| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <title>CSS Test: Margin collapsing - in-flow block-level margin adjoining child's margin</title> |
| <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> |
| <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins" /> |
| <link rel="match" href="margin-collapse-024-ref.xht" /> |
| |
| <meta name="flags" content="ahem image" /> |
| <meta name="assert" content="When an in-flow block-level element (#div3) is adjoining its in-flow block-level child's top margin and the child has no top border, no top padding or no clearance applied to it, then such top margins collapse." /> |
| <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> |
| <style type="text/css"> |
| div |
| { |
| font: 20px/1em Ahem; |
| width: 5em; |
| } |
| #div1 |
| { |
| background: url('support/margin-collapse-2em-space.png'); |
| height: 4em; |
| } |
| #div2, #div4 |
| { |
| background: green; |
| height: 1em; |
| } |
| #div3 |
| { |
| background: red; |
| } |
| #div3, #div4 |
| { |
| margin-top: 2em; |
| } |
| </style> |
| </head> |
| <body> |
| <p>Test passes if there is no red.</p> |
| <div id="div1"> |
| <div id="div2"></div> |
| <div id="div3"> |
| <div id="div4"></div> |
| </div> |
| </div> |
| </body> |
| </html> |
