Bootstrap 3.1.1 - What is the .map extension file used for?

Question

I need to upgrade an application I\'m working on with the latest Bootstrap version but I\'m struggling to figure out what an addition of bootstrap.css.map is fo

Answer 1

you can download it and then place it at the same directory of bootstrap.css file

https://github.com/twbs/bootstrap/blob/master/dist/css/bootstrap.css.map