<!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: Calculating widths for absolutely positioned elements</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="reviewer" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-11-07 -->
<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#the-width-property" />
<link rel="match" href="max-width-percentage-001-ref.xht" />
<meta name="assert" content="Absolutely positioned elements whose containing block is based on a block-level element, the percentage is calculated with respect to the width of the padding box of that element." />
<style type="text/css">
#div1
{
background: blue;
width: 1in;
}
#div2
{
position: relative;
}
#div3
{
padding: 0 0.5in;
width: 1in;
}
#div4
{
width: 50%;
background: orange;
}
#div1, #div3, #div4
{
height: 1in;
}
#div3, #div4
{
left: 0;
position: absolute;
top: 0;
}
</style>
</head>
<body>
<p>Test passes if the blue and orange squares have the <strong>same width</strong>.</p>
<div id="div1"></div>
<div id="div2">
<div id="div3">
<div id="div4"></div>
</div>
</div>
</body>
</html>