layout/reftests/margin-collapsing/block-zero-height-1a.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <style type="text/css">
   5 #a {
   6  height: 20px;
   7  background-color: green;
   8 }
   9 #b {
  10  background-color: green;
  11  margin-top: 10px;
  12 }
  13 #c {
  14  margin-top: 20px;
  15  margin-bottom: 30px;
  16  height: 0;
  17 }
  18 #d {
  19  height: 10px;
  20  background-color: red;
  21 }
  22 </style>
  23 </head>
  24 <body>
  25 <div id="a"></div>
  26 <div id="b">
  27  <div id="c">
  28   <div id="d"></div>
  29  </div>
  30 </div>
  31 </body>
  32 </html>