wpt/css/css-backgrounds/background-origin-006.html at master · web-platform-tests/wpt · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS Backgrounds and Borders Test: background-origin 'content-box' with background-attachment 'fixed'</title>
    <link rel="author" title="Intel" href="http://www.intel.com">
    <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-11-09 -->
    <link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-origin" title="3.8. Positioning Area: the 'background-origin' property">
    <link rel="match" href="reference/background-origin-006-ref.html">
    <meta name="flags" content="image">
    <meta name="assert" content="Check if the 'background-attachment' value is 'fixed' that expecting 'background-origin' has no effect and the background positioning area is the initial containing block.">
    <style>
        html {
            padding-left: 170px;
        }
        div {
            left: 0px;
            position: absolute;
            top: 0px;
        }
        #ref-overlapped-red {
            background-color: red;
            height: 60px;
            width: 60px;
        }
        #test-overlapping-green {
            background-attachment: fixed;
            background-image: url(support/60x60-green.png);
            background-origin: content-box;
            background-repeat: no-repeat;
            border: transparent dotted 5px;
            height: 100px;
            padding: 25px;
            width: 100px;
        }
    </style>
  </head>
  <body>
    <p>Test passes if there is a filled green square at the left of the page and <strong>no red</strong>.</p>
    <div id="ref-overlapped-red">
      <div id="test-overlapping-green"></div>
    </div>
  </body>
</html>