copy css.vim file into your ~/.vim/syntax/ directory;

add the following line to your ~/.vimrc file;

Plugin 'JulesWang/css.vim'

and run :PluginInstall in vim.

• 2013-11-27: Fix @page syntax based on the w3c standard.
• 2013-08-28: Add support for pseudo-class functions.
• 2013-07-30: Highlight Props and Attrs with different colors.
• 2013-07-22: Fix @media(issue #6),@import,@charset,@namespace,@page,@keyframe syntaxs.
• 2013-01-13: Add support for installation using vundle.
• 2011-10-15: Add 130 more color names.
• 2011-09-13: Test and add some missing items.
• 2011-09-11: 80% css3 support.

• ChrisYip, amadeus https://github.com/amadeus/Better-CSS-Syntax-for-Vim
• hail2u https://github.com/hail2u/vim-css3-syntax
• leptrue https://github.com/lepture/vim-css