| <!DOCTYPE html> |
| <!-- |
| Any copyright is dedicated to the Public Domain. |
| http://creativecommons.org/publicdomain/zero/1.0/ |
| --> |
| <!-- This testcase checks that flex items are painted as pseudo-stacking |
| contexts, instead of full stacking contexts. In other words, content |
| inside of one flex item should be able to iterleave between pieces of |
| content in another flex item, if we set appropriately interleaving |
| "z-index" values. --> |
| <!-- This was resolved by the CSSWG in April 2013: |
| http://krijnhoetmer.nl/irc-logs/css/20130403#l-455 --> |
| <html> |
| <head> |
| <title>CSS Test: Testing that flex items paint as pseudo-stacking contexts (like inline-blocks), instead of full stacking contexts: 'z-index' should let descendants interleave</title> |
| <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> |
| <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#painting"> |
| <link rel="match" href="flexbox-items-as-stacking-contexts-003-ref.html"> |
| <style> |
| .flexContainer { |
| background: orange; |
| display: flex; |
| justify-content: space-between; |
| width: 70px; |
| height: 20px; |
| padding: 2px; |
| margin-bottom: 2px; |
| } |
| .item1 { |
| background: lightblue; |
| width: 30px; |
| min-width: 0; /* disable default min-width:auto behavior */ |
| padding: 2px; |
| } |
| .item2 { |
| background: yellow; |
| width: 30px; |
| padding: 2px; |
| } |
| .grandchildA { |
| background: purple; |
| width: 80px; |
| height: 6px; |
| position: relative; |
| z-index: 10; |
| } |
| .grandchildB { |
| background: teal; |
| width: 80px; |
| height: 6px; |
| position: relative; |
| z-index: 20; |
| } |
| .grandchildC { |
| background: lime; |
| width: 20px; |
| height: 16px; |
| position: relative; |
| /* This z-index should interleave this content |
| between grandchildA and grandchildB: */ |
| z-index: 15; |
| } |
| </style> |
| </head> |
| <body> |
| <!-- This flex container's first flex item has content that overflows |
| and overlap the second flex item. The z-index values are set such |
| that this content should interleave; grandchildC should |
| paint on top of grandchildA, but underneath grandchildB. --> |
| <div class="flexContainer" |
| ><div class="item1" |
| ><div class="grandchildA"></div |
| ><div class="grandchildB"></div |
| ></div |
| ><div class="item2" |
| ><div class="grandchildC"></div |
| ></div |
| ></div> |
| </body> |
| </html> |
