$ bundle exec rake assets:precompile
/Users/mbrictson/.rbenv/versions/1.9.3-p0/bin/ruby script/rake assets:precompile:all RAILS_ENV=production RAILS_GROUPS=assets
rake aborted!
Undefined variable: "$body-text-line-height".
  (in /Users/mbrictson/Work/devicescout/app/app/assets/stylesheets/basics/_grid.scss)

Tasks: TOP => assets:precompile:primary
(See full trace by running task with --trace)
rake aborted!
Command failed with status (1): [/Users/mbrictson/.rbenv/versions/1.9.3-p0/...]

Tasks: TOP => assets:precompile
(See full trace by running task with --trace)