Bulma

In plain words

Bulma is a free, open source CSS framework built on Flexbox and Sass that provides ready-to-use frontend components for building responsive web interfaces. It is designed for web developers who need to combine pre-built elements to create layouts quickly. The framework emphasizes simplicity and flexibility, allowing developers to customize components and create nested column structures for their projects.

written from the facts on this page · September 2026

From the sources

Bulma is a free, open source CSS framework based on Flexbox and built with Sass. It

Bulma is a free, open source framework that provides ready-to-use frontend components that you can easily combine to build responsive web interfaces. This interactive tool works better on larger screens! That's because Bulma columns are vertical by default . I recommend revisiting this page later when you're on desktop. 😉 While it's possible to add as many columns as you want, it is recommended to stick with 12 columns . If you want smaller divisions, you can always nestfrom bulma.io

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  A modern CSS framework based on Flexbox2016 · bulma.io · ▲5

  Bulma is a free, open source CSS framework based on Flexbox and built with Sass. It

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  MadeWithBulma2019 · ▲9

  Top websites made with Bulma CSS framework

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  Shuffle for Bulma2019 · shuffle.dev · ▲154

  First such advanced theme builder for Bulma CSS framework

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  Buefy2018 · buefy.github.io · ▲95

  Lightweight UI components for Vue.js based on Bulma

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  Tailwind CSS v2.02020 · tailwindcss.com · ▲385

  Rapidly build modern websites without ever leaving your HTML

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  Bulmaswatch2017 · jenil.github.io · ▲11

  Free themes for Bulma

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