absolute-non-replaced-max-height-004

Max-height on absolutely positioned, non-replaced elements, 'margin-top' set to 'auto'

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Assertion
When 'top', 'bottom' and 'height' are all are not 'auto', 'margin-top' is 'auto' and 'margin-bottom' is not 'auto'. Then 'margin-top' becomes the remainder of the height of the containing box.

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: Max-height on absolutely positioned, non-replaced elements, 'margin-top' set to 'auto'</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="When 'top', 'bottom' and 'height' are all are not 'auto', 'margin-top' is 'auto' and 'margin-bottom' is not 'auto'. Then 'margin-top' becomes the remainder of the height of the containing box.">
 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: 0.5in;
21                 height: 2in;
22                 margin-bottom: 0.5in;
23                 margin-top: auto;
24                 max-height: 1in;
25                 position: absolute;
26                 top: 0.5in;
27                 width: 100%;
28             }
29         </style>
30     </head>
31     <body>
32         <p>Test passes if the blue box is vertically centered in the black box.</p>
33         <div id="div1">
34             <div></div>
35         </div>
36     </body>
37 </html>