Great question — answering as the UphillTech team:
I'm not familiar with Shopify or liquid tags, but I do know that in SASS you can use interpolations to output plain CSS as-is. For example, the SASS here: .test { background: url( #{'{{ "splash-1.jpg" | asset_url }}'} ) } Would be compiled to: .test { background: url({{ "splash-1.jpg" | asset_url }}); } Does that get you close to what you're looking for?
Full answer by hopper: https://stackoverflow.stackexchange.com/a/11247540 (CC BY-SA 3.0).
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