block-formatting-contexts-004.xht (1514B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>CSS Test: Block Formatting Contexts: Margin Collapsing</title> 5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> 6 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-09-26 --> 7 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#block-formatting" /> 8 <link rel="match" href="block-formatting-contexts-004-ref.xht" /> 9 10 <meta name="flags" content="ahem image" /> 11 <meta name="assert" content="Margins collapse between adjacent block boxes in a block formatting context." /> 12 <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> 13 <style type="text/css"> 14 #div1 15 { 16 background: url("support/margin-collapse-2em-space.png"); 17 font: 20px/1em Ahem; 18 height: 4em; 19 width: 5em; 20 } 21 #div2 22 { 23 margin-bottom: 1em; 24 } 25 #div3 26 { 27 margin-top: 2em; 28 } 29 </style> 30 </head> 31 <body> 32 <p>Test passes if there is <strong>no red</strong>.</p> 33 <div id="div1"> 34 <div id="div2">XXXXX</div> 35 <div id="div3">XXXXX</div> 36 </div> 37 </body> 38 </html>