Bulma is a **modern CSS framework** based on [Flexbox](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Flexible_Box_Layout/Using_CSS_flexible_boxes).
<ahref="https://bulma.io"><imgsrc="https://raw.githubusercontent.com/jgthms/bulma/master/docs/images/bulma-banner.png"alt="Bulma: a Flexbox CSS framework"style="max-width:100%;"width="600"height="315"></a>
You can either use that file, "out of the box", or download the Sass source files to customize the [variables](https://bulma.io/documentation/overview/variables/).
There is **no** JavaScript included. People generally want to use their own JS implementation (and usually already have one). Bulma can be considered "environment agnostic": it's just the style layer on top of the logic.
Bulma uses [autoprefixer](https://github.com/postcss/autoprefixer) to make (most) Flexbox features compatible with earlier browser versions. According to [Can I use](https://caniuse.com/#feat=flexbox), Bulma is compatible with **recent** versions of:
| [bulma-swatch-hook](https://github.com/hipstersmoothie/bulma-swatch-hook) | Bulma swatches as a react hook and a component |
| [BulmaWP](https://github.com/tomhrtly/BulmaWP) | Starter WordPress theme for Bulma |
| [Ralma](https://github.com/aldi/ralma) | Stateless Ractive.js Components for Bulma |
| [Django Simple Bulma](https://github.com/python-discord/django-simple-bulma) | Lightweight integration of Bulma and Bulma-Extensions for your Django app |
| [rbx](https://dfee.github.io/rbx) | Comprehensive React UI Framework written in TypeScript |
| [Awesome Bulma Templates](https://github.com/aldi/awesome-bulma-templates) | Free real-world Templates built with Bulma |
| [Trunx](http://g14n.info/trunx) | Super Saiyan React components, son of awesome Bulma, implemented in TypeScript |
| [@aybolit/bulma](https://github.com/web-padawan/aybolit/tree/master/packages/bulma) | Web Components library inspired by Bulma and Bulma-extensions |
| [Drulma](https://www.drupal.org/project/drulma) | Drupal theme for Bulma. |
| [Bulrush](https://github.com/textbook/bulrush) | A Bulma-based Python Pelican blog theme |