标签： ruby-on-rails
gem "bootstrap-sass", '~> 3.3.6' gem 'sass-rails', '~> 5.0.6' gem "compass-rails", "~> 3.0.2" gem "bourbon"
#when I run gem list bourbon (5.0.0.beta.7, 5.0.0.beta.6, 4.3.4)
#when I run bundle show * bourbon (5.0.0.beta.7)
this is my web page error,but I have installed bourbon
