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| 1 <!DOCTYPE html> |
| 2 <!-- |
| 3 Any copyright is dedicated to the Public Domain. |
| 4 http://creativecommons.org/publicdomain/zero/1.0/ |
| 5 --> |
| 6 <!-- This testcase checks that flex items are painted as pseudo-stacking |
| 7 contexts, instead of full stacking contexts. In other words, content |
| 8 inside of one flex item should be able to iterleave between pieces of |
| 9 content in another flex item, if we set appropriately interleaving |
| 10 "z-index" values. --> |
| 11 <!-- This was resolved by the CSSWG in April 2013: |
| 12 http://krijnhoetmer.nl/irc-logs/css/20130403#l-455 --> |
| 13 <html> |
| 14 <head> |
| 15 <title>CSS Test: Testing that flex items paint as pseudo-stacking contexts (li
ke inline-blocks), instead of full stacking contexts: 'z-index' should let desce
ndants interleave</title> |
| 16 <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> |
| 17 <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#painting"> |
| 18 <link rel="match" href="flexbox-items-as-stacking-contexts-003-ref.html"> |
| 19 <style> |
| 20 .flexContainer { |
| 21 background: orange; |
| 22 display: flex; |
| 23 justify-content: space-between; |
| 24 width: 70px; |
| 25 height: 20px; |
| 26 padding: 2px; |
| 27 margin-bottom: 2px; |
| 28 } |
| 29 .item1 { |
| 30 background: lightblue; |
| 31 width: 30px; |
| 32 min-width: 0; /* disable default min-width:auto behavior */ |
| 33 padding: 2px; |
| 34 } |
| 35 .item2 { |
| 36 background: yellow; |
| 37 width: 30px; |
| 38 padding: 2px; |
| 39 } |
| 40 .grandchildA { |
| 41 background: purple; |
| 42 width: 80px; |
| 43 height: 6px; |
| 44 position: relative; |
| 45 z-index: 10; |
| 46 } |
| 47 .grandchildB { |
| 48 background: teal; |
| 49 width: 80px; |
| 50 height: 6px; |
| 51 position: relative; |
| 52 z-index: 20; |
| 53 } |
| 54 .grandchildC { |
| 55 background: lime; |
| 56 width: 20px; |
| 57 height: 16px; |
| 58 position: relative; |
| 59 /* This z-index should interleave this content |
| 60 between grandchildA and grandchildB: */ |
| 61 z-index: 15; |
| 62 } |
| 63 </style> |
| 64 </head> |
| 65 <body> |
| 66 <!-- This flex container's first flex item has content that overflows |
| 67 and overlap the second flex item. The z-index values are set such |
| 68 that this content should interleave; grandchildC should |
| 69 paint on top of grandchildA, but underneath grandchildB. --> |
| 70 <div class="flexContainer" |
| 71 ><div class="item1" |
| 72 ><div class="grandchildA"></div><div class="grandchildB"></div></div><div
class="item2" |
| 73 ><div class="grandchildC"></div></div></div> |
| 74 </body> |
| 75 </html> |
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