absolute-non-replaced-height-011

Absolutely positioned, non-replaced elements, 'height' based on 'top' and 'bottom' positions

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Assertion
The 'auto' values on 'margin-top', 'margin-bottom' are set to '0' and the 'height' is the remaining space between the 'top' and 'bottom' positions, when 'height' is 'auto' and 'top' and 'bottom' are both not 'auto'.

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: Absolutely positioned, non-replaced elements, 'height' based on 'top' and 'bottom' positions</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-non-replaced-height">
 7         <meta name="flags" content="">
 8         <meta name="assert" content="The 'auto' values on 'margin-top', 'margin-bottom' are set to '0' and the 'height' is the remaining space between the 'top' and 'bottom' positions, when 'height' is 'auto' and 'top' and 'bottom' are both not 'auto'.">
 9         <style type="text/css">
10             #div1
11             {
12                 border: solid black;
13                 height: 3in;
14                 position: relative;
15                 width: 3in;
16             }
17             div div
18             {
19                 background: blue;
20                 bottom: 1in;
21                 height: auto;
22                 margin-bottom: auto;
23                 margin-top: auto;
24                 position: absolute;
25                 top: 1in;
26                 width: 100%;
27             }
28         </style>
29     </head>
30     <body>
31         <p>Test passes if the blue box is vertically centered in the black box.</p>
32         <div id="div1">
33             <div></div>
34         </div>
35     </body>
36 </html>