LayoutTests/imported/w3c/web-platform-tests/css/css-contain/contain-layout-containing-block-fixed-001.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <meta charset="utf-8">
   5   <title>CSS Test: 'contain: layout' element should contain fixed position elements.</title>
   6   <link rel="author" title="Kyle Zentner" href="mailto:zentner.kyle@gmail.com">
   7   <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
   8   <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout">
   9   <link rel="match" href="contain-paint-containing-block-fixed-001-ref.html">
  10   <style>
  11   #a {
  12       contain: layout;
  13       width: 100px;
  14       height: 100px;
  15       background: red;
  16       margin: 50px;
  17   }
  18   #b {
  19       position: fixed;
  20       top: 0;
  21       left: 0;
  22       width: 100px;
  23       height: 100px;
  24       background: green;
  25   }
  26   </style>
  27 </head>
  28 <body>
  29   <div id="a">
  30     <div>
  31       <div id="b"></div>
  32     </div>
  33   </div>
  34 </body>
  35 </html>