Created by: risan
Fixes: https://github.com/twbs/bootstrap/issues/17953
V4 Docs - Updates to migration docs to pointed out the removal of .btn-default class and an addition of the new .btn-secondary class.
Created by: risan
Fixes: https://github.com/twbs/bootstrap/issues/17953
V4 Docs - Updates to migration docs to pointed out the removal of .btn-default class and an addition of the new .btn-secondary class.