third_party/WebKit/LayoutTests/css2.1/20110323/margin-collapse-clear-015.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 with clearance - Margins collapsing of an element's top margin with its first in-flow child should not be affected by clear and clearance</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="Bruno Fassino" href="fassino[at]gmail.com">
  11   <link rel="match" href="margin-collapse-clear-015-ref.htm">
  12
  13   <meta content="When an element with clear set to it (to other than 'none') has a first in-flow child and their top margins are adjoining, then these margins should collapse normally." name="assert">
  14   <meta content="" name="flags">
  15
  16   <style type="text/css">
  17   #rel-pos-wrapper {position: relative;}
  18
  19   #parent-lime
  20   {
  21   background-color: lime;
  22   border-top: black solid 1px;
  23   width: 50%;
  24   }
  25
  26   #float-left-blue
  27   {
  28   background-color: blue;
  29   float: left;
  30   height: 100px;
  31   width: 100px;
  32   }
  33
  34   #clear-left {clear: left;}
  35
  36   #clear-left > div
  37   {
  38   background-color: aqua;
  39   height: 60px;
  40   margin-top: 140px;
  41   }
  42
  43   #next-yellow
  44   {
  45   background-color: yellow;
  46   height: 100px;
  47   }
  48
  49   .ref-overlapped-red
  50   {
  51   background-color: red;
  52   left: 0;
  53   position: absolute;
  54   z-index: -1;
  55   }
  56
  57   #ref1
  58   {
  59   height: 200px;
  60   top: 1px;
  61   width: 50%;
  62   }
  63
  64   #ref2
  65   {
  66   height: 100px;
  67   top: 201px;
  68   width: 100%;
  69   }
  70   </style>
  71
  72  </head>
  73
  74  <body>
  75
  76   <p>Test passes if there is <strong>no red</strong>.</p>
  77
  78   <div id="rel-pos-wrapper">
  79
  80     <div id="parent-lime">
  81       <div id="float-left-blue"></div>
  82       <div id="clear-left">
  83          <div></div>
  84       </div>
  85     </div>
  86
  87     <div id="next-yellow"></div>
  88
  89     <!--
  90     #ref1 and #ref2 boxes create a sort of 'reference rendering'
  91     where #ref1 should be covered, overlapped by #parent-lime
  92     while #ref2 should be covered, overlapped by #next-yellow.
  93     -->
  94
  95     <div id="ref1" class="ref-overlapped-red"></div>
  96     <div id="ref2" class="ref-overlapped-red"></div>
  97
  98   </div>
  99
 100  </body>
 101 </html>