absolute-replaced-width-006

Absolute replaced elements and 'auto' specified for 'margin-left', 'margin-right' and percentage intrinsic width

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Flags
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Assertion
Percentage intrinsic widths are evaluated against the containing block's width.

Source

 1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
 2 <html>
 3     <head>
 4         <title>CSS Test: Absolute replaced elements and 'auto' specified for 'margin-left', 'margin-right' and percentage intrinsic width</title>
 5         <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
 6         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-replaced-width">
 7         <meta name="flags" content="image">
 8         <meta name="assert" content="Percentage intrinsic widths are evaluated against the containing block's width.">
 9         <style type="text/css">
10             div
11             {
12                 line-height: 0;
13             }
14             #div1
15             {
16                 border: solid black;
17                 height: 3in;
18                 position: relative;
19                 width: 2in;
20             }
21             img
22             {
23                 margin-left: auto;
24                 margin-right: auto;
25                 position: absolute;
26             }
27             div div
28             {
29                 background: orange;
30                 height: 1in;
31                 margin-top: 1in;
32                 width: 1in;
33             }
34         </style>
35     </head>
36     <body>
37         <p>Test passes if the blue and orange boxes below are the same width, and the blue box is in the upper-left corner of the black box.</p>
38         <div id="div1">
39             <img alt="blue 15x15" src="support/blue15x15.png" width="50%">
40             <div></div>
41         </div>
42     </body>
43 </html>