margin-collapse-140.xht (951B)
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: Margin Collapsing: top margins</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/040.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 .a { margin: 0; background: red; } 10 .b { margin: 2em 0 0 0; background: red; } 11 .c { margin: 0; background: red; } 12 .d { margin: 1em 0 0 0; background: green; color: white; } 13 </style> 14 </head> 15 <body> 16 <p>There should be no red below.</p> 17 <div class="a"> 18 <div class="b"> 19 <div class="c"> 20 <div class="d"> 21 This line should be green. 22 </div> 23 </div> 24 </div> 25 </div> 26 27 28 </body> 29 </html>