Unite outlineのinfo: ~/.vim/autoload/unite/sources/outline/defaults/scss.vim

scss.vim

" File:        autoload/unite/sources/outline/defaults/scss.vim
" Description: unite-outline info for Sassy CSS (CSS)
" Author:      Kyo Nagashima <kyo@hail2u.net>
" Version:     2011-02-15
" Licence:     Released into Public Domain: http://unlicense.org/

function! unite#sources#outline#defaults#scss#outline_info()
  return s:outline_info
endfunction

let s:outline_info = {
  \ 'heading': '{$\|^\s*@\W\|^\s*\$\w',
  \ 'skip': {
    \ 'header': '^@charset',
  \ },
\}