third_party/WebKit/LayoutTests/css2.1/20110323/margin-collapse-clear-016.htm

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
   2 <html>
   3
   4  <head>
   5
   6   <title>CSS Test: Margin collapsing - margins of a 'collapsed through' box without clearance can collapse with parent block's bottom margin</title>
   7
   8   <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins">
   9   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  10   <link rel="author" title="Daniel Schattenkirchner" href="crazy-daniel{at}gmx.de">
  11   <link rel="match" href="margin-collapse-clear-016-ref.htm">
  12
  13   <meta content="An element that does not have clearance applied to it can collapse its top margin with its parent block's bottom margin. Margins of a 'collapsed through' box without clearance applied to it can collapse with its parent block's bottom margin. An element with clear set to it (to other than 'none') can only create a clearance if and when there is a preceding floated block." name="assert">
  14   <meta content="" name="flags">
  15
  16   <style type="text/css">
  17   body
  18   {
  19   background-color: white;
  20   }
  21
  22   #parent-block
  23   {
  24   background-color: red;
  25   margin-bottom: 0px;
  26   }
  27
  28   #sibling
  29   {
  30   background-color: green;
  31   height: 100px;
  32   }
  33
  34   #element-without-clearance-applied
  35   {
  36   clear: both;
  37   margin-top: 100px;
  38   }
  39   </style>
  40
  41  </head>
  42
  43  <body>
  44
  45   <p>Test passes if there is a wide filled green rectangle and <strong>no red</strong>.</p>
  46
  47   <div id="parent-block">
  48     <div id="sibling"></div>
  49     <div id="element-without-clearance-applied"></div>
  50   </div>
  51
  52   <!--
  53   #element-without-clearance-applied's margin-top collapses
  54   with #parent-block's margin-bottom: the resulting margin-bottom
  55   then collapses with the adjoining white body's margin-bottom
  56   -->
  57
  58  </body>
  59 </html>