Re: [fxtf-drafts] [motion] Use 'position: relative' instead of 'opacity: 0' for stacking context descriptions

We also need to mention a containing block. We could copy the wording 
used by perspective:

https://drafts.csswg.org/css-transforms/#perspective-property
"The use of this property with any value other than none establishes a
 stacking context. It also establishes a containing block (somewhat 
similar to position: relative), just like the transform property 
does."

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Received on Thursday, 1 December 2016 06:04:21 UTC