image - Jekyll accessing page variables from CSS -

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i'm trying set background-img in css.liquid file, , need yaml variables in page. how can that? have far: 

background-image: url({{ page.locales[page.default_locale][page.first_name] }});

i had this: 

background-image: url('{{ page.first_name }}{{ page.last_name }}.jpg');

only files yaml front matter section, , extensions .html, .markdown, .md, or .textile processed jekyll.

you hack working saving css file 1 of extensions, , including yaml front matter section. seems pretty clumsy way it, , it'll make ugly code, might work.


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