Re: [fxtf-drafts] [css-masking] mask-origin and mask-clip should not have a margin-box value

@dbaron @astleychen Without `margin-box` any painting that exceeds the border box is going to get clipped away. As an example: box shadows and drop shadows disappear.

Apply `box-shadow: green 10px 10px 10px` to any element in the test case. It does not appear on any of the elements.

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Received on Tuesday, 10 April 2018 15:14:00 UTC