Client-First is a naming convention and class structure created by Webflow for organizing CSS classes in a consistent, scalable way. It underlies many custom systems, including Yungle's own Lumos convention, and its purpose is to keep large Webflow projects maintainable as they grow.
Example
In Client-First a hero heading might use the classes heading-style-h1 and padding-section-large, so anyone who knows the convention can read the structure at a glance.
Related resources
Glossary
Class-naming Convention
A class-naming convention is the system used to organize and label CSS classes across a website consistently.
How to translate a brand identity into a website without losing it: design tokens, components, typography, motion and a CMS your marketing team can run.
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