1. jekyll-theme-minimal

   • Clean, simple, no sidebar.

2. jekyll-theme-cayman

   • Colorful header, ideal for personal projects or portfolios.

3. jekyll-theme-midnight

   • Dark theme, good for blogs or documentation.

4. jekyll-theme-merlot

   • Elegant serif typography, suited for writing-heavy sites.

5. jekyll-theme-leap-day

   • Classic design with a sidebar.

6. jekyll-theme-slate

   • Clean dark-on-light theme with sidebar.

7. jekyll-theme-time-machine

   • Blog-oriented theme with post history.

8. jekyll-theme-modernist

   • Minimalist theme with color blocks.

In _config.yml, set:

theme: jekyll-theme-cayman