• The theme: chirpy
• Official tutorial: setting up a github pages site with jekyll
• typography reference: text and typography

workflow

1. make changes
2. local test If the change is made in _config.ymal or it is the first-time building, run

bundle exec jekyll serve

then visit http://localhost:4000. Otherwise, just save the file and jekyll will complete auto-regeneration, then refresh the demo page to view the changes. 3. state and commit 4. push to remote