The keywords in this plugin should be limited to those that appear in a W3C document that has reached the level of Candidate Recommendation or higher. Check the "current work" page for more details.

The wd branch contains specs that are in Working Draft status. Switch to this branch for highlighting for things like "flow-relative" properties that haven't made it into Candidate Recommendation yet.

Copy css.vim file into your ~/.vim/syntax/ directory.

Plugin 'vim-language-dept/css-syntax.vim'

and run :PluginInstall in Vim.