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Re: [css-grid] Absolutely positioned grid items

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Mon, 24 Nov 2014 14:51:32 -0800
Message-ID: <CAAWBYDBTbJUGGVJaQoLbVE+_ys7C=8K5x426vRiD7nS9e6H=qg@mail.gmail.com>
To: Manuel Rego Casasnovas <rego@igalia.com>
Cc: www-style list <www-style@w3.org>
On Wed, Nov 19, 2014 at 6:03 AM, Manuel Rego Casasnovas <rego@igalia.com> wrote:
> On 12/11/14 23:07, Tab Atkins Jr. wrote:
>> No, we're just being sloppy with terminology in 8.4, and with the
>> "Applies to" lines in the propdef tables. ("Applies to" is just an
>> informative note, anyway.)
>> The grid-placement properties definitely apply to abspos elements
>> whose containing block is a grid container, even if they're not
>> children.  They alter the containing block to be the grid area
>> described by the properties (with the alteration, described in 8.4,
>> that an "auto" value *does* contribute a line, namely the
>> corresponding padding edge of the grid container).
>> I'll fix to make this clearer.
> Just an extra thing about this, probably the spec should include also
> fixed positioned elements (not only absolutely positioned).
> As in some cases (for example using "transform" property [1]) the grid
> could be the containing block of the fixed elements. I guess that the
> same behavior than absolutely positioned elements should be applied.

The term "absolutely positioned" applies to fixpos as well.  The only
difference between abspos and fixpos is the containing block.  If a
fixpos is switched to having an element as a containing block, it'll
already get caught by wording about "absolutely positioned" elements.

Received on Monday, 24 November 2014 22:52:20 UTC

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