A css theme for vallender lab pkgdown documentation.
If you are using pkgdown to document an R package, create a pkgdown directory in the root of the package and add the extra.css file to that directory.
dir.create('pkgdown')
# For Windows
download.file(url = "https://raw.githubusercontent.com/vallenderlab/vallender-pkgdown-theme/master/extra.css",
destfile = "pkgdown/extra.css",
method = "wininet")