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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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