Logging at level: debug Configuration file: /github/workspace/./_config.yml GitHub Pages: github-pages v228 GitHub Pages: jekyll v3.9.3 Theme: jekyll-theme-primer Theme source: /usr/local/bundle/gems/jekyll-theme-primer-0.6.0 Requiring: jekyll-github-metadata Requiring: jekyll-seo-tag Requiring: jekyll-coffeescript Requiring: jekyll-commonmark-ghpages Requiring: jekyll-gist Requiring: jekyll-github-metadata Requiring: jekyll-paginate Requiring: jekyll-relative-links Requiring: jekyll-optional-front-matter Requiring: jekyll-readme-index Requiring: jekyll-default-layout Requiring: jekyll-titles-from-headings GitHub Metadata: Initializing... Source: /github/workspace/. Destination: /github/workspace/./_site Incremental build: disabled. Enable with --incremental Generating... Generating: JekyllOptionalFrontMatter::Generator finished in 2.3954e-05 seconds. Generating: JekyllReadmeIndex::Generator finished in 3.4494e-05 seconds. Generating: Jekyll::Paginate::Pagination finished in 2.484e-06 seconds. Generating: JekyllRelativeLinks::Generator finished in 1.1822e-05 seconds. Generating: JekyllDefaultLayout::Generator finished in 4.0585e-05 seconds. Generating: JekyllTitlesFromHeadings::Generator finished in 7.895e-06 seconds. Rendering: index.html Pre-Render Hooks: index.html Rendering Markup: index.html Rendering Layout: index.html Layout source: site Rendering: main.scss Pre-Render Hooks: main.scss Rendering Markup: main.scss github-pages 228 | Error: (max-width: 768px) isn't a valid CSS value. on line 94