react 15.6.1
react-flexbox-grid": "^1.1.4"
and i am using create-react-app
I hosted my website on Heroku
in Heroku class names of row and col changing to "flexboxgrid__col-sm-12___1e5Uk flexboxgrid__col-md-6___5OSyJ" something like this, so CSS is not applying to the dom

Background:
I'm trying to swap the order of columns between breakpoints, using the method on the docs page under section "Normal flow with ordering (first / last) (can be based on MQ keys)"

Reproduce:
In that section, when you add a size to the column it is breaking the swapped order.

Just change <div class="col_md-first">...</div> to

`

Add support for the + icon in Chrome's URL bar to allow the docs to be installed as an offline PWA. Similar to how Gatsby's docs allow for this.

Will possibly also need icons made up?

Column documentation has some info from Extras that is duplicated. This info should be in one place and in depth - such as column centering, etc)

Code sections style match bootstrap docs for better readability.