LayoutTests/fast/css-grid-layout/grid-item-z-index-stacking-context.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <link href="resources/grid.css" rel="stylesheet">
   5 <style>
   6 .grid {
   7     -webkit-grid-template-rows: 100px;
   8     -webkit-grid-template-columns: 200px 200px;
   9     margin-top: 10px;
  10 }
  11 .red {
  12     background-color: red;
  13 }
  14 .green {
  15     background-color: green;
  16 }
  17 .positiveZIndex {
  18     z-index: 10;
  19 }
  20 .negativeZIndex {
  21     z-index: -5;
  22 }
  23 </style>
  24 </head>
  25 <body>
  26 <p>This test checks that grid items with 'z-index' do produce a stacking context and that we honor the property.</p>
  27 <p>For this test to pass, there should be no red below.</p>
  28
  29 <div class="grid">
  30     <div class="sizedToGridArea green positiveZIndex"></div>
  31     <div class="sizedToGridArea red"></div>
  32 </div>
  33
  34 <div class="grid">
  35     <div class="sizedToGridArea green"></div>
  36     <div class="sizedToGridArea red negativeZIndex"></div>
  37 </div>
  38
  39 <div class="grid">
  40     <div class="sizedToGridArea green firstRowBothColumn"></div>
  41     <div class="sizedToGridArea red negativeZIndex firstRowFirstColumn"></div>
  42     <div class="sizedToGridArea red negativeZIndex firstRowSecondColumn"></div>
  43 </div>
  44
  45 </body>
  46 </html>