Combo Class

What is a Combo Class?

A Combo Class in Webflow is a secondary CSS class added on top of a base class to create a variation of an element's styling — without duplicating or modifying the original base class.

Here's the concept: imagine you have a button element styled with a class called "Button" (with padding, font size, border-radius defined). Now you need three button variants — primary, secondary, and destructive — each with a different color. Instead of creating three completely separate classes, you use Combo Classes.

How Combo Classes Work

You add the base class "Button" to all three buttons, then add a variant class to each (Button-Primary, Button-Secondary, Button-Destructive). The base class handles shared styling. The combo class handles only what's different.

Benefits of Combo Classes: keeps your style system DRY (Don't Repeat Yourself), makes global changes easy (update the base class, all variants inherit it), mirrors how professional CSS methodologies like BEM work, and scales efficiently across large, complex sites — forming the backbone of a proper design system in Webflow.

At Appsrow, we structure every project's class naming system thoughtfully from day one — using Combo Classes to keep the codebase clean and scalable.