contrast-reduce.html

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<!--

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<!DOCTYPE html>

<html>

<head>

  <title>CSS Filters: Reduce the Contrast of an HTML Element</title>

  <link rel="author" title="Max Vujovic" href="mailto:mvujovic@adobe.com">

  <link rel="help" href="http://www.w3.org/TR/filter-effects-1/#funcdef-contrast">

  <link rel="match" href="contrast-reduce-ref.html">

  <meta name="assert"

        content="Given a factor of less than one, the CSS contrast filter

                 function should change color channel values to be closer to

                 their middle value.">

  <style type="text/css">

    #target {

      filter: contrast(0.5);

      background-color: #0f0;

      width: 100px;

      height: 100px;

  </style>

</head>

<body>

  <p>You should see a green square.</p>

  <div id="target"></div>

</body>

</html>