Feel free to raise an issue or submit a pull request.
## CSS only
Bulma is a **CSS** framework. As such, the sole output is a single CSS file: [bulma.css](https://github.com/jgthms/bulma/blob/master/css/bulma.css)
You can either use that file, "out of the box", or download the Sass source files to customize the [variables](http://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](http://caniuse.com/#feat=flexbox), Bulma is compatible with: