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servo/tests/wpt/css-tests/css21_dev/html4/containing-block-018.htm

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>CSS Test: Containing Blocks - Block-level elements position based on right-to-left direction and parent element is relative</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/">
<link rel="author" title="Alan Gresley" href="alan{at}css-class.com">
<link rel="author" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details">
<meta name="flags" content="dom interact">
<meta name="assert" content="The containing block of an absolutely positioned block-level element is formed by the padding edge of its nearest (closest) positioned ancestor element.">
<style type="text/css">
div
{
border: solid silver;
direction: rtl;
margin-bottom: 20px;
padding: 100px;
width: 450px;
}
#first-box, #last-box
{
color: silver;
}
.position
{
height: 30px;
position: absolute;
width: 30px;
}
#tr-control
{
border-top: 30px solid red;
margin-left: 20px;
margin-right: -50px;
padding: 20px 15px;
}
#bl-control
{
border-bottom: 30px solid red;
margin-left: -50px;
margin-right: 20px;
padding: 20px 15px;
}
.top-right
{
background: green;
right: 0;
top: 0;
}
.bottom-left
{
background: green;
bottom: 0;
left: 0;
}
#test
{
border: 5px solid silver;
padding: 50px;
position: relative;
}
</style>
</head>
<body>
<p>Test passes if there is no red visible on the page.</p>
<div>
<span id="test">
<span id="first-box"><span id="tr-control"></span><br></span>
<span class="position bottom-left">BL</span>
<span class="position top-right">TR</span>
<span id="last-box"><span id="bl-control"></span></span>
</span>
</div>
</body>
</html>