In this recipe, you will see how easy it is to install a copy of the official Bootstrap 4 docs. Running a local copy of the official Bootstrap documentation is a great way to experiment with the available Sass variables, as we will see later in this chapter.
Windows users, you need to have Ruby, Jekyll, and Bundler installed. If you already have them on your system, and providing that you have completed the previous recipe, there are just a few more things to do to run the Jekyll docs.
With your console pointing to chapter3/start/recipe3/bootstrap, run this command: gem install nokogiri -v 1.7.2. Next, run bundle exec jekyll build. This command will build your Jekyll site into ./_gh_pages.
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