Give your xaringan slides some style with xaringanthemer within your slides.Rmd file without (much) CSS.

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")

There’s a lot more that xaringanthemer can do! Discover xaringanthemer’s features.