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Re: [csswg-drafts] [css-positioning] position: fixed within a stacking context

From: Valdrin Koshi via GitHub <sysbot+gh@w3.org>
Date: Tue, 16 Aug 2016 00:17:25 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-239967840-1471306643-sysbot+gh@w3.org>
My tests were done with `position: fixed` on `.container`.
I just tried with `position: sticky` and see cropping only on safari 

Aside: I'm working on an overlay custom element; it should be capable 
of rendering on top of the other content when opened (like `<dialog>, 
<select>`, or the tooltips rendering the `alt` attribute value). I 
rely on `position: fixed` to have it positioned in the viewport and 
`z-index` for rendering on top of the content. The above mentioned 
native elements (dialog, select) are stacking-context agnostic, in the
 sense that are not cropped, nor participate to the scrolling, and are
 always rendered on top of everything. I couldn't find a way to access
 to this **magic** through css yet, the only way is to ask the users 
of my element to declare it in a stacking-context-safe parent 😞 

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Received on Tuesday, 16 August 2016 00:17:38 UTC

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