third_party/WebKit/LayoutTests/css2.1/20110323/absolute-non-replaced-width-003.htm

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
   2 <html>
   3     <head>
   4         <title>CSS Test: Absolutely positioned non-replaced elements with 'margin-left' and 'margin-right' set to 'auto'</title>
   5         <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
   6         <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width">
   7         <meta name="flags" content="ahem">
   8         <script src="../../resources/ahem.js"></script>
   9         <meta name="assert" content="When 'left', 'width' and 'right' are not 'auto', set 'margin-left' and 'margin-right' to equal values.">
  10         <style type="text/css">
  11             #containingblock
  12             {
  13                 border: solid black;
  14                 height: 2in;
  15                 position: relative;
  16                 width: 4in;
  17             }
  18             div div
  19             {
  20                 /* left + margin-left + border-left-width + padding-left + width + padding-right + border-right-width + margin-right + right = width of containing block */
  21                 /* 1in + solve       + 0                 + 0            + 1in   + 0             + 0                  + solve        + -2in   = 4in */
  22                 background: red;
  23                 color: blue;
  24                 font: 1in/1em Ahem;
  25                 left: 1in;
  26                 margin-left: auto; /* value is solved to 2in */
  27                 margin-right: auto; /* value is solved to 2in */
  28                 position: absolute;
  29                 right: -2in;
  30                 width: 1in;
  31             }
  32         </style>
  33     </head>
  34     <body>
  35         <p>Test passes if the blue square in in the upper-right corner of the black rectangle and there is no red visible on the page.</p>
  36         <div id="containingblock">
  37             <div>X</div>
  38         </div>
  39     </body>
  40 </html>