W3C home > Mailing lists > Public > www-style@w3.org > June 2012

Re: [css-variables] Variables in @page

From: Markus Ernst <derernst@gmx.ch>
Date: Sat, 02 Jun 2012 11:33:10 +0200
Message-ID: <4FC9DDD6.5010805@gmx.ch>
To: Sebastian Zartner <sebastianzartner@gmx.de>
CC: Simon Sapin <simon.sapin@kozea.fr>, jackalmage@gmail.com, www-style@w3.org, florianr@opera.com, sylvaing@microsoft.com, shans@google.com, fremycompany_pub@yahoo.fr, Florian Rivoal <florianr@opera.com>
Am 01.06.2012 13:59 schrieb Sebastian Zartner:
>>> As I understand the current model and pointed out earlier the current
>>> concept is limited to the element tree. People won't be able to put
>>> something into a variable that is not inside of it, i.e. @-rules
>>> defining font faces, counter styles, page styles etc. Please let me
>>> know if I am wrong in this point.
>> I think that @page could contain variables.
>> Many @-rules like @font-face or @counter-style contain *descriptors*.
>> Descriptors have the same "name: value;" syntax as properties, but
>> that’s it. They can not have !important and are not part of the cascade.
> That's the point. People might want to have variables available everywhere, not just in the cascade.

Having CSS variables available in the @media HTML attribute could solve 
an issue about responsive images. Whatever their final 
<picture>/<pic>/<img> syntax will be, Matthew Wilcox stated that it is a 
problem to have MQs in the HTML code for images, as this mixes design 
questions (defining breakpoints) into HTML content.

Florian Rivoal stated that CSS variables in their current form cannot be 
used in the @media attribute:

So this would be a use case for allowing CSS variables that are 
available outside the cascade?
Received on Saturday, 2 June 2012 09:33:47 UTC

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