How to make vertical scrollbar appear in RMarkdown code chunks (html view)

Question

I\'ve found many examples outlining how to add horizontal scrollbars to R Markdown HTML output, including this specific example here. However, none that describe how to add

Answer 1

Adding onto @Martin Schmelzer's solution, I noticed there can be issues if echo = TRUE, or if your output is not much large in other parts of the document. To fix this issue just change:

height: 50vh !important;

to

max-height: 50vh !important;