Browser Support for CSS Grid
- Chrome – full support as of March 8, 2017 (version 57)
- Firefox – full support as of March 6, 2017 (version 52)
- Safari – full support as of March 26, 2017 (version 10.1)
- Edge – full support as of October 16, 2017 (version 16)
- IE11 – no support for current spec; supports obsolete version
- IE10 – no support for current spec; supports obsolete version
Here’s the complete picture: http://caniuse.com/#search=grid (click on “Show all” for more details)