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 |   1 <!DOCTYPE html> | 
 |   2  | 
 |   3 <html> | 
 |   4 <head> | 
 |   5 <style> | 
 |   6     body { | 
 |   7         margin: 0; | 
 |   8         width: 2000px; | 
 |   9         overflow: hidden; /* hide scrollbars */ | 
 |  10     } | 
 |  11  | 
 |  12     p { | 
 |  13         position: relative; | 
 |  14         left: 100px; | 
 |  15     } | 
 |  16  | 
 |  17     .group { | 
 |  18         position: relative; | 
 |  19         width: 500px; | 
 |  20         height: 200px; | 
 |  21     } | 
 |  22  | 
 |  23     .grid-container { | 
 |  24         display: grid; | 
 |  25         grid-template-columns: 50% 50%; | 
 |  26         grid-template-rows: 100%; | 
 |  27         width: 200px; | 
 |  28         height: 180px; | 
 |  29         outline: 2px solid black; | 
 |  30     } | 
 |  31   | 
 |  32     .box { | 
 |  33         width: 100px; | 
 |  34         height: 180px; | 
 |  35     } | 
 |  36  | 
 |  37     .grid-item { | 
 |  38         width: 100%; | 
 |  39         height: 100%; | 
 |  40     } | 
 |  41  | 
 |  42     .sticky { | 
 |  43         left: 100px; | 
 |  44         background-color: green; | 
 |  45     } | 
 |  46 </style> | 
 |  47 <script> | 
 |  48     function doTest() | 
 |  49     { | 
 |  50         window.scrollTo(100, 0); | 
 |  51     } | 
 |  52     window.addEventListener('load', doTest, false); | 
 |  53 </script> | 
 |  54 </head> | 
 |  55 <body> | 
 |  56     <p>This test checks the behavior of position:sticky with grid items. | 
 |  57   There should be no red.</p> | 
 |  58  | 
 |  59     <div class="group" style="left: 100px"> | 
 |  60         <div class="grid-container" style="left: 100px"> | 
 |  61           <div class="sticky grid-item" style="grid-column: 2; grid-row: 1;"></d
    iv> | 
 |  62           <div class="grid-item" style="grid-column: 1; grid-row: 1;"></div> | 
 |  63         </div> | 
 |  64     </div> | 
 |  65  | 
 |  66     <div class="group" style="left: 150px"> | 
 |  67         <div class="grid-container" style="left: 100px; grid-template-columns: 2
    5% 50% 25%"> | 
 |  68           <div class="sticky grid-item" style="grid-column: 2; grid-row: 1;"></d
    iv> | 
 |  69           <div class="grid-item" style="grid-column: 3; grid-row: 1;"></div> | 
 |  70         </div> | 
 |  71     </div> | 
 |  72  | 
 |  73     <div class="group" style="left: 200px"> | 
 |  74         <div class="grid-container" style="left: 100px"> | 
 |  75           <div class="sticky grid-item" style="grid-column: 1; grid-row: 1;"></d
    iv> | 
 |  76           <div class="grid-item" style="grid-column: 2; grid-row: 1;"></div> | 
 |  77         </div> | 
 |  78     </div> | 
 |  79  | 
 |  80 </body> | 
 |  81 </html> | 
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