CSS and cascading

CSS and cascading

[Rustom Mody]

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I am no CSS expert but as I understand the 'cascade' -- C in the CSS -- is
used so that one can compose a style piecemeal from simpler styles.  If I
use the suggestions of incorporating CSS given in the org manual in the CSS
support of HTML export (section 12.5.5) the new CSS replaces the old.

Is it not the CSS philosophy that it should rather add to the cascade?

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Re: CSS and cascading

[Sebastian Rose]

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Hi Rustom

It is the philosophy of CSS. Did you add all your stylesheets/styles to
the varible 'org-export-html-style'?


> I am no CSS expert but as I understand the 'cascade' -- C in the CSS -- 
> is used so that one can compose a style piecemeal from simpler styles.  
> If I use the suggestions of incorporating CSS given in the org manual in 
> the CSS support of HTML export (section 12.5.5) the new CSS replaces the 
> old.
>  
> Is it not the CSS philosophy that it should rather add to the cascade?



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Re: CSS and cascading

[Rustom Mody]

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Sebastian Rose wrote:

> Did you add all your stylesheets/styles to the varible
> 'org-export-html-style'?
>

How to add??
I find a fairly large string there most of which I want to leave as-is and
say add only a
body {border-left: 12px}
How do I do that?

What I was suggesting is that the default which is put into the
org-export-html-style variable
* should be moved to the html file
* the variable should be empty by default
* if the user specifies a new set of styles they should be cascaded
before/after this default (Not sure if the CSS spec says 'before' overrides
or 'after']

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Re: CSS and cascading

[Carsten Dominik]

On Jun 26, 2008, at 9:45 AM, Rustom Mody wrote:

> I am no CSS expert but as I understand the 'cascade' -- C in the CSS  
> -- is used so that one can compose a style piecemeal from simpler  
> styles.  If I use the suggestions of incorporating CSS given in the  
> org manual in the CSS support of HTML export (section 12.5.5) the  
> new CSS replaces the old.

I think this is a reasonable expectation.  While it is good that the  
user can replace the entire style info or point to a css file, I agree  
that there should also be a possibility to add to the default style  
specifications.

I have just implemented a new variable `org-export-html-style-extra'  
that can be used for this purpose.  The text in the new variable will  
be spliced into the style, just before the </style> tag.  Note that if  
you use the org-export-html-style variable to refer to a .css style  
*file*, org-export-html-style-extra will be ignored.

- Carsten