tor-browser

The Tor Browser
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anonymous-boxes-001b.xht (2409B)


      1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
      2 
      3 <html xmlns="http://www.w3.org/1999/xhtml">
      4 
      5  <head>
      6 
      7   <title>CSS Test: Percent height inside anonymous block</title>
      8 
      9   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
     10   <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#anonymous-block-level" />
     11   <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details" />
     12   <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#the-height-property" />
     13   <link rel="match" href="anonymous-boxes-001b-ref.xht" />
     14 
     15   <meta content="ahem" name="flags" />
     16   <meta content="Anonymous block boxes are ignored when resolving percentage values that would refer to it: the closest non-anonymous ancestor box is used instead." name="assert" />
     17 
     18   <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
     19   <style type="text/css"><![CDATA[
     20   body
     21   {
     22   font: 1em/1.25 serif;
     23   margin: 8px;
     24   }
     25 
     26   p {margin: 1em 0;}
     27 
     28   strong {line-height: 1;}
     29 
     30   div#overlapped-red
     31   {
     32   background-color: red;
     33   height: 100px;
     34   left: 8px;
     35   position: absolute;
     36   top: 122px;
     37   /*
     38     16px : max(body's margin-top, p's margin-top)
     39   +
     40     20px : p's 1st line box height
     41   +
     42     20px : p's 2nd line box height
     43   +
     44     16px : p's margin-bottom
     45   +
     46     50px : div#closest-non-anonymous-ancestor line box height
     47   -----------------------------------------------------------
     48    122px
     49   */
     50   right: 8px;
     51   z-index: -1;
     52   }
     53 
     54   div#closest-non-anonymous-ancestor
     55   {
     56   color: white;
     57   font: 2.5em/1.25 Ahem;  /* equivalent to 40px/50px in absolute units */
     58   height: 200px;
     59   }
     60 
     61   div#child-of-anonymous-block-box
     62   {
     63   background-color: green;
     64   height: 50%;
     65   }
     66   ]]></style>
     67 
     68  </head>
     69 
     70  <body>
     71 
     72   <p>Test passes if there is a filled green<br />
     73   rectangle across the page and <strong>no red</strong>.</p>
     74 
     75   <div id="overlapped-red"></div>
     76 
     77   <div id="closest-non-anonymous-ancestor">Some <div id="child-of-anonymous-block-box"></div> text
     78     <p>More text</p>
     79   </div>
     80 
     81   <!--
     82   For example, if the child of the anonymous block box inside the DIV
     83   above needs to know the height of its containing block to resolve a
     84   percentage height, then it will use the height of the containing
     85   block formed by the DIV, not of the anonymous block box.
     86   -->
     87 
     88  </body>
     89 </html>