brightness-darken.html

Enable keyboard shortcuts

<!--

     Any copyright is dedicated to the Public Domain.

     http://creativecommons.org/publicdomain/zero/1.0/

-->

<!DOCTYPE html>

<html>

<head>

  <title>CSS Filters: Darken an HTML Element Using the Brightness Function</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-brightness">

  <link rel="match" href="brightness-darken-ref.html">

  <meta name="assert"

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

                 function should darken the color of an HTML element.">

  <style type="text/css">

    #target {

      filter: brightness(0.25);

      background-color: #0f0;

      width: 100px;

      height: 100px;

  </style>

</head>

<body>

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

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

</body>

</html>