If you’re building an app or a website that changes often, modular CSS methods solve many issues. Instead of copying your HTML structure in CSS and decorate it, you create consumable libraries of components. The latter makes projects more scalable and keeps the CSS codebase under control. CSS modularity relies on composition, which inevitably fattens the HTML. This collateral effect can be a significant rebuttal for many people because of the “bloat” it creates. In this article, we’ll...