Bulma

Overview

Bulma is a modern, pure-CSS front-end framework based on Flexbox, offering a modular, responsive collection of UI components. It doesn't rely on JavaScript — layouts and UI styles can be built quickly using only CSS classes. Well-documented and easy to get started.

Core features & highlights

• Responsive grid and layout: A column system based on Flexbox that supports adaptive layouts across screen sizes.
• Rich components: Includes common components like navbar, cards, form controls, buttons, modals, dropdowns, etc.
• Modular and customizable: Uses Sass variables and mixins to import components on demand and reduce bundle size.
• Zero JS dependency: Only the CSS is required, making it easy to integrate with any front-end framework.

Use cases and target users

Suitable for rapid prototyping, small-to-medium projects, static sites, or as a styling layer alongside frameworks like Vue/React. Target users include front-end engineers, designers, product prototypers, and teams seeking a lightweight, customizable UI solution.

Key advantages

• Lightweight with semantic class names for readability and maintainability.
• Highly customizable—adjust theme colors, spacing, and other details via Sass.
• No JS conflicts; can coexist smoothly with existing scripts.
• Comprehensive official documentation and examples; quick to learn with an active community.