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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: box offsets - containing block for absolute positioned boxes</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="help" title="9.3.2 Box offsets: 'top', 'right', 'bottom', 'left'" href="http://www.w3.org/TR/CSS21/visuren.html#position-props" />
<meta content="image" name="flags" />
<meta content="Box offsets (bottom, left, right, top) for an absolutely positioned box refers to the padding box of its nearest positioned ancestor; such padding box forms and acts as the containing block of the absolutely positioned box." name="assert" />
<style type="text/css"><![CDATA[
body {margin: 8px;}
#nearest-positioned-ancestor
{
background-color: yellow; /* padding box will be yellow */
border: orange solid 50px; /* border box will be orange */
height: 100px; /* a bright green square 100px by 100px image will serve as content box */
margin-left: 100px;
padding: 50px;
position: relative;
top: auto;
width: 100px;
}
div > div
{
background-color: blue;
color: white;
height: 25px;
position: absolute;
width: 25px;
}
div#top-left
{
left: 0px;
top: 0px;
}
div#top-right
{
right: 0px;
top: 0px;
}
div#bottom-left
{
bottom: 0px;
left: 0px;
}
div#bottom-right
{
bottom: 0px;
right: 0px;
}
]]></style>
</head>
<body>
<p>Test passes if there is a blue square at each corner of the yellow square.</p>
<div id="nearest-positioned-ancestor"><img src="support/100x100-lime.png" alt="Image download support must be enabled" />
<div id="top-left">TL</div>
<div id="top-right">TR</div>
<div id="bottom-left">BL</div>
<div id="bottom-right">BR</div>
</div>
</body>
</html>
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