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Re: CSS3-box: margin-outside and the cascade

From: Bert Bos <bert@w3.org>
Date: Sun, 8 Sep 2002 02:34:01 +0200
To: "www-style@w3.org" <www-style@w3.org>
Message-Id: <200209080234.01206.bert@w3.org>

On Saturday 07 September 2002 06:05, Coises wrote:

> How about adding two pseudo-classes, ":odd-page" and ":even-page"?
> I think this could be far more flexible than anything yet discussed.

Yes, it is flexible, but (as you pointed out), it also has some 
problems: certain properties ('display', 'position', 'float', 
'page-break-inside', 'page-break-before'...) cannot depend on the page.

Maybe we need neither new properties nor new selectors; a handful of 
values might do all we need in practice.

Looking at the books on my shelves, I see differences in page margins, 
page number positions and similar things, which all can be handled 
through @page:left/@page:right. I also see images floating left or 
right, depending on the page side, for which we can add 'float: 
outside' and 'float: inside'. That's basically it. I can imagine some 
playful layout that has headings aligned differently (although I don't 
remember having seen it in practice), which could be handled by adding 
'inside' and 'outside' to 'text-align'.

Where the layout is more complex than this, the two pages appear to have 
been designed as a single, 2-page spread. In theory, we have that 
capability already in CSS2, via named pages.

  Bert Bos                                ( W 3 C ) http://www.w3.org/
  http://www.w3.org/people/bos/                              W3C/INRIA
  bert@w3.org                             2004 Rt des Lucioles / BP 93
  +33 (0)4 92 38 76 92            06902 Sophia Antipolis Cedex, France
Received on Saturday, 7 September 2002 20:34:09 UTC

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