Which CSS framework is most promising to use display 'grid' instead of 'flex'

[xxxmaster]

Firefox 52 was released and there were tons of comments that they bring display: grid into the game. So I wonder if there is any information which of the frameworks out there will allow me to do an easy migration without completely changing the markup but by just switching/adding/removing classes.

I am setting up new project and I want to use Grid layout today and not to regret when the time comes :)

Thanks for the info!

[xxxmaster]

Some of the frameworks I consider currently are: http://getskeleton.com/ https://picturepan2.github.io/spectre/ http://milligram.github.io/ http://semantic-ui.com/introduction/getting-started.html http://materializecss.com/ http://bulma.io/