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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     .flex-container { | 
|  | 24         position: relative; | 
|  | 25         display: flex; | 
|  | 26         width: 200px; | 
|  | 27         height: 180px; | 
|  | 28         flex-flow: row wrap; | 
|  | 29         outline: 2px solid black; | 
|  | 30     } | 
|  | 31 | 
|  | 32     .box { | 
|  | 33         width: 100px; | 
|  | 34         height: 180px; | 
|  | 35     } | 
|  | 36 | 
|  | 37     .flex-item { | 
|  | 38         width: 100px; | 
|  | 39         height: 180px; | 
|  | 40         display: flex; | 
|  | 41     } | 
|  | 42 | 
|  | 43     .sticky { | 
|  | 44         position: relative; | 
|  | 45         background-color: green; | 
|  | 46     } | 
|  | 47 | 
|  | 48 </style> | 
|  | 49 <script> | 
|  | 50     function doTest() | 
|  | 51     { | 
|  | 52         window.scrollTo(100, 0); | 
|  | 53     } | 
|  | 54     window.addEventListener('load', doTest, false); | 
|  | 55 </script> | 
|  | 56 </head> | 
|  | 57 <body> | 
|  | 58     <p>This test checks the behavior of position:sticky with flex box items. | 
|  | 59   There should be no red.</p> | 
|  | 60 | 
|  | 61     <div class="group" style="left: 100px"> | 
|  | 62         <div class="flex-container" style="left: 0px;"> | 
|  | 63             <div class="sticky flex-item" style="left:100px"></div> | 
|  | 64             <div class="flex-item" style="background-color: green;"></div> | 
|  | 65         </div> | 
|  | 66     </div> | 
|  | 67 | 
|  | 68     <div class="group" style="left: 150px"> | 
|  | 69         <div class="flex-container" style="left: 0px;"> | 
|  | 70             <div class="sticky flex-item" style="left:50px"></div> | 
|  | 71             <div class="flex-item" style="background-color: green;"></div> | 
|  | 72         </div> | 
|  | 73     </div> | 
|  | 74 | 
|  | 75     <div class="group" style="left: 200px"> | 
|  | 76         <div class="flex-container" style="left: 0px;"> | 
|  | 77             <div class="sticky flex-item"></div> | 
|  | 78             <div class="flex-item" style="background-color: green;"></div> | 
|  | 79         </div> | 
|  | 80     </div> | 
|  | 81 | 
|  | 82 </body> | 
|  | 83 </html> | 
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