Your own CSS and code sections
Fine-tune the design with safe CSS and Liquid sections — never JavaScript.
In the theme editor open Code:
- CSS (Pro and above) — for colours and sizes, the whole shop, one page or one code section, in light, dark or both modes.
- Code sections (Enterprise) — your own blocks written in Liquid with HTML, filled with your shop’s data (products, collections, texts).
Everything is checked when you save: only safe CSS and an allow-list of HTML, no JavaScript, nothing that could reach checkout, payment, cookie or data pages. Each publish keeps a version you can bring back.
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