<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"> <html lang="en"> <head> <title>Margin Collapsing: in flow (position of collapsed-through element)</title> <style type="text/css"> table { border-spacing: 0; font-size: 50px; border: solid; background: red; } td { padding: 0; } /* test */ .test { background: orange; width: 1em; } .test .a { background: yellow; margin: 0 0 1em 0; height: 1em; } .test .b { background: red; margin: 1em 0 0 0; } .test .c { background: aqua; margin: 2em 0 1em 0; height: 1em; } .test .d { background: lime; position: absolute; height: 1em; width: 1em; margin: 2em 0 0 0; } /* control */ .control div { width: 1em; } .control .a { border-top: 1em yellow solid; } .control .b { border-top: 2em orange solid; } .control .c { border-top: 1em aqua solid; } .control .d { border-top: 1em lime solid; } </style> </head> <body> <p>The following two columns should be pixel perfect identical with no red visible.</p> <table> <tr> <td> <div class="test"> <div class="a"></div> <div class="b"> <div class="d"></div> </div> <div class="c"></div> </div> </td> <td class="control"> <div class="a"></div> <div class="b"></div> <div class="c"></div> <div class="d"></div> </td> </tr> </table> <p>This test is meaningless if you don't pass <a href="006.html">test 006</a>.</p> </body> </html>