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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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