margin-collapse-143.xht (1588B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 <html lang="en" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>CSS Test: Placement of out-of-flow object in elements that have been collapsed through</title> 5 <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch"/> 6 <link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/box/block/margin-collapse/043.html" type="text/html"/> 7 <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins"/> 8 <style type="text/css"> 9 .outer { border-top: solid white; border-bottom: solid 1em red; background: green; } 10 .top { height: 1em; background: white; } 11 .float { height: 1em; float: left; background: white; width: 100%; } 12 .bottom { margin-bottom: 1em; } 13 </style> 14 </head> 15 <body> 16 <p>There should be a single green band below, and no red anywhere.</p> 17 <div class="outer"> 18 <div class="top"> <!-- 1em vertical white space --> </div> 19 <div class="bottom"> <!-- 1em bottom margin collapses to here --> 20 <div class="bottom"> <!-- 1em bottom margin collapses with above --> 21 <div class="float"> </div> <!-- overlaps the bottom border --> 22 </div> <!-- nothing here, bottom margin collapsed upwards --> 23 </div> <!-- nothing here, bottom margin collapsed upwards --> 24 </div> <!-- 1em bottom red border, coincident with white float above --> 25 26 27 28 </body> 29 </html><!-- note. this test assumes that we accept the following proposed changes: 30 http://lists.w3.org/Archives/Member/w3c-css-wg/2003AprJun/0347.html 31 -->