R Markdown - changing font size and font type in html output

Question

I am using R Markdown in RStudio and the knit HTML option to create HTML output. However, the font used in the ouput for plain text blocks is rather small and I would like t

Answer 1

These answers are overly complicated. You can change the main body font size (as well as any other CSS you might want to change) simply by embedding CSS directly into the Rmarkdown document using the html ```{r setup, include = FALSE} knitr::opts_chunk$set(echo = TRUE) ```