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Test Info:

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Transforms Test: transform-origin - center 0%('center' computes to '50%' in horizontal position)</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="author" title="Jieqiong Cui" href="mailto:jieqiongx.cui@intel.com">
<link rel="help" title="8. The 'transform-origin' Property" href="http://www.w3.org/TR/css-transforms-1/#transform-origin-property">
<link rel="match" href="transform-origin-007-ref.html">
<meta name="assert" content="The 'transform-origin' property set 'center' computes to 50%(left 50%) for the horizontal position.">
<style>
.div1 {
height: 150px;
position: absolute;
width: 150px;
}
.div2 {
background-color: gray;
}
#test {
background-color: red;
height: 50px;
margin: 100px 50px 0px 50px;
transform: rotate(180deg);
transform-origin: center 0%;
width: 50px;
}
#ref {
background-color: green;
height: 50px;
margin: 100px 50px 0px 50px;
transform: rotate(180deg);
transform-origin: 50% 0%;
width: 50px;
}
</style>
<body>
<p>Test passes if there is a filled green square in the <strong>center</strong> of the gray square and no red.</p>
<div class="div1 div2"><div id="test"></div></div>
<div class="div1"><div id="ref"></div></div>
</body>