Created by: JensLuyten
Closes #29989 (closed)
Updated the docs pages by searching for the .rounded classes and replacing them by the new .border-radius classes.
See https://deploy-preview-30048--twbs-bootstrap.netlify.com/docs/4.3/utilities/borders/#border-radius https://deploy-preview-30048--twbs-bootstrap.netlify.com/docs/4.3/utilities/borders/#sizes