseudo-4/#highlight-painting

  Highlight
      Background of item(s) selected in a control.
  https://www.w3.org/TR/css-color-4/#valdef-system-color-highlight

  HighlightText
      Text of item(s) selected in a control.
  https://www.w3.org/TR/css-color-4/#valdef-system-color-highlighttext

  CSS4 Color Module
  5.2 System Colors
  https://www.w3.org/TR/css-color-4/#css-system-colors
  -->

  <body>

  <p>Test passes if each glyph of "Selected Text" is underlined and if color and background color of "Selected Text" are the OS-default highlight colors. The underline color must also be the same as the highlight color of "Selected Text".

  <div id="test" class="highlight_reftest">Selected Text</div>