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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS Test: rotateY with perspective produces a trapezoid</title>
<link rel="author" title="Apple Inc." href="http://www.apple.com/"/>
<link rel="help" href="http://www.w3.org/TR/css-transforms-2/#3d-transform-rendering"/>
<link rel="match" href="reference/transform-3d-rotateY-stair-above-ref-001.xht"/>
<meta name="assert" content="A rotateY transform with perspective
should result in a trapezoid."/>
<style type="text/css"><![CDATA[
div {
height: 150px;
width: 150px;
}
.background {
background-color: green;
height: 200px;
width: 200px;
}
.container {
position: absolute;
top: 20px;
left: 0;
perspective: 500px;
}
.transformed {
background-color: red;
transform: rotateY(50deg);
}
.stair {
background-color: green;
position: absolute;
}
#one {
width: 33px;
height: 170px;
top: 10px;
left: 20px;
}
#two {
width: 33px;
height: 158px;
top: 16px;
left: 53px;
}
#three {
width: 33px;
height: 148px;
top: 21px;
left: 86px;
}
.stairs {
height: 180px;
}
]]></style>
</head>
<body>
<div class="background">
<div class="container">
<div class="transformed"></div>
</div>
<div class="stairs">
<div id="one" class="stair"></div>
<div id="two" class="stair"></div>
<div id="three" class="stair"></div>
</div>
</div>
<p>You should see a green box. There should be no red.</p>
</body>
</html>
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