Created by: ysds
We can now use our new grid system for responsive full width buttons.
This PR:
- Remove
btn-block
- Add examples of button layouts
Closes #30223 (closed) Related: #20617 (closed), #13647 (closed), #21720
https://deploy-preview-30376--twbs-bootstrap.netlify.com/docs/4.3/components/buttons/#layout