| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
| <html> |
| <head> |
| <title>CSS Test: Absolutely positioned, non-replaced elements, vertical centering</title> |
| <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> |
| <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-height"> |
| <meta name="flags" content=""> |
| <meta name="assert" content="An absolutely positioned non-replaced element's padding box (which is the area painted by background-color of the element) will be vertically centered within its containing block only if both 'margin-top' and 'margin-bottom' have equal values and if 'top' and 'bottom' have equal values. An absolutely positioned non-replaced element's margin box will be vertically centered within its containing block only if 'top' and 'bottom' have equal values."> |
| <style type="text/css"> |
| #div1 |
| { |
| border: solid black; |
| height: 3in; |
| position: relative; |
| width: 3in; |
| } |
| div div |
| { |
| background: blue; |
| bottom: 0.5in; |
| height: 1in; |
| margin-bottom: auto; |
| margin-top: auto; |
| position: absolute; |
| top: 0.5in; |
| width: 100%; |
| } |
| </style> |
| </head> |
| <body> |
| <p>Test passes if the blue box is vertically centered in the black box.</p> |
| <div id="div1"> |
| <div></div> |
| </div> |
| </body> |
| </html> |
