Le 17/01/2013 05:10, Tab Atkins Jr. a écrit : > When positioned in the top layer, the element > breaks out of any containing contexts, including pseudo-stackign > contexts like 'opacity'. This sounds like `position: fixed`. > (I'm unsure of whether this means they > *won't* be affected by an ancestor's opacity/filter/etc, or if it'll > be affected independently from the rest of the group they were > originally in. I suspect the former makes more sense and has better > use-cases, and can perhaps be defined precisely in terms of "effects > that create a pseudo-stacking context".) Now that you mention this, I wonder how fixedpos is supposed to work when an ancestor creates a stacking context because eg. of opacity. -- Simon SapinReceived on Thursday, 17 January 2013 07:44:42 UTC
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