Markdown allows you to write using an easy-to-read, easy-to-write plain text format, then convert it to structurally valid XHTML (or HTML). For example, you can include a plot of your results without showing the code used to generate it. Regarding appearance (different font types and colors), you can specify a theme:. This tutorial covers adding styles such as color font-weight and font-size to Markdown text content examples. See the man page for pandoc or the Pandoc webpage for more details. Markdown - Styles This tutorial covers adding styles such as color font-weight and font-size to Markdown text content examples. Changing font size and direction of axes text in ggplot2. You can copy the following lines and paste them on an R Markdown document, then click the knit button to see what will you get in the ouput document. It still seems to ignore whatever fontsize I put in the css-file. Reproducible Reports with RStudio Cloud, More R Markdown Tips, Tricks, and Shortcuts. Interactive documents are a new way to build Shiny apps. Create a new third-level header called Text Formatting and copy or type, the following: R Markdown makes it easy to link to websites and images. Say you want to center and resize an image. //