xaringanthemer 
Give your xaringan slides some
style with xaringanthemer within your slides.Rmd file without
(much) CSS.
Installation
You can install xaringanthemer from CRAN
install.packages("xaringanthemer")or you can install the development version of xaringanthemer from GitHub.
# install.packages("remotes")
remotes::install_github("gadenbuie/xaringanthemer")Features
There’s a lot more that xaringanthemer can do! Discover xaringanthemer’s features.