testing/web-platform/tests/css/css-transforms/transform-origin-006.html


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<!DOCTYPE html>
<html>
  <head>
    <title>CSS Test (Transforms): transform-origin percentages 4</title>
    <link rel="author" title="Aryeh Gregor" href="mailto:ayg@aryeh.name">
    <link rel="help" href="http://www.w3.org/TR/css-transforms-1/#transform-origin-property">
    <meta name="assert" content='Percentages in transform-origin refer to the
    size of the element&apos;s border box.  This tests that they don&apos;t
    refer to the content, padding, or margin box by applying nonzero margin,
    border, and padding.  (Note: an implementation that resolves percentages
    relative to the incorrect box might fail this test by only a few pixels, so
    it&apos;s important to check that the test and reference renderings match
    exactly.)'>
    <link rel="match" href="transform-origin-ref-2.html">
    <style>
      body > div {
        width: 190px;
        height: 90px;
        padding: 5px;
        border: 1px solid black;
        margin: 5px;
        transform: rotate(45deg);
        transform-origin: 50% 50%;
        position: relative;
        right: 5px;
      }
      body > div > div {
        margin: -5px;
      }
    </style>
  </head>
  <body>
    <div>
      <div>Some text!</div>
    </div>
  </body>
</html>